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Publication numberCN102983893 B
Publication typeGrant
Application numberCN 201210402659
Publication date28 Oct 2015
Filing date18 Aug 1998
Priority date18 Aug 1998
Also published asCN102983893A
Publication number201210402659.0, CN 102983893 B, CN 102983893B, CN 201210402659, CN-B-102983893, CN102983893 B, CN102983893B, CN201210402659, CN201210402659.0
Inventors布莱恩.G.阿格伊
Applicant直视集团公司
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
多层载波离散多音通信系统和方法 Discrete multi-tone multi-carrier communication system and method translated from Chinese
CN 102983893 B
Abstract  translated from Chinese
本发明涉及多层载波离散多音通信系统和方法。 The present invention relates to a discrete multi-tone multi-carrier communication systems and methods. 多址联接通信系统包括:多个无线电发射机,用于发射多个射频载波;多个无线电接收机,用于接收多个射频载波的至少一个子集;连接到多个无线电发射机的扩展器,采用第一数字扩展增益和第一数据独立且冗余地调制多个射频载波的幅值和相位;连接到多个无线电接收机的解扩展器,采用第一数字扩展增益独立地解调所述多个射频载波的幅值和相位,以恢复第一数据;以及连接着无线电发射机、无线电接收机、扩展器和解扩展器的多址联接装置,该多址联接装置被配置为利用空分多址联接SDMA协议、频分多址联接FDMA协议和码分多址联接CDMA协议中的至少一种来提供独立的通信信道。 Multiple access communication system comprising: a plurality of radio transmitters, for transmitting a plurality of radio frequency carrier; a plurality of radio receivers for receiving a plurality of radio frequency carrier at least one subset; is connected to a plurality of radio transmitters expander using a first digital gain and the first data expansion and redundancy independently modulating a plurality of radio frequency carrier amplitude and phase; despreader connected to a plurality of radio receivers, using a first digital gain independently demodulating extended said plurality of amplitude and phase of the RF carrier to recover the first data; and a connection with a radio transmitter, a radio receiver, reconciliation Expander Expander multiple access means that multiple access device is configured to use ASU SDMA multiple access protocols, frequency division multiple access and code division multiple access CDMA FDMA protocol agreement to provide at least one independent communication channels.
Claims(15)  translated from Chinese
1. 一种多址联接通信系统,包括: 多个无线电发射机,用于发射多个射频载波; 多个无线电接收机,用于接收所述多个射频载波的至少一个子集; 连接到所述多个无线电发射机的扩展器,采用第一自适应扩展增益和第一数据独立且冗余地调制所述多个射频载波的幅值和相位; 连接到所述多个无线电接收机的解扩展器,采用第一自适应解扩展增益独立地解调所述多个射频载波的幅值和相位,以恢复第一编码数据,其中所述自适应解扩展增益能够关于接收机独立地确定;以及连接着无线电发射机、无线电接收机、扩展器和解扩展器的多址联接装置,该多址联接装置被配置为利用空分多址联接SDM协议、频分多址联接FDM协议和码分多址联接CDM 协议中的至少一种来提供独立的通信信道。 A multiple access communication system, comprising: a plurality of radio transmitters, for transmitting a plurality of radio frequency carrier; a plurality of radio receivers for receiving said plurality of radio frequency carrier at least one subset; connected to the said plurality of radio transmitters expander, using a first adaptive gain and the first data expansion and redundancy independently of the plurality of modulated RF carrier amplitude and phase; connected to said plurality of radio receivers Solutions expander, using a first adaptive despreading gain of the plurality of independently demodulating the amplitude and phase of the RF carrier to recover the first encoded data, wherein said adaptive despreading gain can be determined independently on a receiver; and a connection with a radio transmitter, a radio receiver, reconciliation Expander Expander multiple access means that multiple access device is configured to use space division multiple access SDM protocol, frequency division multiple access protocol and a code division multiple FDM access with at least one CDM agreement to provide independent communication channels.
2. 按照权利要求1所述的系统,还包括连接到所述多个无线电发射机和无线电接收机的天线阵列,其中,所述SDM协议在各对发射机和接收机之间按照其相对空间位置实现选择性的数据信道发送和接收。 2. The system according to claim 1, further comprising a plurality of connected to the radio transmitter and radio receiver antenna array, wherein, the SDM protocol in accordance with their relative spaces between each pair of transmitter and receiver Location achieve selective data channel transmission and reception.
3. 按照权利要求1所述的系统,其特征在于: 所述FDM协议使用所述多个射频载波中的最小数量的子集,通过匹配射频载波的这些子集,在各对发射机和接收机之间传送附加的数据信道。 3. The system of claim 1, wherein: said plurality of radio frequency FDM protocol uses the minimum number of carriers in the subset by matching the RF carrier of these subsets, each pair of transmitter and receiver additional data transmission channel between machines.
4. 按照权利要求1所述的系统,还包括第二数字扩展增益和第二数据,其中所述CDM 协议通过匹配数字扩展增益的子集,在各对发射机和接收机之间实现第一和第二数据的通{目。 4. The system of claim 1, further comprising a second digital extension gain and second data, wherein the CDM protocol by matching the gain of the digital extension subset between each pair of transmitters and receivers to achieve first and second data through {head.
5. 按照权利要求2所述的系统,其特征在于:所述天线阵列包括空间上成组分布的正整数"n"个独立的天线,用来提供正整数"n"个空间分布的通信信道。 5. A system according to claim 2, characterized in that: said antenna array comprises a positive integer spatially distributed into groups of "n" separate antennas, for providing a positive integer "n" communications channel spatial distribution .
6. 按照权利要求5所述的系统,还包括具有连接到所述天线阵列中对应的天线上的独立放大器的一个射频放大器组,其中每个放大器都具有可调的增益,用于实现波束的受控调整,并且使射频信号传输对所述空间分布的通信信道无效。 6. A system according to claim 5, further comprising an RF amplifier connected to said group having a corresponding antenna array of independent antenna amplifier, wherein each amplifier having an adjustable gain, for implementing beam controlled adjustment, and the radio frequency signal transmission to the spatial distribution of the communication channel is invalid.
7. 按照权利要求6所述的系统,还包括: 连接到所述射频放大器组的离散多音多层载波扩展频谱发射调制器,用于提供频率分散的多个通信信道;并且所述扩展器具有连接到该发射调制器上的多个输出,以同时在所述空间分布的通信信道上扩展数据。 7. A system according to claim 6, further comprising: a radio frequency amplifier connected to the group of discrete multi-tone multi-carrier spread spectrum transmit modulator, for providing a frequency dispersion of a plurality of communication channels; and the expander having a plurality of outputs connected to the transmitter modulator, the data communication channel to simultaneously extended in the spatial distribution.
8. 按照权利要求7所述的系统,还包括连接到所述射频放大器组的调整装置,用来选择所述空间分布的通信信道当中的一个。 8. A system according to claim 7, further comprising adjusting means connected to said RF amplifier group, for selecting a communication channel among the spatial distribution of one.
9. 按照权利要求8所述的系统,其中,所述天线阵列的各个独立天线进一步采用极化分布。 9. A system according to claim 8, wherein the individual antennas of the antenna array further using polarization distribution.
10. 按照权利要求8所述的系统,还包括: 连接到所述射频放大器组上的离散多音多层载波扩展频谱解调器,用于提供频率分散的通信信道;并且所述解扩展器具有连接到该解调器的各个输入和一数据输出,以对所有上述频率分散的通信信道上的数据解扩展。 10. The system of claim 8, further comprising: a connection to a discrete multi-tone multi-carrier spread spectrum demodulators on the RF amplifier group, for providing a communication channel frequency dispersion; and said despreader have connected to the respective input of the demodulator and a data output, the data for all of the frequency dispersion of the communication channel despreading.
11. 一种通过执行以下操作来恢复用多个多层载波信号各自特有的扩展增益扩展并调制到所述多个多层载波信号的每一个上、跨无线介质发送且在接收机处作为多个接收的多层载波信号接收的数字通信信号的方法: (1) 对所述多个接收的多层载波信号中的每个进行下变频,以识别所述多个接收的多层载波信号中的每个的信号,其中所述多个接收的多层载波信号每一个都具有能够与所述多个接收的多层载波信号中的其它多层载波信号的信道带宽相分离的信道带宽; (2) 通过应用与应用于所述多个接收的多层载波信号的扩展增益不同的解扩展加权, 对所述多个接收的多层载波信号执行解扩展; (3) 将经过加权的多个接收的多层载波信号相加而获得与所发送的数字通信信号对应的较强的通信信号,其中干扰被抑制,并且在使信号对噪声和干扰之比最大化的同时出现在所述多个接收的多层载波信号中的时间畸变或频率畸变中的至少一个被消除。 A specific extensions to restore their gain expansion with a plurality of multilayer carrier signals and modulated by performing the following operations to each of the plurality of the multi-carrier signal, and transmitted across the wireless medium at the receiver as a multi- multi-carrier signal reception method of receiving a digital communication signal: (1) the multi-carrier signal for each of the plurality of received down-converted, to identify the plurality of received multi-carrier signal Each of the signal, wherein the plurality of multi-carrier signals received by each having a multi-carrier signal with said plurality of received other multi-carrier signal separation channel bandwidth channel bandwidth; ( 2) by applying and spreading gain applied to the plurality of multi-carrier signals received by different despreading weights, multi-carrier signal for execution of the plurality of received despread; (3) the plurality of weighted multi-carrier signal obtained by adding the received digital communication signal transmitted communication signal corresponding to a stronger, wherein the interference is suppressed, and at the same time so that the signal to noise and interference ratio is maximized appear in the plurality of multi-carrier signal received in the time or frequency distortion aberration at least one is eliminated.
12. 按照权利要求11所述的方法,其特征在于:所述解扩展的步骤摸索式地解扩展所述多个接收的多层载波信号。 12. A method according to claim 11 or claim, characterized in that: the step of despreading said exploration multilayer style to despread a received carrier signal of the plurality.
13. 按照权利要求12所述的方法,其特征在于:所述摸索式地解扩展的步骤采用一种占优模式的广义本征方程。 13. A method according to claim 12 or claim, characterized in that: the exploration style to despreading steps to adopt a dominant pattern of generalized eigen equation.
14. 按照权利要求13所述的方法,其特征在于:所述广义本征方程是一种代码选通自相干恢复本征方程。 14. A method according to claim 13 or claim, characterized in that: the generalized eigen equation is a code-gating from coherent recovery Eigenequation.
15. 按照权利要求14所述的方法,其特征在于:在所述摸索式解扩展过程中按照一个预测的平均值缩减所述广义本征方程的最大本征值,并且用一个预测的标准偏差来定标。 15. A method according to claim 14 or claim, characterized in that: fumble type despreading process according to the average forecast of a reduction in the generalized Eigenequation intrinsic value at the maximum, and with a predicted standard deviation to scaling.
Description  translated from Chinese

多层载波罔散多音通信系统和方法 Indiscriminately scattered multi-tone multi-carrier communication system and method

[0001] 本申请是申请号为98814242. 2、申请日为1998年8月18日、发明名称为"多层载波离散多音通信技术"的专利申请的分案申请(申请号为200510125082. 3)的分案申请(申请号为201010109116. 0)的分案申请。 [0001] The present application is Application No. 98814242.2, filed on August 18, 1998, titled "discrete multi-tone multi-carrier communication technology" patent applications divisional application (Application No. 200510125082.3 ) The divisional application (Application No. 201010109116.0) of the divisional application.

技术领域 TECHNICAL FIELD

[0002] 本发明一般涉及到无线电通信,尤其是涉及到在伴随有动态环境变化的困难和敌对环境中的多址联接通信技术。 [0002] The present invention generally relates to radio communications, particularly in relation to changes in a dynamic environment is accompanied by difficult and hostile environment of multiple access communication technology.

背景技术 Background technique

[0003] 在1940年代的二次世界大战期间发展起来的通信技术包括用来支持高频(HF) 带业务的"频率分集通信"或"多层载波通信"。 [0003] developed during World War II in 1940 to support high-frequency communication technologies, including (HF) band business "frequency diversity communication" or "multi-carrier communication." J.Proakis在DigitalCommunications, McGraw-Hill,1989, 7. 4-7. 7段中提出了频率分集通信技术。 J.Proakis in DigitalCommunications, McGraw-Hill, 1989, 7. 4-7. 7 paragraph proposed frequency diversity communication technology. Proakis是基于在大大衰减的信道例如是深度衰落的信道中接收时会产生误差而提出分集技术的。 Proakis is based on significantly attenuated channel, for example, will generate an error when the depth of the channel fading propose diversity reception technology. 通过彼此独立衰落的信道为接收机提供原始信号的若干副本有可能连续通信,除非是在所有重复信道都同时发生衰落的不太可能的情况下。 Provided the original signal by another independent fading channel is a receiver several copies likely continuous communication, unless it is both occur simultaneously in all the duplicate channel fading unlikely circumstances. 可以排除这种概率。 This probability can be ruled out.

[0004] 频率分集是许多分集方案当中的一种。 [0004] The frequency diversity is a lot of diversity among programs. 由名义上被各个独立信道的相干带宽隔开的若干个载波信道执行同样的调制。 Do the same modulation nominally separated by the coherence bandwidth of each channel of a plurality of independent carrier channel. 按照时间分集,在不同的时隙中发送相同的信息。 In accordance with the time diversity, sending the same information in different time slots. 在一种分集方案中可以采用多单元天线。 A diversity scheme in a multi-element antenna can be. 可以用若干接收天线接收从单个发射天线发送的信号。 You may receive signals transmitted from a single antenna transmitted by a plurality of receiving antennas. 为了获得最佳效果,接收天线被分开足够远,以改变一组当中不同的多径干扰。 For best results, the receiving antenna are separated far enough to change a group among different multipath interference. 往往需要名义上独立的十个波长来观测独立的信号衰落。 Often they require ten nominally independent wavelengths to observe independent fading.

[0005] 在一种更加成熟的分集方案中采用的信号带宽可以远远大于信道的相干带宽。 [0005] In a more sophisticated diversity scheme can be used in the signal bandwidth is much greater than the coherence bandwidth of the channel. 这种信号的带宽W能够分解多径分量并且为接收机提供若干个独立衰落的信号路径。 Width W of this signal can be decomposed multipath component and the receiver provides several independent fading signal path.

[0006] 其他现有技术的分集方案包括入射角或是空间分集和极化分集。 [0006] Other prior art diversity programs include the angle of incidence or spatial diversity and polarization diversity.

[0007] 当带宽W远远大于用户可以利用的各个独立信道的相干带宽时,可以将信道进一步细分成许多频分复用子信道,每个独立信道的相干带宽都具有至少一个相互分离的中心频率。 [0007] When the bandwidth W is much greater than the user can take advantage of each individual channel coherence bandwidth, the channel can be further subdivided into a number of sub-channel frequency-division multiplexing, coherence bandwidth of each individual channel has at least one separated from each other the center frequency. 这样就能通过频分复用的子信道发送相同的信号,按照频率分集工作。 This will send the same signal by the frequency division multiplexed subchannels, according to the frequency diversity work. 采用覆盖带宽W的宽带二进制信号也可以获得同样的结果。 W-bandwidth broadband coverage using binary signals can also get the same results.

[0008] GKKaleh在IEEETransactionsonCommunications,Spet. 1994•上发表的一篇文章"Frequency-DiversitySpread-SpectrumCommunicationSystemtoCounter Band-limitedGaussianInterference,"中描述了这种技术。 [0008] GKKaleh in IEEETransactionsonCommunications, Spet. 1994 • published an article on "Frequency-DiversitySpread-SpectrumCommunicationSystemtoCounter Band-limitedGaussianInterference," described this technology. 这篇文章概括地描述了一种能够蓄意为敌的信号环境中工作的可靠的装置。 This article summarizes the description of a reliable device capable of working in a deliberate hostile signal environments.

[0009] J.Proakis在"SpreadSpectrumSignalsforDigitalCommunication,''supra 的第八章中描述了一种频率分集扩展频谱和多址联接的概念。详细描述了一种与跳频扩展频谱相结合的分集传输方式,用来防止多径衰落和局部频带干扰。 [0009] J.Proakis describes a spread spectrum and frequency diversity multiple access concept "SpreadSpectrumSignalsforDigitalCommunication, '' supra Chapter VIII of the detailed description of the diversity transmission mode with a frequency hopping spread spectrum combining to prevent multipath fading and interference of local bands.

[0010] 早在1959年就有人提出了适合多元天线阵列的反向天线阵,用来在发送和接收期间提供相同的空间增益模式。 [0010] As early as 1959 it was suggested the reverse for multi-element antenna array antenna array is used during transmission and reception gain mode offers the same space. 有关这种技术的论述可参见R.Monzingo,T.Miller, IntroductiontoAdaptiveArrays,WileyIntersciencePublications,1980 ;L.Van Atta的1959 年的美国专利2,908,002"ElectromagneticReflection" ;和B.Glance, P.Henrydl983 年5 月10 日的美国专利US4,383,332"HighCapacityMobileRadio System"。 Discussion concerning this technique can be found in R.Monzingo, T.Miller, IntroductiontoAdaptiveArrays, WileyIntersciencePublications, 1980; L.Van Atta's 1959 U.S. Patent 2,908,002 "ElectromagneticReflection"; and B.Glance, P.Henrydl983 on May 10 U.S. Patent No. US4,383,332 "HighCapacityMobileRadio System". TDD系统为实现反向天线阵列提供了一种有效的手段,能够减少技术和发送路径之间的信道变化。 TDD system to achieve the reverse antenna array provides an effective means to reduce the channel changes in technology and the transmission paths.

发明内容 SUMMARY OF THE INVENTION

[0011] 本发明的一个目的是提供一种无线电通信系统,用于通过信道畸变截然不同的大范围分散的频带传播数据,象直接序列扩展频谱所需的那样,在干涉频率之间实际上没有发散信号。 [0011] An object of the present invention is to provide a radio communication system for channel distortion by a wide range of different bands dispersed dissemination of data, such as direct sequence spread spectrum, as required, in fact, there is no interference between the frequency divergence signals.

[0012] 本发明的另一个目的是提供一种在强窄带干扰条件下通信的无线电通信系统,例如是普通的蜂窝信号波形,在接收机的解扩展器处关闭受影响的频道。 [0012] Another object of the present invention is to provide a radio communication system that under strong narrowband interference conditions, such as an ordinary cellular signal waveform, turn off affected in despreader of the receiver channel.

[0013] 本发明的另一个目的是提供一种具有简单均衡的线性信道多径畸变的无线电通信系统。 [0013] Another object of the present invention is to provide a simple linear channel equalization of multipath distortion of radio communication systems.

[0014] 本发明的另一个目的是提供一种无线电通信系统,它能够与离散多音和正交频分复用式信道技术兼容。 [0014] Another object of the present invention is to provide a radio communication system which is capable of Discrete Multi-tone orthogonal frequency division multiplexing technology compatible with the type channel. 为了频率信道化和反信道化,还能够与时间分组多音和正交频分复用式调制/解调技术兼容。 In order of frequency channels and de-channelization, but also more time packet voice and Orthogonal Frequency Division Multiplexing type modulation / demodulation technology compatible.

[0015] 本发明的另一个目的是提供一种能够与时分双工系统兼容的无线电通信系统,其中的多层载波扩展频谱调制格式是分组的,例如,如果多层载波扩展频谱信号是用离散多音和/或基于频率信道化和反信道化的正交频分复用产生的。 [0015] Another object of the present invention is to provide a system that is compatible with the time division duplex radio communication system, wherein the multi-carrier spread spectrum modulation format is grouped, for example, if multi-carrier spread spectrum signal is discrete Multi-tone and / or frequency-based channel and de-channelization orthogonal frequency division multiplexing produced.

[0016] 本发明的另一个目的是提供一种具有频分多址联接式多址联接能力的无线电通信系统。 [0016] Another object of the present invention is to provide a frequency division multiple access multiple access type radio communication system having capability.

[0017] 本发明的另一个目的是提供一种采取多层载波多址联接布局的具有码分多址联接式多址联接能力的无线电通信系统。 [0017] Another object of the present invention is to provide a code division multiple access radio communication system having a multi-access multi-carrier coupled capability of taking multiple access arrangement.

[0018] 本发明的另一个目的是提供一种能够与高阶数字调制兼容的无线电通信系统。 [0018] Another object of the present invention is to provide a higher order digital modulation is compatible with a radio communication system.

[0019] 本发明的另一个目的是提供一种用于灵活请求式带宽数据速率连接的无线电通信系统。 [0019] Another object of the present invention is to provide a radio communication system is flexible and on-demand bandwidth data rate for the connection.

[0020] 本发明的另一个目的是提供一种在代码零位应用中具有空分多址联接式多址联接,干扰排除和信道均衡能力的无线电通信系统。 [0020] Another object of the present invention is to provide a spatial division multiple access multiple access type in the code zero applications, interference elimination and channel radio communication system balancing capabilities.

[0021] 本发明的另一个目的是提供一种配合自适应天线阵列使用的无线电通信系统,采用空间延伸的扩展码利用每个空间信道或是天线束上独立的合成增益来扩展数据,从而控制信道带宽阵列扩散。 [0021] Another object of the present invention is to provide a radio communication system with adaptive antenna arrays used, the spreading code using independent spatial extending synthesized gain on each spatial channel or the antenna beam to expand the data, thereby controlling channel bandwidth arrays spread.

[0022] 本发明的另一个目的是提供一种能够与高级阵列适配技术兼容的无线电通信系统,例如是无盲点定向导航,盲点定向数据和其他技术,它利用了基带数据,信道结构或多层载波扩展格式的基本特性的优点。 [0022] Another object of the present invention is to provide an array of advanced adaptation techniques compatible radio communications systems, for example, no blind spots directional navigation, blind spot directional data and other technology, which uses a base band data, channel structure or extend the basic characteristics of the carrier layer format advantages.

[0023] 本发明的另一个目的是提供一种能够与反向通信技术兼容的无线电通信系统。 [0023] Another object of the present invention is to provide a reverse communication technology is compatible with a radio communication system.

[0024] 本发明的另一个目的是提供一种能够与常规的码分多址联接,数据触发系统反向兼容的无线电通信系统。 [0024] Another object of the invention is to provide a connection with the conventional code division multiple access, data trigger system backward-compatible radio communication system.

[0025] 简而言之,本发明的实施例包括一种"多层载波"扩展频谱通信系统,其中的扩展是在频域中通过将时域形式的基带信号与一组重叠或是多层的复合正弦载波波形相乘而完成的。 [0025] Briefly, an embodiment of the present invention comprises a "multi-carrier" spread spectrum communication system, wherein the extension is in the frequency domain to the time domain representation by a baseband signal and a set of overlapping or multi- composite sinusoidal carrier waveform multiplying completed. 实际的扩展是通过直接激励一个大型快速Fourier(FFT)变换库(bins)来完成的。 The actual extension is by direct excitation of a large fast Fourier (FFT) conversion library (bins) to complete. 这样就能明显降低计算的复杂性,缓和对输出FFT容量的要求。 This will significantly reduce the computational complexity, ease of FFT output capacity requirements. 可以用一个0=9的Kaiser-Bessel窗口来填满单音之间的空间,不让这些单音与相邻的单音发生单音之间的干扰。 Kaiser-Bessel window can be a 0 = 9 to fill the space between the tone, not the interference between these tones and tones of adjacent tones occur. 特别是高值的0会在相邻的单音之间产生干扰,而相隔更远的单音之间的干扰很小。 Especially high value 0 generated interference between adjacent tones, and the farther apart the interference between the tones is small. 这种基本技术可以结合时分双工,码分多址联接,空分多址联接,频分多址联接,自适应天线阵列和干扰消除技术。 This basic technique can be combined with time division duplex code division multiple access, space division multiple access, frequency division multiple access, adaptive antenna arrays and interference cancellation techniques.

[0026] 根据本发明的一个方面,提供了一种多址联接通信系统,包括:多个无线电发射机,用于发射多个射频载波;多个无线电接收机,用于接收多个射频载波的至少一个子集; 连接到多个无线电发射机的扩展器,采用第一数字扩展增益和第一数据独立且冗余地调制多个射频载波的幅值和相位;连接到多个无线电接收机的解扩展器,采用第一数字扩展增益独立地解调多个射频载波的幅值和相位,以恢复第一数据;以及连接着无线电发射机、无线电接收机、扩展器和解扩展器的多址联接装置,该多址联接装置被配置为利用空分多址联接SDMA协议、频分多址联接FDMA协议和码分多址联接CDMA协议中的至少一种来提供独立的通信信道。 [0026] In accordance with one aspect of the present invention, there is provided a multiple access communication system, comprising: a plurality of radio transmitters, for transmitting a plurality of radio frequency carrier; a plurality of radio receivers, for receiving a plurality of RF carriers at least one subset; is connected to a plurality of radio transmitters expander, using a first digital gain and the first data expansion and redundancy independently modulating a plurality of radio frequency carrier amplitude and phase; connected to a plurality of radio receivers despreader, using the first digital extension gain independently demodulate amplitude and phase multiple RF carriers in order to recover the first data; and a connection with a radio transmitter, a radio receiver, reconciliation Expander Expander multiple access It means that multiple access device is configured to use space division multiple access SDMA protocol, frequency division multiple access and code division multiple access CDMA FDMA protocol agreement to provide at least one independent communication channels.

[0027] 根据本方面的另一方面,提供了一种在多址联接通信系统中的方法,该方法包括通过执行以下操作来恢复用多个多层载波信号各自特有的扩展增益扩展并调制到多个多层载波信号的每一个上的数字通信信号:(1)将每个接收的多层载波信号信道化,以识别基带信号,其中接收的多层载波信号每一个都具有能够与多个接收的多层载波信号中的其它多层载波信号的信道带宽相分离的信道带宽;(2)通过应用与应用于每个接收的基带信号的扩展增益不同的解扩展加权,对多个接收的多层载波信号执行解扩展;(3)将接收的基带信号加以组合而获得对干扰进行补偿并且使信噪比最大化的基带信号;以及(4)消除出现在基带信号中的时间畸变或频率畸变,以恢复数字通信信号。 [0027] According to another aspect of the present aspect, there is provided a method in a multiple access communication system, the method comprising performing the following actions to recover a plurality of multi-carrier signals each specific extensions to gain expansion and modulation each of the plurality of digital communication signals on the multi-carrier signals: (1) each received multi-carrier signal channelization, to identify a baseband signal, wherein the received multi-carrier signals each having a plurality of capable channel bandwidth multi-carrier signal received by the other multi-carrier signal separation channel bandwidth; (2) through the application and expansion of the gain baseband signal applied to each of the received despread different weights for a plurality of received multi-carrier signal despread; (3) the baseband signal received are combined to obtain compensation for interference and maximize signal to noise ratio of the baseband signal; and (4) eliminate appear in the baseband signal in time or frequency distortion distortion, to recover the digital communication signal.

[0028] 本发明的一个优点是提供了一种无线电通信方法,在用于频谱分集的广泛分散的频带上扩展数据。 [0028] An advantage of the present invention is to provide a radio communication method, data on the extended frequency band used for spectral diversity widely dispersed. 这样就能提供一种能够吸取频率分集优点的有效方式,特别是在频带广泛分散的应用中。 This would provide an effective way to learn the advantages of frequency diversity, especially in the band widely dispersed applications.

[0029] 本发明的一个优点是提供了一种无线电通信方法,即使是在强烈的窄带干扰下也能通信。 [0029] An advantage of the present invention is to provide a radio communication method, even in strong narrowband interference can communicate. 这样就能在出现强烈的窄带频分多址联接(FDMA)和象蜂窝覆盖应用中那样的时分多址联接(TDMA)蜂窝无线电信号时维持一种多层载波扩展频谱(SCSS)链路。 This would in the event of a strong narrowband frequency division multiple access (FDMA) and applications such as cellular coverage as time division multiple access maintain a multi-carrier spread spectrum (SCSS) link when (TDMA) cellular radio signals. 还可以在由于来自带外信号的谐波而出现伪造干扰时维持通信链路。 It can also maintain a communication link from the harmonic band signals due to the emergence of counterfeit interference.

[0030] 本发明的一个优点是提供了一种无线电通信方法,它能够直接均衡线性信道畸变,并且能够使稳态或是准稳态线性信道畸变接近于发射扩展码上的乘法作用。 [0030] An advantage of the present invention is to provide a radio communication method, it can be directly balanced linear channel distortion, and enables the steady-state or quasi-steady state is close to launching a linear channel distortion multiplication effect on the spreading code. 还可以进一步将信道均衡操作溶入解扩展或扩展操作,除了消除分组内Doppler扩展之外不需要额外的滤波操作。 It can be further integrated into the channel equalization operation despreading or extended operations, in addition to the elimination of Doppler extend beyond the inner packet No additional filtering operation. 其基本原理是配合着基带,预扩展,电文信号的带宽来均衡多径传播。 The basic principle is combined with the baseband, pre-expansion, the bandwidth of the message signal to a balanced multipath propagation. 如果电文信号的带宽很窄,这种多径均衡操作会极为简单。 If the bandwidth of the message signal is very narrow, this multipath equalization operation is extremely simple. 如果预扩展电文信号的带宽足够窄, 例如预扩展电文信号的相关带宽或是反向带宽是传输信道中的最大多径延迟的大乘积,这种均衡操作就能减少到能够自动溶入自适应解扩展操作的综合乘法操作。 If the pre-expanded message signal bandwidth is narrow enough, such as pre-expansion related to the bandwidth of the message signal bandwidth is the big product or reverse maximum multi-path delay of the transmission channel, which can be reduced to the equalization operation can be automatically integrated into the adaptive despreading operation of the integrated multiplication operation. 它与常规的CDMA 系统的差异在于后者需要额外的均衡操作,除非扩展信号的相关宽度是传输信道中的最大多径延迟的大乘积。 It is different from a conventional CDMA systems is that the latter requires additional equalization operation, unless the spread signal related to the width of the product is large transmission channel maximum multi-path delay.

[0031] 本发明的另一个优点是提供了一种无线电通信方法,它能够兼容离散多音和正交频分复用式频道复用技术。 [0031] Another advantage of the present invention is to provide a radio communication method, it can be compatible with a discrete multi-tone orthogonal frequency division multiplexing type channel multiplexing. 这样就能用发射扩展码上的乘法效果精确地模拟稳态和线性信道畸变。 This will accurately simulate steady and linear channel distortion by multiplying effect on the emission of spreading codes.

[0032] 本发明的一个优点是提供了一种能够兼容时分双工系统的无线电通信方法。 One advantage of the [0032] present invention there is provided a time division duplex system can be compatible with a radio communication method. 例如,如果多层载波扩展频谱信号是用离散多音和/或正交频分复用式频道复用器和反向频道复用器产生的,就能采用时分双工通信格式将多层载波扩展频谱调制格式编组。 For example, if the multi-carrier spread spectrum signal is a discrete multi-tone and / or Orthogonal Frequency Division Multiplexed multiplexer channels and reverse channels generated by the multiplexer, we can employ time division duplex communication format multilayer carrier spread spectrum modulation format grouping. 在通信链路的任何一端都能对发射信道进行"本地"评估,大大简化了信道预加重,发射信道均衡拓扑逻辑和反向传输技术的实施。 It can transmit channel at either end of the communication link "local" assessment, greatly simplifying the channel pre-emphasis, the implementation of emission channel equalization topology logic and reverse transmission technology.

[0033] 本发明的一个优点是提供了一种具有码分多址联接式多址联接功能的无线电通信方法,例如是多层载波多址联接技术。 [0033] An advantage of the present invention to provide a radio communication method having a code division multiple access type multiple access functions, such as a multilayer carrier multiple access technique. 点-对-多点通信链路采用扩展增益的线性内部相关(正交或非正交)集在频道的相同子集上发射信号,以便由解扩展器分离这些信号。 Point - to - multipoint communications links using extended linear gain internal correlation (orthogonal or non-orthogonal) set transmit signals on the same subset of the channels, in order to separate these signals by a despreader. 因为扩展码可以是非正交的,在结合着空码技术使用时,本发明的首要优点是能够使用非正交扩展码。 Because the non-orthogonal spreading codes can, in combination with an empty code technology used, the primary advantage of the present invention is the ability to use non-orthogonal spreading codes.

[0034] 本发明的一个优点是提供了一种能够兼容"按需带宽"灵活数据速率技术的无线电通信方法。 [0034] An advantage of the present invention is to provide a radio communication method compatible "bandwidth on demand" flexible data rate technology. 通过多个时间,频率,或多层载波信道向单个用户发送原始数据,在给定链路上的数据速率可以小幅地增、减。 , Frequency, or multi-carrier channel transmitted by a plurality of time the original data to a single user on a given link data rate may be a slight increase, decrease. 如果用多个多层载波信道来提高数据速率,就能在不增加带宽的情况下调节数据速率。 If you use more than one multi-carrier channels to increase the data rate without increasing the bandwidth will be able to adjust the data rate case.

[0035] 本发明的一个优点是提供了一种能够兼容高级数字调制的无线电通信方法。 One advantage of the [0035] present invention is to provide a compatible advanced digital radio communication modulation method. 它能够兼容任意的MalT数字基带调制格式,并且能够通过在每个频道上传输更多的位/符号而提高容量。 It is compatible with any MalT digital baseband modulation formats and able to transmit more bits / symbol on each channel and increase capacity. 通过改变每个原始数据中每个符号的位数还可以在多元通信网络中提高重新利用率和"负载平衡"。 It can also improve the re-utilization and "load balancing" in pluralistic communication network by changing each of the original data bits per symbol.

[0036] 本发明的一个优点是提供了一种具有空分多址联接,干扰消除及信道均衡能力的无线电通信方法,例如是空码技术。 [0036] An advantage of the present invention is to provide a space division multiple access, interference cancellation and channel equalization radio communication method having the ability, for example, empty code technology. 这种空分多址联接式空码技术是理想或是接近理想的线性干扰消除和信号提取技术,这对于根据频率分集或频谱分集的信号在解扩展器上分离多层载波扩展频谱信号是有用的。 This space division multiple access technology is ideal formula empty yard or close to the ideal linear interference cancellation and signal extraction technology, which for the multi-carrier spread spectrum signal separation on a despreader according to frequency diversity or diversity signal spectrum is useful to of. 这样就能消除多层载波扩展频谱信号的信元内部的干扰,并且能消除信元外部的干扰,例如是提高重新利用能力。 This will eliminate the spread spectrum multi-carrier signal interference inside the cell, and can eliminate the external interference cell, for example, improve the ability to re-use. 这样就能更加有效地使用在各种扩展格式中普遍采用的空码。 So that it can more effectively be used in a variety of expansion space code formats commonly used. 特别是能够为用于符号调制直接序列扩展频谱格式的空码技术提供一种二倍容量的改进,其中的扩展增益在每一个电文符号的基础上重复一次。 In particular, to provide twice the capacity of a blank code technology to improve the direct sequence spread spectrum modulation symbols for format, wherein the spread gain on the basis of each symbol of the message is repeated once.

[0037] 本发明的一个优点是提供了一种能够配合自适应天线阵列使用的无线电通信方法。 [0037] An advantage of the present invention is to provide an adaptive antenna array capable of use with a radio communication method.

[0038] 本发明的一个优点是提供了一种能够兼容前置阵列自适应技术的无线电通信方法,用来按照空间分集,频谱分集,极化分集以及空间/频谱/极化分集的组合来分离信号。 [0038] An advantage of the present invention is to provide an array of adaptive technology is compatible with the pre-radio communication method used to separate in accordance with spatial diversity, spectrum diversity, polarization diversity and spatial / spectral / polarization diversity combination signal.

[0039] 本发明的一个优点是提供了一种能够兼容反向通信技术的无线电通信方法。 [0039] An advantage of the present invention is to provide a reverse communication technology compatible radio communication method. 能够把反向通信技术直接扩展到包括单一天线或天线阵列的多层载波扩展频谱系统。 Able to reverse communication technologies extend directly to the multi-carrier spread spectrum system includes a single antenna or antenna array. 并且能够将最复杂的操作集中在点-对-多点通信链路中的基站上,大大降低了整个系统的成本。 And can be the most complicated operations concentrated at the point - to - multipoint communications links on the base, which greatly reduces the cost of the entire system.

[0040] 本发明进一步的优点是提供了一种能够向后兼容常规的码分多址联接数据激活技术的无线电通信方法。 A further advantage of the invention is to provide a [0040] This kind of backward compatibility with conventional radio communication method of code division multiple access data activation technology.

[0041] 本领域的技术人员在参照附图阅读了对最佳实施例的具体说明之后就能充分地理解本发明的上述及其他目的和优点。 After the [0041] One skilled in the art with reference to the accompanying drawings specific description of the preferred embodiments can be fully understood that the above and other objects and advantages of the present invention.

附图说明 Brief Description

[0042] 在附图中 [0042] In the drawings

[0043]图1是本发明实施例的一种通信系统的方框图,图中有若干个远程移动单元分布在一或多个中央基站的空间内; [0043] FIG. 1 is a block diagram of a communication system according to an embodiment of the present invention, the figure there are a number of remote mobile units distributed within the space of one or more of the central base station;

[0044]图2A表示本发明一个实施例的方框图,图中有一个多层载波扩展频谱发射机组被连接到一个天线阵列上作为点-对点发射机,另一个天线阵列被连接到用于点_对-点接收机的一个多层载波扩展频谱接收机组5 ; [0044] Figure 2A shows a block diagram of an embodiment of the present invention, the figure has a spread spectrum on a multi-carrier transmit antenna array is connected to the unit as a point - to-point transmitter, the other antenna array is connected to a point _ for - a multi-carrier spread spectrum receiver receiving point unit (5);

[0045]图2B表示本发明另一实施例的方框图,图中有一个多层载波多址联接发射机组被连接到一个天线阵列上作为网络发射机,另一个天线阵列被连接到用于网络接收机的一个多层载波多址联接接收机组; [0045] Figure 2B shows a block diagram of another embodiment of the present invention, there is a multi-carrier FIG multiple access transmitter unit is connected to a transmitter antenna array as a network, the other antenna array is connected to a network to receive machine of a multi-carrier multiple access receiving unit;

[0046] 图3A表示本发明另一个实施例的方框图,图中有一个多层载波扩展频谱发射机被连接到一个时分双工器上作为点-对点发射机,另一个时分双工器被连接到用于点-对-点接收机的多层载波扩展频谱接收机; [0046] Figure 3A shows a block diagram of another embodiment of the present invention, there is a figure of a multi-carrier time division duplex unit spread spectrum transmitter is connected to a point - to-point transmitter, and the other is a time division duplexer connected to a point - to - point multi-carrier receiver in a spread spectrum receiver;

[0047]图3B表示本发明另一个实施例的方框图,图中有一个多层载波多址联接发射机被连接到一个时分双工器上作为网络发射机,另一个时分双工器被连接到用于网络接收机的多层载波多址联接接收机; [0047] Figure 3B shows a block diagram of another embodiment of the present invention, there is a multi-carrier FIG multiple access transmitter is connected to a time division duplex as a network transmitter, the other is connected to the time division duplex multi-carrier multiple access receiver for network connection receiver;

[0048]图4A表示本发明另一个实施例的方框图,图中有一个多层载波扩展频谱发射机被连接到一个空码器(codenuller)上作为点-对点发射机,另一个空码器被连接到用于点-对-点接收机的多层载波扩展频谱接收机; [0048] Figure 4A shows a block diagram of another embodiment of the present invention, the figure has a multi-carrier spread spectrum transmitter is connected to an empty transcoder (codenuller) as a point - to point transmitter, another empty transcoder It is connected to a point - to - point multi-carrier receiver in a spread spectrum receiver;

[0049]图4B表示本发明另一个实施例的方框图,图中有一个多层载波多址联接发射机被连接到一个空码器上作为网络发射机,另一个空码器被连接到用于网络接收机的多层载波多址联接接收机; [0049] FIG 4B shows a block diagram of another embodiment of the present invention, there is a multi-carrier FIG multiple access transmitter is connected to a null code as a network transmitter, the other space is connected to a decoder multi-carrier multiple access network receiver coupling receiver;

[0050] 图5A表示本发明另一个实施例的方框图,图中有一个多层载波扩展频谱发射机被连接到一个广泛分散的频道复用器(frequencychannelizer)上作为点-对点发射机, 另一个广泛分散的频道复用器被连接到用于点-对-点接收机的多层载波扩展频谱接收机; [0050] Figure 5A shows a block diagram of another embodiment of the present invention, the figure has a multi-carrier spread spectrum transmitter is connected to a wide dispersion of the channel multiplexer (frequencychannelizer) as a point - to point transmitter, other a widely dispersed channel multiplexer is connected to a point - to - multi-carrier receiver in a spread spectrum receiver point;

[0051]图5B表示本发明另一个实施例的方框图,图中有一个多层载波多址联接发射机被连接到一个广泛分散的频道复用器上作为网络发射机,另一个广泛分散的频道复用器被连接到用于网络接收机的多层载波多址联接接收机; [0051] FIG 5B shows a block diagram of another embodiment of the present invention, the figure has a widely dispersed carrier of a multi-channel multiplexer multiple access transmitter is connected to a network transmitter, another broad dispersion of channels the multiplexer is connected to the multi-carrier multiple access receiver coupled to the receiver for the network;

[0052] 图6A表示本发明另一个实施例的方框图,图中有一个多层载波扩展频谱发射机组被连接到一个同步时分双工器组,后者又在用于点-对-点收发信机系统的多层载波扩展频谱发射机组的控制下通过一个反适配器连接到一个天线阵列和一个多层载波扩展频谱接收机组; [0052] FIG. 6A shows a block diagram of another embodiment of the present invention, the figure has a multi-carrier spread spectrum transmitter unit is connected to a synchronous time division duplex group, which in turn is used for point - to - check and accept letters multi-carrier spectrum emission system expansion under the control unit is connected to an antenna array through an anti-adapter and a multi-carrier spread spectrum receiving unit;

[0053]图6B表示本发明另一个实施例的方框图,图中有一个多层载波多址联接发射机组被连接到一个同步时分双工器组,后者又在用于网络系统的多层载波多址联接发射机组的控制下通过一个反适配器连接到一个天线阵列和一个多层载波多址联接接收机组; [0053] FIG 6B shows a block diagram of another embodiment of the present invention, there is a multi-carrier FIG multiple access transmitter unit is connected to a synchronous time division duplexer group, which in turn is used in the multi-carrier network system Under the control of multiple access transmitter unit is connected via an adapter to an anti-antenna array and a multi-carrier multiple access receiving unit;

[0054] 图7A是一种类似于图2A,3A,4A,5A和6A中所包括的那种多层载波扩展频谱发射机的功能性框图; [0054] FIG. 7A is a similar to FIG. 2A, 3A, 4A, 5A and 6A that the multilayer carriers included in the expanded functional block diagram of a transmitter of the spectrum;

[0055] 图7B是一种类似于图2A,3A,4A,5A和6A中所包括的那种多层载波扩展频谱接收机的功能性框图; [0055] Figure 7B is a similar to FIG. 2A, 3A, 4A, 5A and 6A of the kind comprising a multilayer expanded functional block diagram of a carrier spectrum receiver;

[0056] 图8是图1所示系统中包括的基站的一个框图,并且表示了这样一种可能性,天线阵列能够在空间上鉴别通信系统中的成员。 [0056] FIG. 8 is a block diagram of the system illustrated in Figure 1 comprises a base station, and indicates such a possibility, the antenna array can identify members of a communication system in space. 所表示的各个功能性发射机和接收机线路包括许多信道,能够支持基本的多层载波扩展频谱通信媒介; Each functional transmitter and receiver lines represented include many channels, capable of supporting multi-carrier spread spectrum basic communication medium;

[0057] 图9是图1所示系统中包括的一个典型的远程单元框图,并且表示了能够支持基本的多层载波扩展频谱通信媒介的自适应信道均衡和预加重功能; [0057] FIG. 9 is a block diagram of a typical remote unit included in the system shown in Figure 1, and expressed support basic multi-carrier spread spectrum communication medium of adaptive channel equalization and pre-emphasis;

[0058]图10是一个多元T/R模块的框图,它包括各自具有一个天线的多个独立的T/R模块。 [0058] FIG. 10 is a block diagram of a pluralistic T / R module, which includes each having a plurality of individual T / R module a antenna. 可以随着天线数量而增、减系统的组成规模。 It can increase with the number of antennas to form a size reduction system. 空间处理发生在接收过程中的模-数转换(ADC)处理之后和发送过程中的数-模转换(DAC)操作之前。 After digital conversion (ADC) process and transmit process number - - spatial processing occurs during reception of analog-analog converter (DAC) before the operation. 所有的空间以及频谱扩展操作都是对数字的数据执行的。 All spatial and spectral spreading operations are performed on the digital data. 系统中的所有关键频率和参考时钟都是从一个公共时钟例如是GPS时钟获得的。 All key system frequency and the reference clock are from a common clock, for example, the GPS clock obtained. 在图中表示了一种模块校准的机制,它对于TDD系统中的精确反向是必要的。 Shows a module calibrated mechanism in the figure, it is necessary for the TDD system precisely reversed.

[0059] 图11是一种多层载波扩展频谱调制器的框图,在被一个独立的定标器复用的Kspread个独立扩展单元当中复制基带数据,由定标器提供给一种时分复用器组合成一个复合数据矢量; [0059] FIG. 11 is a block diagram of the spread spectrum modulator a multilayer carrier, copy baseband data in Kspread independent extension unit is a separate scaler reuse them, provided by the scaler to a time division multiplexing combiner into a composite data vector;

[0060] 图12是一个全数字完全自适应方式的多层载波扩展频谱解扩展器的框图。 [0060] FIG. 12 is a block diagram of a spectrum despreader extend a full digital multi-carrier fully adaptive way. 这种解扩展器包括若干个信道,用来处理多层载波扩展频谱载波媒介中的各个单音; Such despreader comprises a plurality of channels, to handle multi-carrier spread spectrum carrier medium of each tone;

[0061] 图13表示了一例BPSK多音,它的数据长度为6,扩展系数Kspread是4,而各组之间的间隔是2。 [0061] FIG. 13 shows an example of BPSK multi-tone, its data length is 6, the expansion coefficient Kspread is 4, and the spacing between the groups is 2. 每一组单元gl-g4被表示成具有独立的幅值,可以通过信道均衡和预加重来控制,以便对抗干扰和其它问题; Each group of cells gl-g4 is represented as having a magnitude independent, it can be controlled by channel equalization and pre-emphasis, in order to jamming and other issues;

[0062] 图14表示用来恢复从一个天线阵列接收的信号x(t)的一个"SCORE"处理器。 [0062] FIG. 14 shows to restore a received signal from an antenna array x (t) of "SCORE" processors. 这一处理器的控制包括控制滤波器h(t),频移值a和共辄控制(* ); Control of the processor includes a control filter h (t), a frequency shift value and total control Noir (*);

[0063] 图15是一个数据流程图,表示一种在两个单元子集当中选通的代码选通SCORE解扩展操作流程; [0063] FIG. 15 is a data flow diagram, it shows a two cell subsets were gated gated SCORE code despreading operation process;

[0064] 图16是一个数据流程图,表示一种在两个单元子集当中选通的代码选通SCORE扩展操作流程,它和图15是对称的; [0064] FIG. 16 is a data flow diagram showing a strobe gating SCORE code spreading operation flow in the two units among subsets, and 15 which are symmetrical;

[0065]图17是用于本发明实施例的时分双工通信系统的一种时间-频率格式; [0065] FIG. 17 is a time division duplex communication system according to an embodiment of the present invention - frequency format;

[0066]图18是一种基本DMT调制解调器的有效单首格式; [0066] FIG. 18 is effective single first format a basic DMT modem;

[0067]图19是用来说明发射机/接收机校准方法的一个数据流程图; [0067] FIG. 19 is used to describe a data transmitter / receiver calibration process flow diagram;

[0068] 图20是一种集成的单一天线T/R和离散多音(DMT)调制解调器的示意图,可用来实现本发明实施例的一种DMT式多层载波多址联接(SCMA)系统; [0068] FIG. 20 is a schematic diagram of an integrated single antenna T / R and discrete multi-tone (DMT) modems can be used to implement the embodiments of the present invention provides a multilayer DMT carrier multiple access (SCMA) systems;

[0069] 图21笼统地表示了本发明实施例的一种单线代码选通交叉-SCORE扩展器; [0069] FIG. 21 generally shows a single line of code embodiment of the present invention gating cross -SCORE extender;

[0070] 图22是一个数据流程图,用来表示具有Kspread个单元子集的单线代码选通交叉-SCORE解扩展操作; [0070] FIG. 22 is a data flow diagram that represents a subset of cells having Kspread single line of code gating cross -SCORE despreading operation;

[0071] 图23是一个数据流程图,用来表示具有Nframe个分组/适配帧的一种单线交叉-SCORE算法; [0071] FIG. 23 is a data flow diagram that represents a single line having Nframe packet / frame cross -SCORE adaptation algorithm;

[0072] 图24是一个数据流程图,用来表示一种单一适配帧自相关统计运算; [0072] FIG. 24 is a data flow diagram that represents an autocorrelation of a single frame of a statistical operation adapted;

[0073] 图25是一个数据流程图,用来表示具有Kspread个单元子集的一种交叉-SCORE 本征函数; [0073] FIG. 25 is a data flow diagram that represents a subset of cells having Kspread a cross -SCORE intrinsic function;

[0074] 图26是一个数据流程图,用来表示具有Kpart〈Kspread个单元子集的一种代码键发生器; [0074] FIG. 26 is a data flow diagram that represents having Kpart <Kspread units subset A code key generator;

[0075] 图27是一个数据流程图,用来表示具有Kpart〈Kspread个单元子集的一种等效的代码键发生器; [0075] FIG. 27 is a data flow diagram that represents the equivalent of having a code key generator Kpart <Kspread units subset;

[0076] 图28是一个数据流程图,用来表示具有Kpart个子集的一种交叉-SCORE本征函数; [0076] FIG. 28 is a data flow diagram that represents a subset of having Kpart cross -SCORE intrinsic function;

[0077] 图29是一个数据流程图,用来表示具有两个单元子集的一种交叉-SCORE本征函数; [0077] FIG. 29 is a data flow diagram that represents a subset of the two units has a cross -SCORE intrinsic function;

[0078] 图30是一个数据流程图,用来表示本发明实施例的一种多线代码选通交叉-SCORE扩展器; [0078] FIG. 30 is a data flow diagram that represents a multi-line code to embodiments of the present invention gating cross -SCORE extender;

[0079] 图31是一个数据流程图,用来表示在本发明的一个实施例中采用频率选通和两个单元子集的一种单线代码选通自动-SCORE扩展操作; [0079] FIG. 31 is a data flow diagram, used to denote a single line of code frequency strobe and two units subsets in one embodiment of the present invention, the strobe automatic -SCORE extended operation;

[0080] 图32是一个数据流程图,用来表示采用频率选通和两个单元子集的一种单线代码选通自动-SCORE解扩展操作; [0080] FIG. 32 is a data flow diagram, used to denote the frequency of the strobe and two units of one single line of code subsets gated automatic -SCORE despreading operation;

[0081] 图33是一个数据流程图,用来表示采用频率选通和两个单元子集的一种自动-SCORE本征函数; [0081] FIG. 33 is a data flow diagram, used to denote an automatic -SCORE intrinsic function of frequency strobe and two units subsets;

[0082] 图34是一个数据流程图,用来表示采用时间选通和半速率冗余选通的一种单线代码选通自动-SCORE扩展; [0082] FIG. 34 is a data flow diagram that represents a single line of code using time-gated and half-rate redundancy strobe strobe automatic -SCORE expansion;

[0083] 图35是一个数据流程图,用来表示采用时间选通和半速率冗余选通的一种单线代码选通自动-SCORE解扩展。 [0083] FIG. 35 is a data flow diagram that represents a single line of code using time-gated and half-rate redundancy strobe strobe automatic -SCORE despreading.

具体实施方式 DETAILED DESCRIPTION

[0084] 图1中用总的标号10表不本发明实施例的一种通信系统,系统10包括一个具有多个远端单元12-17双向无线电通信的基站11。 [0084] Figure 1 generally by reference numeral 10 in Table A communication system is not an embodiment of the present invention, the system 10 includes a plurality of remote station units 12-17 with 11 two-way radio communication. 如图1所示,基站11周围的远端单元12-17 的位置代表三维空间中的各种不同位置,还可以假设所有或是一或多个远端处在各个时间点上。 The various positions shown in Figure 1, the base station 11 of the remote unit around the 12-17 position represents a three-dimensional space, but also it can be assumed that all or one or more remote at various time points. 基站11有一个多元天线18。 The base station 11 has a multi-element antenna 18. 每个远端12-17有一的对应的天线19-24,这其中有些也是多元天线,例如21,23和24。 12-17 each remote antenna has a corresponding one of 19-24, some of which is multi-element antenna, such as 21, 23 and 24. 天线18-24代表的各种形式有连接到一个收发信机的单一物理天线,隔离的发送和接收天线,以及各自代表差分空间信号灵敏度的天线阵列。 Representative of the various forms of antennas 18-24 are connected to a single physical antenna transceiver, the isolation of the transmitting and receiving antennas, and each represents a differential signal sensitivity space antenna array. 另外,有些或是所有天线18-24都可以采用极化分集。 In addition, some or all of the antennas 18-24 can use polarization diversity. 也就是说,有些天线18-24可以是正测向极化(例如天线20),有些则可以是负测向极化(例如天线22)。 In other words, some antennas 18-24 may be a positive measure towards polarization (such as an antenna 20), while others may be negative finding polarization (such as an antenna 22). "正/负"极化测向可以采取"水平/垂直"线性极化,"顺时针/逆时针"圆形极化,"倾斜45/135"极化等等。 "Positive / negative" polarization measurements can be taken to "horizontal / vertical" linear polarization, "CW / CCW" circular polarization "tilt 45/135" polarized and so on. 实际噪声从四面八方侵入系统10,干扰源往往是由来自特定方向的信号所决定的。 Actual noise from all directions invade the system 10, the source of interference is often determined by the signal from a particular direction of. 基站11和远端单元12-17之间的多径信号代表着一种可能造成信道衰落和其它问题的干扰。 The base station and the remote unit 11 12-17 between multipath signals represents a possible cause fading channel interference and other problems.

[0085] 系统10还可以包括由装备有多元天线26的第二基站25来体现的多点-对-多点和点-对-点的网络拓扑逻辑。 [0085] The system 10 may further comprises a second base station equipped with a multi-element antenna 26 of 25 to reflect the multi-point - to - multipoint and point - to - point network topology logic. 多点-对-多点网络是图1所示系统的一种升级,可以在相邻的呼叫接口需要控制的单元系统中使用。 Multi-point - to - multipoint network is an upgrade of the system shown in Figure 1, can be used in an adjacent unit system call interface requires controlled. 网络中的每个基站或远端收发信机都可以具有任意不同数量的天线元和扩展系数,例如可以扩展到不同数量的频率单元。 Each base station in the network or remote transceiver can have an arbitrary number of antenna elements and different expansion coefficients, e.g., it can be extended to a number of different frequency cells. 空间定位的干扰可能会来自其它多层载波网络和网络内部的单元以及来自其它干扰源,例如是干扰台或者被覆盖的网络的FDMA信号。 Interference spatial orientation may be from other multi-carrier networks and network elements as well as from other internal sources of interference, such as interference FDMA signal station or network covered. 实际噪声可能从四面八方平衡或不平衡地侵入系统,在这里"平衡"的意思是各向同性噪声。 Actual noise may be balanced or unbalanced invasion from all directions system, where "balance" means isotropic noise.

[0086]系统10的无线电通信基本原理是本文所述的"多层载波扩展频谱"(SCSS),由基站11和各个远端单元12-17同时相互发送本质上具有频率分集的离散的多个单音(DMT)。 The basic principles of radio communication [0086] system 10 is described herein "multilayer carrier spread spectrum" (SCSS), by the base station 11 and the remote units 12-17 simultaneously transmit respective mutually essentially having a plurality of discrete frequency diversity tone (DMT). 在来自一个单元11-17的每一组离散多音传输信号上对一个基带数据符号进行扩展频谱调制。 In each group from a discrete multi-tone signal transmission unit 11-17 on a baseband data symbols spread spectrum modulation. 指定的接收机甚至可以通过深度衰落或是受到强烈干扰的离散单音上的个别信道载波信息实现精确的数据恢复。 Individual channel carrier information specified receiver can even deep fading or interference by the strong discrete tones on accurate data recovery.

[0087] 还可以进一步用各种方式来体现本发明,例如图2A-6B中所示的各种组合实施例。 [0087] may further be embodied in various ways to the invention, for example, various combinations shown in Figure 2A-6B embodiment. 图2A-6B中采用的各个要素会进一步参照图7-16来描述。 Figure 2A-6B employed in the various elements will be further described with reference to Figure 7-16. 各个阵列中的天线可以采取任意的空间位置,这种阵列不需要有特殊的天线几何形状就能有效地工作。 Each array antenna can take an arbitrary spatial position, this does not require a special antenna array geometries can work effectively. 另外,这种天线在极化和空间上都可以移动。 In addition, this antenna can be moved in the polarization and space.

[0088] 图2A表示由连接到一个多元天线阵列(AA)34上的多层载波扩展频谱(SCSS)发射机组32构成的一个点-对-点发射机30。 [0088] FIG. 2A shows a point unit 32 constituted by a connection to a multi-antenna array (AA) multi-carrier spread spectrum (SCSS) 34 on the launch - to - point transmitter 30. 点-对-点接收机36包括连接到多层载波扩展频谱(SCSS)接收机组40上的一个多元天线阵列(AA) 38。 Point - to - point connected to the receiver 36 includes a multi-carrier spread spectrum (SCSS) receiving unit a multi-antenna array (AA) 38 on 40. 每个天线阵列包括用来发送和接收数据的多个空间上隔离的天线。 Each antenna array comprises a plurality of isolated spaces for transmitting and receiving data antenna. 在图2A或是采用多层载波扩展和解扩展的图2B,6A 或6B中没有加进例如是自适应线性组合和/或通过多个空间上分离的天线来传输的自适应天线阵列处理。 In FIG. 2A or using 2B, 6A or 6B adaptive antenna array processing, for example, does not add adaptive linear combinations and / or through a plurality of spatially separated antennas to transmit multi-carrier spread and despread FIG. 这种阵列自适应处理被归入了多层载波扩展和解扩展操作。 Such arrays adaptive processing multi-carrier extension is included in the reconciliation extended operation.

[0089] 图2B表示由连接到一个多元天线阵列(AA)46上的多层载波多址联接(SCMA)发射机组44构成的一个网络发射机42。 [0089] FIG. 2B shows the connection to a multi-antenna array (AA) multi-carrier multiple access (SCMA) 46 44 units on the launch of a network consisting of 42 transmitters. 网络接收机组48包括连接到多层载波多址联接(SCMA)接收机组52上的一个多元天线阵列(AA) 50。 Network connected to the receiving unit 48 includes a multi-carrier multiple access (SCMA) receives a multi-element antenna array (AA) 50 units 52.

[0090] 图3A表示由连接到一个时分双工器(TDD) 58上的多层载波扩展频谱(SCSS)发射机56构成的点-对-点发射机54。 [0090] FIG. 3A shows the connection to a time division duplex (TDD) multi-carrier spread spectrum (SCSS) 58 dots on the transmitter 56 - to - point transmitter 54. 点-对-点接收机60包括连接到多层载波扩展频谱(SCSS)接收机64上的一个时分双工器62。 Point - to - point connected to the receiver 60 includes a multi-carrier spread spectrum (SCSS) receiver 64 on a time division duplex 62.

[0091] 图3B表示的网络发射机66包括一个连接到时分双工器(TDD) 70上的多层载波多址联接(SCMA)发射机68。 [0091] Figure 3B shows the network comprises a transmitter 66 connected to the time division duplex (TDD) multiple access multi-carrier 70 on (SCMA) transmitter 68. 网络接收机72包括连接到多层载波多址联接(SCMA)接收机76 上的一个时分双工器74。 The receiver 72 is connected to a network including a multilayer carrier multiple access (SCMA) receiver 76 on a time division duplexer 74.

[0092] 图4A表示由连接到一个空码器82上的多层载波扩展频谱(SCSS)发射机80构成的点-对-点发射机78。 [0092] Figure 4A shows the connection to an empty yard on 82 multi-carrier spread spectrum (SCSS) transmitter consisting of 80 points - to - point transmitter 78. 点-对-点接收机84包括连接到多层载波扩展频谱(SCSS)接收机88上的一个空码器86。 Point - to - point connected to the receiver 84 includes a multi-carrier spread spectrum (SCSS) an empty receiver decoder 88 on 86.

[0093] 图4B表示由连接到一个空码器94上的多层载波多址联接(SCMA)发射机92构成的网络发射机90。 [0093] Figure 4B shows the network by the transmitter is connected to an empty multi-carrier multiple access (SCMA) code 94 on the transmitter 92 constitute 90. 网络接收机96包括连接到多层载波多址联接(SCMA)接收机100上的一个空码器98。 The receiver is connected to the network 96 includes a multi-carrier multiple access (SCMA) receiver on an empty code 100 98.

[0094] 图5A表示一个点-对-点发射机102,它包括连接到一个广泛分散的频道复用器106上的多层载波扩展频谱(SCSS)发射机104。 [0094] Figure 5A shows a point - to - point transmitter 102, which includes a connection to a multi-carrier spread spectrum (SCSS) a widely dispersed channel multiplexer 106 transmitter 104. 点-对-点接收机108包括连接到多层载波扩展频谱(SCSS)接收机112上的一个广泛分散的频道复用器110。 Point - to - point connected to the receiver 108 includes a multi-carrier spread spectrum (SCSS) receiver on a 112 channel multiplexer 110 widely dispersed.

[0095] 图5B表示一个网络发射机114,它包括连接到一个广泛分散的频道复用器118上的多层载波多址联接(SCMA)发射机116。 [0095] FIG. 5B shows a network transmitter 114 which includes a connection to a widely dispersed multi-channel multiplexer carrier multiple access (SCMA) 118 116 on the transmitter. 网络接收机120包括连接到多层载波多址联接(SCMA)接收机124上的一个广泛分散的频道复用器122。 The receiver is connected to a network 120 includes multi-carrier multiple access (SCMA) a receiver 124 widely dispersed channel multiplexer 122.

[0096]图6A表示一种点-对-点收发信机系统126,其中的多层载波扩展频谱(SCSS) 发射机组128被连接到一个同步时分双工器(TDD)组130,后者又在多层载波扩展频谱(SCSS)发射机组128的控制下通过一个反适配器136连接到一个多元天线阵列(AA) 132和一个多层载波扩展频谱(SCSS)接收机组134。 [0096] FIG. 6A illustrates a point - of - points to close the transmitter system 126, wherein the multi-layer carrier spread spectrum (SCSS) transmitting unit 128 is connected to a synchronous time division duplex (TDD) group 130, which in turn In the multi-carrier spread spectrum (SCSS) emission control unit 128 next to a multi-antenna array is connected (AA) by an anti adapter 136 132 and a multi-carrier spread spectrum (SCSS) receiving unit 134.

[0097] 图6B表示一种网络系统138,它包括连接到同步时分双工器(TDD) 142上的一个多层载波多址联接(SCMA)发射机140,时分双工器又在多层载波多址联接(SCMA)发射机组140的控制下通过一个反适配器148连接到一个多元天线阵列(AA) 144和一个多层载波多址联接(SCMA)接收机组146。 [0097] FIG 6B illustrates a network system 138, which includes a device coupled to the sync time division duplex (TDD) a multi-carrier multiple access (SCMA) 140 on the transmitter 142, in turn in a time division duplex multi-carrier multiple access (SCMA) emission unit 140 under the control by a counter adapter 148 is connected to a multi-antenna array (AA) 144, and a multi-carrier multiple access (SCMA) receiving unit 146.

[0098] 图7A表示一种类似于图2A,3A,4A,5A和6A中所包括的那种多层载波扩展频谱(SCSS)发射机150。 [0098] Figure 7A illustrates a similar to FIG. 2A, 3A, 4A, 5A and 6A of the kind comprising a multilayer carrier spread spectrum (SCSS) transmitter 150. SCSS发射机150包括一个数-模转换器(DAC) 152,用来将输入数字数据转换成用于传输的模拟信号。 The transmitter 150 comprises a number SCSS - analog converter (DAC) 152, is used to input digital data into analog signals for transmission. 用于传输的模拟信息可以不通过DAC152直接输入。 Analog information for transmission may not be directly input through DAC152. 对应着上变换处理中的射频载波的每一次调制包括两个或更多信道(例如1,. ..,k)。 Corresponding to the conversion process in each RF carrier modulation comprising two or more channels (e.g., 1 ,. .., k). 例如,每个上变换信道包括一个同相(I)混频器154和连接到90°移相器158和本地振荡器(L0) 160 的一个正交混频器156。 For example, each of the conversion channel comprising an in-phase (I) mixer 154 and connected to the 90 ° phase shifter 158 and a local oscillator (L0) 160 a quadrature mixer 156. 这样就能用调制信息来控制同相位和正交相位的AM载波射频的幅值。 Such information can be used to control modulation with AM-phase and quadrature phase carrier amplitude of the RF. 一对增益控制放大器162和164能够在被加法器166重组之前独立地调节各个同相位和正交相位的幅值。 A pair of gain control 162 and 164 can be adjusted independently of each-phase and quadrature phase of the reorganization of the adder 166 before being amplitude amplifier. 用一个带通滤波器(BPF) 168剥离可能会干扰相邻信道的带外信号。 With a bandpass filter (BPF) 168 stripped-band signals that may interfere with adjacent channels. 由一个总加法器170组合来自所有信道的信号,并且产生发射机输出,然后提供给一个天线。 Signals of all channels by a combination of a total 170 from the adder and generates the transmitter output, and then supplied to an antenna. 扩展增益发生器172周期性地发出平行的输出,用来控制一组中每一个信道的所有增益控制放大器162和164。 Extended gain generator 172 periodically sends parallel output, used to control a group all gain controls for each channel amplifiers 162 and 164. 提供给各个增益控制放大器162和164的各个控制信号中包括用于开/关控制的一位信号数字线,用于离散灰色色度设定的多位平行数字控制线,或者是用于连续改变增益设定的一条模拟控制线。 The control signal supplied to each respective gain control amplifier 162 and 164 includes for opening / closing a digit line control signal for setting the number of discrete gray color parallel digital control lines, or for continuous change gain setting of an analog control lines.

[0099] 对图7A和7B所示的用于发射机150和接收机180的模拟电路的一种显而易见的变更是采用全数字复用转换器("transmux")设计,例如是采用离散的数字逻辑或数字信号处理器。 [0099] FIG. 7A and 7B for one obvious change for the transmitter and receiver analog circuit 150 is a 180 all-digital multiplex converter ("transmux") design, for example, is the use of discrete digital logic or a digital signal processor.

[0100] 对例如图7A和7B所示的直接或复用转换器扩展和解扩展方案的一种最佳变更方式是本发明的正交频分复用(0FDM)的离散多音(DMT)方法。 [0100] For example, FIG. 7A and 7B, directly or multiplex converter to change one of the best way to extend the settlement expansion program of the present invention is an orthogonal frequency division multiplexing (0FDM) Discrete Multi-Tone (DMT) method .

[0101] 参见图7A,在发射机150工作时,扩展增益发生器172产生的某些扩展增益输出要比用不同的扩展增益获得的输出更容易被指定的接收机接收到。 [0101] Referring to FIG. 7A, when the transmitter 150 work, extend some of the extensions gain output gain generator 172 different than the output produced by the expansion of the gain achieved more easily received by the designated receiver. 发射机和接收机之间的介入无线电通信环境对某些相位和频率的衰减或是干扰通常要比对其它相位和频率的衰减或干扰大。 Interventional radio communication environment between the transmitter and receiver to attenuate or interfere with some phase and frequency attenuation than usual or interfere with other large phase and frequency. 无线电通信环境中包含同波道干扰,网间和网内加性干扰,以及更容易超过扩展码并且在接收机上难以消除的人为干扰/覆盖信号。 Radio communication environment includes co-channel interference, inter-network interference and increase internal network, and easier than spreading code and the receiver is difficult to eliminate human disturbance / overlay signal. 扩展增益输出有能力补偿介入无线电通信环境中的信道畸变和同波道干扰的影响。 Extended gain output is affected by radio communication environment channel distortion and co-channel interference ability to compensate intervention. 在任何一个时刻应该产生的最佳扩展增益输出可以按照时间或空间用模仿的序列来确定,或者是按照对例如反向信道数据等通信质量的某种测量所获得的结果来调节。 Best extend gain output at any one time should be able to produce according to the time or space to use to determine the sequence of imitation, or in accordance with the result, for example, a reverse channel communication quality data, obtained some measure to adjust. 这种扩展码能够补偿同波道干扰源以及信道畸变。 This extension code can compensate for co-channel interference source and channel distortion.

[0102] 图7B表示一种类似于图2A,3A,4A,5A和6A中所包括的那种多层载波扩展频谱(SCSS)接收机180,并且能够与图7A所示的发射机150互补。 [0102] Figure 7B illustrates a similar to FIG. 2A, 3A, 4A, 5A and 6A of the kind comprising a multilayer carrier spread spectrum (SCSS) receiver 180, and the transmitter is capable of 150 shown in FIG. 7A complementary . SCSS接收机180用一个平行驱动若干个独立频道的分离器181接收模拟信号。 SCSS receiver 180 with a parallel drive splitter several independent channels 181 to receive analog signals. 一个典型的信道包括带通滤波器182,分离器183,同相增益控制放大器184,正交相位增益控制放大器185,由移相器188和本地振荡器189驱动的一对相位检测器186和187,以及用来将所有接收机信道重新组合成数字信号的一个模-数转换器(ADC) 190。 A typical channel comprises a bandpass filter 182, a separator 183, noninverting gain control amplifier 184, quadrature phase gain control amplifier 185, phase shifter 188 and local oscillator 189 driven by a pair of phase detector 186 and 187, and for all the receiver channels reassembled into a digital signal, analog - digital converter (ADC) 190. 每个下变换信道中包括同相(I)混频器186和连接到90°移相器188和本地振荡器(LO) 189的正交(Q)混频器187。 Each channel includes a down conversion in phase (I) mixer 186 and is connected to the 90 ° phase shifter 188 and a local oscillator (LO) 189 quadrature (Q) mixer 187. 再连接一个解扩展加权发生器191,用来控制各个信道中独立的同相和正交放大器184和185。 Then connect a despread weight generator 191 is used to control each channel independently-phase and quadrature amplifiers 184 and 185.

[0103] 图8表示一个基站230。 [0103] Figure 8 shows a base station 230. 在最佳实施例中,对于"空码(codenulling)",采用解扩展加权最大限度地增大信号-干扰比和信-噪比;并且根据从适应本地的扩展加权导出的扩展增益在最佳实施例中引入了方向性和反方向性。 In the preferred embodiment, for "empty code (codenulling)", using the maximum increase in the weighted despread signal - interference ratio and letter - noise ratio; and adapt according to the local extension from export expansion weighted gain in the preferred embodiment Example introduced directional and anti-directional. 基站230类似于图1的基站11,它包括采用波束成形与远端单元进行定向无线电通信的天线阵列232,发射/接收(T/R)前端234, 一组频道236,数据元变换器238,加权适配算法发生器240,多天线多线路解扩展器242,延迟和Doppler估算器243,延迟和Doppler均衡器组244,和一个符号解码器组246, 例如是输出若干个恢复的基带数据信道的一种Trellis解码器。 The base station 230 similar to Figure 1 of the base station 11, which comprises the use of beam forming antenna array with the remote unit 232 of directional radio communication, transmit / receive (T / R) front end 234, a channel 236, the data converter 238 yuan, Weighted adaptation algorithm generator 240, a multi-antenna multi-line despreader 242, delay and Doppler estimator 243, group delay and Doppler equalizer 244, and a symbol decoder group 246, for example, the output of a number of baseband data recovery channel A Trellis decoder. 天线阵列232中可以没有, 有些,或者全部都是极化分集的(例如天线233)。 Antenna array 232 can not, some, or all are polarization diversity (e.g., antenna 233).

[0104] 有些输出基带数据信道被连接到一个符号编码器组248,例如是Trellis编码器。 [0104] Some output baseband data channel is connected to a symbol encoder unit 248, for example, a Trellis encoder. 从此开始的传输线路包括延迟和Doppler预加重组250,多天线多线路扩展器252,天线和频道变换器254,连接到发射/接收补偿算法发生器256的发射/接收补偿组255,以及连接到T/R前端234的一个反向频道复用器组257。 Since the beginning of the transmission line includes a delay and Doppler pre-restructuring 250, the multi-antenna multi-line extension 252, antenna and channel converter 254, connected to the emitter transmit / receive compensation algorithm generator 256 / receiving compensation group 255, and is connected to T / R front end of a reverse channel multiplexer group 234 257. 一个发射/接收分组触发器258接收GPS 时间转移信息并且控制T/R前端234中独立的发射和接收时间的交错和持续时间。 A transmit / receive packets trigger 258 receives GPS time transfer of information and control interleaving and duration of separate transmit and receive time of T / R front end 234. 这种基站的天线阵列还可以只有一个天线元。 This base station antenna array can also be only one antenna element. 在一个最佳实施例中,基站采用分组的时分双工DMT 或0FDM调制器和解调器来执行反向频道复用器和频道复用器的工作。 In a preferred embodiment, the base station using time division duplex packet or 0FDM DMT modulator and demodulator to perform a reverse channel multiplexer and the channel multiplexer work.

[0105] 关于使用Trellis编码调制的更多信息可以参见Boulle等人在IEEEP頂RC' 94, pp.105-109 上发表的"AnOverviewofTrellisCodedModulationResearchin C0ST231"。 [0105] For more information on using the Trellis Coded Modulation Boulle, who can see in the top IEEEP RC '94, pp.105-109, published "AnOverviewofTrellisCodedModulationResearchin C0ST231".

[0106] 图9中表示一个实施例的远端单元260。 [0106] FIG. 9 shows an embodiment of remote unit 260. 远端单元260类似于图1的远端单元12-17,它包括采用组合的空间和频谱分集与基站进行无线电通信的天线阵列262,发射/ 接收(T/R)前端264, 一组频道266,数据元变换器268,加权适配算法发生器270,多天线解扩展器272,延迟和Doppler估算器273,延迟和Doppler均衡器组274,和一个符号解码器276,例如是输出一个恢复的基带数据信道的一种数据解码器。 Remote unit 260 is similar to Figure 1 of the remote units 12-17, which comprises using a combination of spatial and spectral diversity antenna array 262 with a base station for radio communication, transmit / receive (T / R) front end 264, a channel 266 The data converter 268 yuan, the weighted adaptation algorithm generator 270, a multi-antenna despreader 272, delay and Doppler estimator 273, group delay and Doppler equalizer 274, and a symbol decoder 276, for example, the output of a recovery A data decoder baseband data channel. 天线阵列262中可以没有, 有些,或者全部都是极化分集的(例如天线263)。 Antenna array 262 can not, some, or all are polarization diversity (e.g., antenna 263).

[0107] 输出基带数据信道被连接到一个符号编码器278,例如是一个数据编码器。 [0107] Output baseband data channel is connected to a symbol encoder 278, for example, a data encoder. 从此开始的传输线路包括延迟和Doppler预加重单元280,多天线扩展器282,天线和频道变换器284,连接到发射/接收补偿算法发生器286的发射/接收补偿组285,以及连接到T/R前端264的一个反向频道复用器组287。 From the beginning of the transmission line includes a delay and Doppler pre-emphasis unit 280, a multi-antenna extension 282, antenna and channel converter 284, connected to a transmit / receive compensation algorithm generator 286 transmit / receive compensation group 285, and is connected to the T / R 264 front end of a reverse channel multiplexer group 287. 一个发射/接收分组触发器288接收GPS时间转移信息并且控制T/R前端264中独立的发射和接收时间的交错和持续时间。 A transmit / receive packets trigger 288 receives GPS time transfer of information and control interleaving and duration of separate transmit and receive time of T / R front end 264.

[0108] 这种基站的天线阵列可以只有一个天线元。 [0108] Such a base station antenna array can have only one antenna element. 各个远端单元的天线数量可以是不同的。 The number of antennas of each remote unit may be different. 这样就能根据一个具体单元的重要性或是数据速率来更改远端单元的费用。 This allows the data rate based on the importance of a particular unit or to change the cost of the remote unit. 远端单元可以采用不同的扩展速率。 Remote unit can be used different growth rates. 它们能够在基站收发信机所使用的频道中不同的子集上扩展自己的数据。 They can expand their data base transceiver channels used on different subsets. 在一个最佳实施例中,远端单元采用分组的时分双工DMT或0FDM调制器和解调器执行反向频道复用器和频道复用器的工作。 In a preferred embodiment, the remote unit using time division duplex packet or 0FDM DMT modulator and demodulator performs a reverse channel multiplexer and the channel multiplexer work. 基站和远端单元之间的区别在于基站是从多个节点上收发信号,也就是多址联接。 The difference between the base station and the remote unit that send and receive signals from the base station is a plurality of nodes, which is multiple access. 每个远端单元仅仅是收发自己需要的一个数据流。 Each remote unit is just receiving a data stream they need. 信道均衡技术和空码对于适应扩展和解扩展加权来说都是有限的方法。 Channel equalization and space to spread and despread code to adapt the weighting for both limited way.

[0109] 图10表示一种多天线发射/接收模块290。 [0109] FIG. 10 shows a multi-antenna transmission / reception module 290. 模块290包括一个多元天线阵列291, 每个信元连接到对应的一个单信道T/R模块292,例如是四个。 Module 290 includes a multi-element antenna array 291, each cell is connected to a corresponding one of the single-channel T / R module 292, for example, four. 每个T/R模块292被连接到一个分组触发器293,接收机校准发生器294,本地振荡器295和一个系统时钟296。 Each T / R module 292 is connected to a packet trigger 293, receiver calibration generator 294, local oscillator 295 and a system clock 296. 它们都是由GPS时钟和Doppler校正信号来驱动的。 They are by the GPS clock and Doppler correction signal to drive. 每个T/R模块292包括一个T/R开关297,中频(IF)下变换器298,模-数转换器(ADC) 299,数-模转换器(DAC) 300,IF上变换器301 和一个功率放大器(PA) 302。 Each T / R module 292 includes a T / R switch 297, an intermediate frequency (IF) down-converter 298, analog - digital converter (ADC) 299, the number of - analog converter (DAC) 300, 301 and the IF converter a power amplifier (PA) 302. 在接收过程中学习接收加权信息,并且在发射过程中用于设定提供给每个天线元的有关发射功率,以补偿信道衰落或是干扰。 Learning reception weight information during reception, and is used to set provided to each antenna element related to transmit power during launch to compensate for fading or interference. 需要注意的是,如果基站采用极化分集,发射/接收模块的极化都必须是单独激励的。 It should be noted that, if the base station using polarization diversity, the transmit / receive module of polarization must be individually motivated.

[0110] 接收和发射时隙是在特定的时间触发的,可以根据UnitedStatesDepartmentof Defense使用的全球定位系统(GPS)提供的精确通用时间独立来源按照伪随机方式来确定。 [0110] receive and transmit time slots are triggered at certain times, can provide the global positioning system used UnitedStatesDepartmentof Defense (GPS) independent sources to determine the exact time in accordance with common pseudo-random manner. 这种GPS时间是由驻留在通信平台的电路板上的导航系统获得的,让每个T/R模块292 的接收机侧都知道一个分组所对应的时隙。 This GPS time is a communications platform that resides on a circuit board of the navigation system to obtain, so the receiver side of each T / R module 292 knows that a corresponding packet slot. GPS时间还用来获取系统中使用的本地振荡器和ACD/DAC时钟。 GPS time is also used to obtain a local oscillator and ACD systems used / DAC clock. 接收机侧不需要与远端发射源同步。 The receiver side does not need to synchronize with the remote transmission sources. 特别是接收机系统在接收第一个数据分组之前不需要知道通信装置之间的传播延迟和Doppler频移的范围。 Particular receiver system before receiving the first data packet does not need to know the propagation delay between the communication apparatus and the Doppler frequency shift range. 然而,在某些应用中可能需要在一定精度上知道通信装置之间的范围,速度,延迟和Doppler频移。 However, in some applications you may need to know in a certain range of accuracy between the communication devices, speed, delay and Doppler frequency shift. 在接收第一个数据分组之前不需要知道通信装置之间的范围,传播延迟和Doppler频移的范围。 Before receiving the first data packet does not need to know the range between the communication devices, the propagation delay and Doppler frequency shift range.

[0111] 校准模式仅仅是根据需要选择使用。 [0111] calibration mode is only choose to use as needed. 例如是在一次传输的开头,或者是在内部诊断指示出需要校准时执行。 For example, at the beginning of a transmission, or perform internal diagnostics indicate the need for calibration.

[0112] 在图12中,镜像地模拟如图11所示的编码,扩展和调制操作来执行解调,解扩展和解码操作。 [0112] In Figure 12, the mirror 11 to the analog shown in FIG coding, spreading and modulation operations to perform demodulation, despreading and decoding operations. 图11中的数据流可以反映出图12中的数据流,图11和12的数据流是相同的,一个图中的相加在另一个图中就换成了输出。 Figure 11 data stream can reflect data stream in Fig. 12, 11 and the data stream 12 is the same, adding a figure in another figure to replace the output. 这种对称性例如有DMT调制器和解调器, 频率变换和反变换操作,扩展和解扩展操作,以及编码选通扩展和解扩展操作。 This symmetry for example, DMT modulator and demodulator, frequency conversion and inverse transform operations, spread and despread operations, and encoding strobe spread and despread operations. 扩展器的构造镜像解扩展器的构造。 Structure mirrored despreader constructor expander. 现有技术的CDMA收发信机不具有这样的对称性。 CDMA transceiver prior art does not have such symmetry. 对称性在本发明的实施例中是一个重要特征。 Symmetry is an important feature in the embodiment of the present invention.

[0113] 图11表示在实施例300中用于频道复用的一种离散多音多层载波扩展频谱(SCSS)调制器。 [0113] FIG. 11 shows a discrete channel for multiplexing the multi-tone multi-carrier spread spectrum (SCSS) modulator 300 in the embodiment. 来自导航和编码系统302的帧生成指令使一个信号调制器304将天文历, 位置,速度,加速度和其它信息编码成一种Kcell符号数据矢量。 Frames from the navigation and coding system 302 generates instructions cause a signal modulator 304 ephemeris, position, velocity, acceleration, and other information encoded into a Kcell symbol data vector. 然后用这些符号调制一组基带单音或快速Fourier变换(FFT)bins。 Then use these symbols modulating a baseband tone or fast Fourier transform (FFT) bins. 在扩展器306中为Kspraad个独立扩展单元复制这一心^基带单音,乘以一个独立的扩展增益用于天线" 1"和频率单元"h"合成,例如将复合常数对等地乘以信元中的每一个符号,并且提供给一个时间复用器将信元组合成合成数据的一个Ka(:tiTC-长矢量,其中的Ka(:tiTC彡K cell^spread0将这一合成数据矢量提供给一个零衰减反向-FFT算子308将数据矢量直接转换成KFFT彡(1+SF) *Kactlve实时-IF时间采样, 其中的"SF"代表这一系统中从阻带到通带的"形态系数"或是比例。然后将这一时间序列中的第一个Eroll *KFFT采样复制310成一个Kpadret= (1+Erall) *KFFT-长数据序列。乘法器312用来自一个Kaiser-Bessel窗口314的Kpadiet-长数据乘以这一序列,产生最终的采样信号。然后将采样信号提供给数-模转换器产生一个Tpadret*Kpadffit/fs-长数据短脉冲串提供给上变频器和通信信道,其中的fs是DPC/DNC模块的复合采样速率。用来减少发射信号特征的所有参数都和GPS时间一致,使通信网络中的节点同时发射。系统中的每一个天线都重复这一过程。 Copy the expander 306 is Kspraad separate expansion units that heart ^ baseband tone, multiplied by a separate antenna for spreading gain "1" and the frequency unit "h" synthesis, such as the composite constant peer multiplied by letter Yuan each symbol, and supplied to a time multiplexer cells will be combined into a composite data Ka (: tiTC- long vector, where Ka (: tiTC San K cell ^ spread0 this synthesis will provide data vector to a zero attenuation reverse -FFT operator 308 data vectors directly into KFFT San (1 + SF) * Kactlve real time -IF time sampling, which "SF" on behalf of this system passband from resistance to the " form factor "or proportion of the time series and then the first sample copy Eroll * KFFT 310 into a Kpadret = (1 + Erall) * KFFT- long data sequence multiplier 312 is derived from a Kaiser-Bessel window Kpadiet- long data 314 is multiplied by this sequence, resulting in a final sample signal is then provided to the digital sampling signal - analog converter generates an Tpadret * Kpadffit / fs- burst length data is supplied to the inverter and the communication channel , where fs is DPC / composite sampling rate DNC module. All parameters are used to reduce the transmit signal characteristics are consistent and GPS time, so that the communication network nodes simultaneously launch the system in each antenna to repeat this process.

[0114] 在基线系统300中包括按照基带单音编码的符号。 [0114] included in the baseline system 300 according to the baseband tone encoded symbols. 每个Keell数据位调制信号基带中的一个独立单音,如果用来调制单音的数据位等于0或是1,就分别用0或180°对单音进行相位调制。 Each Keell data bit modulated baseband signal in an independent tone, if the tone is used to modulate the data bits is equal to 0 or 1, is respectively 0 or 180 ° of phase modulated tones. 这种单音调制在可允许的发射功率下是非常有效的。 This tone modulation in the allowable transmit power is very effective. 它可以弥补无线电辐射检测技术的脆弱性,能够以低达3dB的Eb/N0可靠地解调发射的位序列。 It can make radio radiation detection technology vulnerability can be as low as 3dB of Eb / N0 reliably demodulated bit sequence emitted. 在单音相序的共辄自相干的基础上,BPSK格式能够采用有效和完善的方法从解扩展数据中消除定时和载波偏移。 On the basis of co-noir tone of self-coherent phase sequence on, BPSK format can adopt effective and comprehensive approach eliminates timing and carrier offset from the despread data.

[0115] 这种运算是用于单一天线的,例如对收发信机采用的每一个频率单元k和天线1 使用不同的合成扩展增益gkl。 [0115] This operation is used for a single antenna, for example, k for each frequency unit transceivers and antennas used in the synthesis of 1 using different spreading gain gkl. 这一通路在数-模转换操作之前使用分组扩展系数erall和分组采样长度Kpaeket= (l+erall)KFFT采样(在DAC操作之后Tpaeket= (l+eroll)TFFT持续时间)。 This pathway in number - before analog conversion operation uses erall and packet sampling packet length extension factor Kpaeket = (l + erall) KFFT sampling (after the DAC operating Tpaeket = (l + eroll) TFFT duration). 可以根据扩展加权wkl按照电码本,随机,伪随机或是自适应等方式通过平均数量来确定扩展增:gki。 You can follow this code, random, pseudo-random or adaptive, etc. to determine the extension by increasing the average number of weighted according Extended wkl: gki.

[0116] 每个数据符号的信息位数是Kbit。 [0116] information bits per data symbol is Kbit. BPSK是一种简单的编码策略,其中的编码被忽略,而Kbit=l。 BPSK is a simple coding strategy, in which code is ignored, while Kbit = l. 平台天文历,位置,速度,和加速度信息是在某些应用中可以发送的数据的一些例子。 Some examples of platform ephemeris, position, velocity, and acceleration information is in some applications can send data. BPSK对于数据速率不是系统主要问题的那些应用是最佳的调制方式。 For those applications BPSK data rate is not the main problem of the system is the best modulation.

[0117] 在其它实施例中有选择地包括了延迟和Doppler预加重操作。 [0117] In other embodiments, there is optionally include a delay and Doppler pre-emphasis operation. 在最初编组之后采取这种方式以便在指定的接收机上消除从DMT调制器发射的信号的延迟和Doppler频移的影响。 Such an approach in order to eliminate the delay after the first group from DMT modulator transmit signal and Doppler frequency shift of influence on the specified receiver. 这种操作在网络中可以简化收发信机的设计,将延迟和Doppler消除操作集中在基站中完成。 This operation can be simplified in the network transceiver design, will eliminate the delay and Doppler operation concentrated in the base station is completed.

[0118] 随着对多址联接收发信机的扩展概念的产生,可以在多用户收发信机中用一组独立的扩展增益(gkl(m))来扩展提供给用户m的数据符号。 [01] associated with the production of the extended concept received multiple transmitter sites, in a multi-user transceiver with a separate set of spreading gain (gkl (m)) to extend the offer to the users of m data symbols.

[0119] 图12表示一种全数字完全自适应的解扩展和波束成形接收机320。 [0119] FIG. 12 shows a fully adaptive digital beamforming receiver despreads and 320. 这种技术的背景可以参见Tsoulos等人1994年3月在IEEE#l-7803-1927,pp. 615-619上发表的"ApplicationofAdaptiveAntennaTechnologytoThirdGenerationMixedCell RadioArchitectures"。 Background of this technology can be found in Tsoulos, who in March 1994 at the IEEE # l-7803-1927, pp. 615-619, published "ApplicationofAdaptiveAntennaTechnologytoThirdGenerationMixedCell RadioArchitectures". 来自一个接收机导航和编码系统322的帧接收指令使得信号解调器324从Ka"ay个阵列天线326上收集一串T_-长发射帧并且执行模-数转换,Tgat^Kgate 个采样占用的持续时间。这其中包括一个Tg_d-长时隙,用来解决发射和接收链路之间未知的传播延迟(Tgate=Tpaeket+TguaJ,其中的Tpaeket是分组的时间跨度,Tg_d是Kg_d个采样占用的时间间隔。从每一个ADC输出一个Kgate-长数字数据帧,然后提供给一个窗口式零衰落稀疏FFT328,用每个被FFT库的整数分开的单音将分组转换到频域。 From a navigation receiver and coding system frame 322 receives the instruction so that the signal demodulator 324 collected from the Ka "ay array antenna 326 T_- long string of transmit frame and performs analog - digital conversion, Tgat ^ Kgate samples occupied duration. This includes a Tg_d- long slot, to solve the unknown link between the transmit and receive propagation delay (Tgate = Tpaeket + TguaJ, which is a grouping of Tpaeket time span, Tg_d is occupied Kg_d samples the interval from each ADC outputs a digital data frame length Kgate- then supplied to a window, zero fading sparse FFT328, with each separated by integer FFT libraries tone packet into the frequency domain.

[0120]FFT库被提供给一个多路分解器330,从接收的数据组中消除无用的FFT库,并且将剩下的库编组成KMllX(Kspraad*K_ay)数据矩阵,这其中包含从各个发射的扩展单元接收到的单音,其中的Kspraad是频率扩展稀疏,KMll是每个预扩展数据单元的符号数,而Ka"ay 是天线的数目。各个扩展数据单元通过一组线性合成器332消除覆盖各个单元的同波道干扰,并且对来自接收的数据组的原始基带符号单音解扩展。利用代码选通自相干恢复方法来适配合成器的加权,同时对接收的数据信号解扩展,并且执行按照频率的多天线接收和有用的扩展信号的空间滤波。 [0120] FFT library is supplied to a demultiplexer 330, eliminate unnecessary FFT library from the received data group, and the rest of the library grouped KMllX (Kspraad * K_ay) data matrix, which contains the various emission tones received expansion unit, wherein the frequency extension Kspraad is sparse, KMll is pre-expanded the number of symbols for each data unit, and Ka "ay is the number of antennas Each extension data unit through a set of linear combiner 332 Elimination covering co-channel interference of each unit, and the original baseband symbols from the received data set tone despreading. exploit code gating from coherent recovery method to fit with the weighted synthesizer, while data signals received on the expansion of the solution, and performs spatial filtering in accordance with the multi-antenna reception frequency signals and useful extension.

[0121] 合成器加权被用来构筑一组可用于后续的反向传输的发射加权。 [0121] synthesizer is used to build a set of weighted transmit weight can be used in a subsequent reverse transmission. 然后将这种单音提供给一个延迟和Doppler均衡单元334来评估和消除来自接收数据组的Doppler频移(非整数FFT库-频移)和线性传播延迟(相位超前)。 This tone is then supplied to a delay and Doppler equalization unit 334 to assess and eliminate from the Doppler frequency shift of the received data set (non-integer FFT library - frequency shift) and linear propagation delay (phase advance). 由一个符号解调器336来评估发射的信息符号。 A symbol demodulator 336 by the evaluated transmitted information symbol.

[0122] 接着,接收到的由各个用户发射的数据分组被解扩展,并且从接收的干扰环境中提取出来。 [0122] Next, the received data packet transmitted by each user is despread, and extracted from the received interference environment. 一直到按照高信号_干扰比和信-噪比对基带信号解扩展之后,即使是在有强烈噪声和同波道干扰的情况下,处理器都不需要与发射机具有精确的定时/载波同步, Until _ in accordance with high signal-interference ratio and the letter - after the base signal to noise ratio of the solution with an extended, even in the presence of strong noise and co-channel interference, the processor does not require precise timing and a transmitter / carrier synchronization,

[0123] 在接收机上从信道中提取由用户m发射的KOTll符号,用相同的合成扩展加权Wkl (m)为频率单元k和天线1上接收到的单音逐个加权,然后逐个单音地将这些单元加在一起,让接收到的每个频率单元中的单音q成为系统中使用的所有Kspraad*KalTa/h 频率单元和天线的总和。 [0123] In the receiver extracts KOTll m symbols transmitted by the user from the channel, using the same synthetic extensions weighted Wkl (m) as a tone-by-weighted received on a frequency unit and antenna k, then one by one to the tone These units together, so that each received tone frequency unit becomes the sum of all q Kspraad * KalTa / h frequency unit and antenna used in the system.

[0124] 每个多元收发信机最好最小数量的合成空间和频谱自由Kspraad,以便使侵入各个频率单元的非层叠载波干扰源不起作用。 [0124] Each transceiver Multi best space and a minimum number of synthetic spectrum free Kspraad, in order to invade the individual cells of the non-laminated carrier frequency interference source does not work. 剩下的自由度被用来改善解扩展基带信号的SINR或是用来分离层叠的多层载波信号。 The remaining degrees of freedom are used to improve the despread baseband signal SINR for separating laminated or multilayer carrier signal. 然后调节单元解扩展器的加权,使解扩展基带信号的功率达到最大。 Then adjust the weighting unit despreader make despread baseband signal power is maximized. 这样就形成了一种空码解决方案,明显地比常规解扩展方法更加有力。 Thus forming a space code solution significantly more powerful than the conventional solution extension methods. 理想的解扩展器调节解扩展加权,使非层叠载波干扰源下降到每个频率单元上的噪声水平而不起作用,同时提高解扩展信号的SINR。 Ideal despreader despreading adjusted weighted, non-laminated carrier interference source down to the noise level of each frequency unit and does not work, while improving the despread signal SINR. 多元解扩展器还能够明显地减弱零位,在给定的频率单元内抵御弱无线电信号的干扰源。 Multiple despreader also significantly reduced to zero, in a given frequency unit against a weak radio signal interference sources. 可以用软空码对准在给定频率单元中用微弱功率接收的干扰源。 It can be aligned with a soft empty symbol interference with a weak power supply unit receives a given frequency. 例如,如果干扰源频谱在一些特定频率上具有微弱的值,就可以用较弱的空码对准干扰源通频带的外沿。 For example, if the source of interference spectrum with a weak value at certain frequency, you can align the outer edge of the source of interference passband with a weaker empty yards.

[0125] -般来说,包括自适应天线阵列的解扩展加权能够明显改善信号传输和接收操作的质量和容量。 [0125] - In general, the weighted despread comprises an adaptive antenna array can significantly improve the quality and capacity of signal transmission and reception operation. 对于系统的接收机一侧,可以采用摸索或是非校准方法对准有用信号中接近理想的波束,同时用空码对准干扰信号。 For the receiver side of the system, may be employed a method to explore the alignment or non-alignment of the useful signal close to the ideal beam, while aligned with an empty symbol interference signals.

[0126] -般来说是这样来调节解扩展加权的,使解扩展基带信号例如是估算的数据符号的信号-干扰比和信噪比(SINR)最大。 [0126] - is generally adjusted such that the weighted despread, so that despread baseband signals, for example, the estimated data symbols signal - interference ratio and signal to noise ratio (SINR) maximum. 这样所产生的一组空码解扩展加权与原先在链路的另一端用来扩展基带信号的扩展增益有明显的不同。 Such a space-time code generated by despreading weighted with the original at the other end of the link used to extend the baseband signal spreading gain significantly different. 特别是这样产生的解扩展加权能够同时消除信道畸变,例如多径传输造成的选择增益和衰落。 Despreading Weighted especially so produced can simultaneously eliminate channel distortion, such as selecting gain and fading caused by multipath propagation. 解扩展能够在需要最大信号-干扰比来消除收发信机接收到的干扰和解扩展器需要最大的信噪比(SNR)这二者之间实现一种最佳的折衷。 Despreading can require maximum signal - interference ratio achieved between the transceivers eliminate interference received reconciliation Extender requires maximum signal to noise ratio (SNR) both a best compromise. 在常规的DSSS和CDMA系统中,解扩展码被设置成等于链路另外一端的扩展码,并且仅仅使解扩展基带信号的SNR最大。 In conventional DSSS and CDMA systems, the despreading code is set equal to the other end of the link spreading code, and only make the despread baseband signal SNR maximum.

[0127] 这种操作在本发明的实施例中是摸索着进行的,在解扩展器上不知道发射扩展增益和信道畸变。 [0127] In an embodiment of this operation of the present invention is carried out groping in the despreader not know emission spreading gain and channel distortion. 这样能简化网络内部使用的协议,允许在网络中的收发信机上使用未知的扩展增益。 This can simplify network protocol for internal use, allowing the use of unknown spreading gain on the network transceiver. 还允许采用适应性确定的扩展增益不断优化地减轻收发信机在传输过程中遇到的噪声,干扰和信道畸变。 Also allows the use of adaptive spread gain determined continuously optimized to reduce the noise transceiver encountered during transmission, interference and channel distortion.

[0128] 这种方案能够改进采用天线阵列的多元SCMA或SCSS收发信机,不需要对扩展,解扩展,或是增益/加权自适应算法进行任何实质性的修改。 [0128] This scheme can be improved using the antenna array Multiple SCMA or SCSS transceiver, you do not need to expand, despreading, or gain / weighted adaptive algorithm to make any substantive changes. 不同之处在于多元收发信机的多元扩展和解扩展操作的维数。 The difference is that a plurality of spreading and despreading operation Dimension Multi transceiver. 然而,因为自由度比较大,多元收发信机具有更大的容量能够用来分离SCSS信号。 However, since a relatively large degree of freedom, pluralism transceiver has a larger capacity can be used to isolate SCSS signal. 可以提高被辐射测量检测装置截听的范围和/或抗扰性,因为它能够由网络中的其他发报机控制空间波束。 Can improve the detection means interception by radiation measurement range and / or immunity, because it can beam by a network of other transmitter control space. 由于具备了从空间上使干扰信号无效的能力,即使干扰是来自广泛的频率范围,对来自非SCSS信号的干扰的抗扰性也能得到改善。 Due to have a make invalid interference signals from space capacity, even if interference from a wide range of frequencies, for immunity from interference from non SCSS signal can be improved.

[0129] 对单个数据分组起作用的快速收敛方法也能够与频道复用的有用信号或处理器结构相互组合,对干扰源信号采取频率选择的消除方法,不需要阵列校准数据或是知道或者估算出定向的有用信号或干扰源信号。 [0129] The rapid convergence method acting single data packet can also be combined with each other or with the useful signal processor architecture channel multiplexed signal taken to eliminate the source of the interference frequency selection method does not require calibration data arrays or know or estimate the useful signal or interference source signal directed. 系统1〇(图1)能够在分组之间的信道几何结构明显变化的高动态环境下检测和解调数据分组。 1〇 system (Figure 1) can be detected and demodulated data packets in a packet channel geometry significantly change between high dynamic environment. 这样,处理器就能够在典型的过负荷环境下操作,此时的干扰数量不少于接收机天线阵列中的天线数量。 Thus, the processor can be overloaded under typical operating environment, the amount of interference at this time is not less than the number of antennas of the receiver antenna array.

[0130] 在系统的发射机一侧可以采用定向或反向自适应方法,用最大功率和/或最小发射无线电信号(定向模式)向发射源定向返回有用信号,或者是连带着在干扰源的方向上用最小的辐射向发射源定向返回有用信号(反向模式)。 [0130] In the transmitter side the system may be used or reverse directional adaptive approach, with maximum power and / or minimum transmit radio signals (directional mode) to return useful directional signal emission source, or even with the interference source directional emission source to return useful signal (reverse mode) direction with minimal radiation.

[0131] 在那些对非SCSS干扰的兼容不是主要问题的发报机的应用中,或者是干扰的发射和接收平台并不处在同一位置的情况下,定向模式是有用的。 Under the [0131] In those applications transmitter for non-interference compatible SCSS is not a major problem, or interference of transmitting and receiving platforms are not in the same position, the directional mode is useful. 这种模式还可以用于通信平台遭受严重非SCSS干扰的场合,例如是在必须向通信链路的另一端传送最大功率的情况下。 This mode can also be the case for a communication platform suffered serious non SCSS interference occasions, for example, must be transmitted at the maximum power to the other end of the communications link below.

[0132] 可以用处理器精确地测量接收的有用信号控制矢量,即使是在干扰源完全覆盖了有用信号通频带和分组间隔的情况下,也能够将最大波束定向返回通信链路的另一端,不需要知道接收的有用信号来自何方。 [0132] can be measured accurately control vectors useful signal received by the processor, even in the case of the interference source completely covers the packet interval signal passband and useful, it is also possible to maximum beam directed to return the other end of the communications link, You do not need to know where it comes from the useful signal received. 系统1〇(图1)能够向通信链路的另一端传送KaMay* 数大功率,为系统提供对任何干扰的抗扰性。 1〇 system (Figure 1) can be transmitted KaMay * Number of power to the other end of the communications link, the system provides for any interference immunity. 即使通信链路的另一端是采用单一天线来发射和接收也能够实现。 Even if the other end of the communication link is to use a single antenna for transmission and reception can be realized. 反之,系统10 (图1)也能用Karaay系数小功率维持通信链路。 Conversely, the system 10 (FIG. 1) can also be used to maintain low power coefficient Karaay communication link. 这样就能按照系数1(31^来缩小系统能够被敌方检测到的地理范围。 This will follow factor 1 (31 ^ to shrink the system can be detected by the geographical scope of the enemy.

[0133] 在图6A和6B中由反向-适配器136和148体现的反向模式对于窃听器的位置与干扰源处在同一位置的情况是有用的,例如可用来评估人为干扰策略的有效性。 [0133] In FIG. 6A and 6B by the reverse - the adapter 136 and 148 reflect the reverse mode is useful for tapping the location and source of interference in the same position, for example it can be used to assess the effectiveness of the policy of human disturbance . 这种策略在欠负荷环境下最有用,可以用宽带空信号指向干扰源。 This strategy is most useful in under-load environment, you can use a broadband signal pointing to an empty source of interference.

[0134] 图13表示一种单帧数字多音(DMT)调制和扩展格式340。 [0134] FIG. 13 illustrates a single frame of a digital multi-tone (DMT) modulation and extended format 340. 格式340例如可用于Kraii=6和Kspraad=4的环境,每个扩展单兀被两个FFT库隔开,也就SKspa(;f3=2。首先将需要发送的六个数据位变换成一组土数据符号。在四个扩展单元的FFT库上按照每个单元特有的合成加权gk反复用符号激励六个基带FFT库。这种合成加权就是扩展增益,它对每一个数据分组是按照随机或伪随机方式来设置的。在频域中执行这种扩展,用一组重叠或是层叠的合成正弦波载波波形乘以时域中的基带信号。实际的扩展是通过直接激励一个大型FFT 库而完成的,显著降低了计算的复杂性,使输出FFT具有适度的容量。在本发明中采用0=9 的Kaiser-Bessel窗口来"填满"单音之间的空间,不让这些单音与相邻的单音发生单音之间的干扰。特别是高值的0会在相邻的单音之间产生干扰,而相隔更远的单音之间的干扰很小。 Format 340 may be used for example Kraii = 6 and Kspraad = 4 environments, each extension is separated by two single-Wu FFT libraries, it SKspa (;. Six data bits f3 = 2 will first need to send transformed into a set of soil data symbols in four FFT library expansion unit repeatedly symbol excitation six baseband FFT library for each unit unique synthesis weight gk. This synthesis is spreading gain weight, it is in accordance with each data packet random or pseudo set of random manner. In the frequency domain implementation of this expansion, the baseband signal, or by a group of overlapping laminated synthetic sine wave multiplied by a carrier domain. The actual extension by direct excitation of a large FFT library completed , significantly reduces the computational complexity, the output FFT with moderate capacity. In the present invention, using Kaiser-Bessel window 0 = 9 to "fill" the space between the tone, not these tones and phase tone interference occurs between adjacent tones, especially high value 0 will produce interference between adjacent tones, and the farther apart the interference between the tones is small.

[0135] 非摸索或校准技术使用基带数据序列或信道畸变的知识和扩展增益根据优化的信号评估方法来产生理想的加权;例如是采用最小二乘方技术。 [0135] Non-fumble or calibration techniques using baseband data sequence or channel distortion gain knowledge and expand to produce the desired signal evaluation method based on weighted optimization; for example, using a least squares technique. 摸索或非校准技术利用基带信号中更一般的特性来适配解扩展加权。 Fumble or calibration technology uses a baseband signal in a more general features to adapt despreading weights. 也可以采用这些技术的混合用基带信号和/或传输信道的已知和未知成分来构筑一种有效的方案。 You can also use these techniques mixed with a baseband signal and / or known and unknown composition of the transmission channel to build an effective program. 特别有效的摸索技术的例子包括恒定-模数,复合-模数以及方向确定技术。 Particularly effective exploration techniques include constant - modulus composite - modulus and determine the direction of technology. 例如是使用电文符号星群的特性来适配解扩展加权。 For example, using the characteristics of the message symbol constellation to adapt despreading weights. 在解调器(图12)中有许多方法可以用来适配多元解扩展加权。 There are many ways to adaptation pluralism weighted despread demodulator (Fig. 12). 首先有一种占优模式预测(DMP)方法,它吸取了已知分组到达时间或是离散多音多层载波信号的已知扩展参数的优点。 First, there is a dominant mode prediction (DMP) method, which draws on the advantages of the known grouping known extensions of time parameters or discrete multi-tone multi-carrier signal arrives. 其次还有代码选通自相干恢复(SCORE)方法,它吸取了离散多音多层载波信号中的已知的自相干或是频谱扩展的信号成分之间的非零关系的优点。 Second, there is the code gating from coherent recovery (SCORE) method, which draws a discrete multi-tone multi-carrier signal of known self-coherent or spectral advantages of the extended zero relationship between the components of the signal.

[0136] 在这两类基本方法中,自相干恢复技术对于单一分组探测和离散多音多层载波信号的检测具有最高的利用价值。 [0136] In these two basic approaches, from coherent recovery technology has the highest use value for the detection of single packet detection and discrete multi-tone multi-carrier signal.

[0137] 常规的频谱和其他类型的自相干恢复吸取了已知频谱和/或共辄自相干特性的优点。 [0137] Conventional spectrum and other types of self-coherent recovery drew known spectrum and / or co-Noir from the advantages of coherent properties. 这是一种给定的通信信号的频移和/或共辄成分之间的非零关系。 This is a non-zero relationship of a given communication signal frequency shift and / or co-Noir between the components. 摸索方法不需要预先知道有用信号的内容或者是信号的来源。 Exploration method does not require prior knowledge of the contents of the useful signal source or signal. 因而不需要用特定的接收机校准信息来训练接收机的天线阵列。 Thus eliminating the need to use a particular receiver antenna array calibration information for training receiver. 摸索方法是采用了自身对有用信号相互关联的特定频移的知识。 Exploration method is the use of the frequency shift of their own knowledge of the useful signal interrelated specific. 参见B.Agee,S.Schell,W.Gardner,"Self-CoherenceRestoral:ANewApproachtoBlind AdaptationofAntennaArrays,"inProceedingsoftheTwenty-FirstAsilomar ConferenceonSignals,SystemsandComputers,1987〇还可以参见B.Agee,S.Schell, W.Gardner,"Self-CoherenceRestoral:ANewApproachtoBlindAdaptativeSignal ExtractionUsingAntennaArrays?,?IEEEProceedings?Vol. 78?No. 4?pp. 753-767?April 1990。还可以参见B.Agee,"ThePropertyRestoralApproachtoBlindAdaptative SignalExtraction,"Ph.D.Dissertation,UniversityofCalifornia,Davis,CA,1989〇 See B.Agee, S.Schell, W.Gardner, "Self-CoherenceRestoral: ANewApproachtoBlind AdaptationofAntennaArrays," inProceedingsoftheTwenty-FirstAsilomar ConferenceonSignals, SystemsandComputers, 1987〇 can also see B.Agee, S.Schell, W.Gardner, "Self-CoherenceRestoral : ANewApproachtoBlindAdaptativeSignal ExtractionUsingAntennaArrays, IEEEProceedings Vol 78 No 4 pp 753-767 April 1990. See also B.Agee, "ThePropertyRestoralApproachtoBlindAdaptative SignalExtraction," Ph.D.Dissertation, UniversityofCalifornia, Davis, CA, 1989???.?.?.? 〇

[0138] 在一种双侧频带调幅信号中,由于双侧频带调幅信号的格式,也由于真实-IF表现,任何这种信号处理的真实-IF表现都与其载波频率和DC共轭对称。 [0138] In one double-sided band amplitude modulated signal, since the format of bilateral band AM signal, but also because real -IF performance, real -IF show any such signal processing it is its carrier frequency and DC conjugate symmetry. 这些对称是彼此偏移的,致使信号的正、负频率成分彼此相等。 These symmetry are offset from each other, resulting in a positive signal, the negative frequency components equal to each other. 通过计算双侧频带调幅的有用信号和被频移了二倍载波的自身复制品之间的相关系数可以观测到这种完美的频谱自相干性。 Bilateral AM frequency band by calculating the desired signal and the frequency shift of the carrier of twice their own copies of the correlation coefficient can be observed between this spectrum from a perfect coherence. 频移算子将负频率成分与正频率成分占据的频带相混合,使相关系数拥有非零的值。 Shift Operators of the negative band frequency component is mixed with the positive frequency components occupy, so that the correlation coefficient has a nonzero value. 仅仅是在这一频移值被用于复制品时才会出现这种非零值。 This is just a non-zero value will appear in the frequency shift value is used when a replica. 相关系数小于本例中的整数。 The correlation coefficient in this case is less than integer. 通过在原始和频移的双侧频带调幅信号中滤除无关的非层叠有用信号无线电信号就可以获得一个整数相关系数。 By filtering out the original and the frequency shift of bilateral band AM signal in the non-laminated useful signal independent radio signal can get an integer correlation coefficient.

[0139] 在图14中采用一种交叉自相干恢复(SCORE)处理器350来执行对一个多天线接收的数据信号x(t)的恢复。 [0139] In FIG. 14 uses a self-coherent cross Recovery (SCORE) processor 350 to perform a multi-antenna reception data signal x (t) is restored. 处理器350首先通过一系列滤波,频移和共辄算子来处理接收的数据,产生一个仅仅和处理器瞄准的信号有关的信号u(t)。 First, the processor 350 through a series of filters, and frequency shift data co Noir operator to process the received, generating a signal related to the signal processor and a mere targeting u (t). 然后令原始和经过处理的信号义(1:)=11(1:)通过一对能够使合成器输出信号7(1:)='\„"1(1:)和1'(1:)=(3"11(1:)之间的相关系数最大的波束和空码调整器(线性元件合成器)352和354。用来瞄准处理器的控制参数有通常被设置成一个延迟算子的滤波器算子,频移值a和共辄标志(* )。这些处理器参数被设置在没有干扰时能够产生强大的相关系数的值,例如是在向处理器发送有用信号的情况下。 Then make original and processed signal righteousness (1:) = 11 (1 :) by a pair of enabling the synthesizer output signal 7 (1:) = '\ „ "1 (1 :) and 1' (1 :) = (3 "correlation coefficient 11 (1 :) beam between the maximum and empty code adjuster (linear element synthesizer) 352 and 354. The processor used to target control parameters are usually set as a delay operator filter operator, the frequency shift values of a and co Noir mark (*). These processors parameters are set when there is no interference can produce a strong correlation coefficient value, for example, send a useful signal to the processor in the case.

[0140] 图15和16表示在一般的代码选通SCORE操作中采用的代码选通操作。 [0140] FIG. 15 and 16 show the general code strobe Code strobe operation SCORE operations employed. 某些代码选通构造需要明显地修改扩展器和解扩展器数据流及其结构。 Some code strobe configuration requires significantly modify Expander reconciliation extended data stream and its structure. 本文中描述了可用于代码选通SCORE解扩展器自适应算法的一种方法。 This paper describes a method for code despreader strobe SCORE Adaptive Algorithm. 也存在能够在分组之间或是频率单元内部而不是频率单元之间执行代码选通的其他方法。 There are also other ways to execute code in between strobe frequency grouping or internal unit instead of the frequency unit. 例如是跨着偶数分组的KMll个基带符号用选通代码重复数据符号,而不会影响到通过扩展器和解扩展器的数据流。 For example, across the KMll baseband symbol even a packet of data symbols with repetition strobe code, but does not affect the settlement expansion by extending the data stream.

[0141] [0141]

Figure CN102983893BD00181

[0142] [0142]

Figure CN102983893BD00191

[0143] 代码选通自相干恢复吸取了通信系统已经具备了自相干信息的优点,为自适应扩展器带来便利,但是只有取得通信系统中的选通信息才能知道这种信息。 [0143] code strobe recovery lessons from coherent communication system already has the advantage of self-relevant information, bringing convenience to the adaptive expander, but only to obtain a communication system gating information in order to know this information. 本发明包括了两种代码选通SCORE方法。 The present invention includes two codes strobe SCORE methods.

[0144] 最适合用于多址联接通信的一种自相干恢复方法包括在扩展操作之前对基带电文信号采取唯一代码选通操作,它对通信系统中的每一个链路都是唯一地确定的。 [0144] the most suitable method for multiple access communications from coherent recovery methods include extended operation before taking a unique code gating operation on the baseband message signal, its communication system each link is uniquely determined . 例如,如果将频率单元的各单元分割成偶数和奇数两个子集,而仅仅对奇数子集采用代码键,如图15和16所示。 For example, if the frequency of cells dividing each unit into two subsets of the even and odd, but only for the odd subset using the code key, as shown in FIG. 15 and 16. 在偶数子集上采用图11及有关说明所示的方法扩展数据符号。 11 and for a description of the use of the method shown in the extended data symbol even subset.

[0145] 对奇数子集也跨越采用类似的扩展方法。 [0145] The odd subset also extend across a similar method. 然而,首先对用这些单元发送的数据符号执行代码选通操作,将这些单元乘以对网络中每一个用户m都不同的一个恒定模数代码键(3〇11) = [(34(111)]。这种操作在多址联接解扩展器上是相反的。在解扩展操作之后但又在对偶数和奇数频率单元上采用的解扩展器的输出加以组合之前用奇数频率单元乘以共辄的代码键c* (m)。在一个单用户(SCSS)收发信机上,仅仅对这一SCSS收发信机采用的单个代码键执行代码选通操作。在获取单一分组的过程中,在线性组合操作之前将解扩展的(共辄)代码键提供给每个收发信机天线上接收的每个奇数频率单元。 First, however, the data symbols sent by these units execute code gating operation, these units will be multiplied by each user on the network have a different one of m constant modulus code key (3〇11) = [(34 (111) ]. This operation in a multiple access despreader on opposite After despreading operation but prior to despreader on even and odd unit with an output frequency to be combined with odd frequency multiplied by the total Noir unit The code key c * (m). In a single-user (SCSS) transceiver, just execute code gating operations on a single code key that SCSS transceiver used in the process of obtaining a single packet, the linear combination The despread (co Noir) code key provided to each of the odd-numbered frequency units received on each transceiver antenna before operation.

[0146] 代码选通操作的效果是让用这种代码键发送的信号在奇数频率单元乘以解扩展代码键之后在偶数和奇数频率单元之间具有统一的相关系数。 [0146] code strobe effect is to make the operation of the signal sent by this code key, after odd-frequency unit multiplied by the despreading code key in between even and odd frequency unit having a uniform correlation coefficient. 反之,同样的代码选通操作会使采用不同的代码键发送的所有其他信号在偶数和奇数频率单元之间具有很小的相关系数。 Conversely, the same code strobe operation will use different codes for all other signals transmitted between key even and odd frequency unit has a very small correlation coefficient. 除非在接收信号上出现(假设未知的)延迟和Doppler频移,都会保持这种状态。 Unless it appears on the received signal (assuming unknown) delays and Doppler frequency shift, it will remain in this state. 然后跨越将所得的信号直接输入到图14所示的交叉-SCORE算法,在其中用偶数(没有选通的)频率单元代替x(t),而用奇数(选通的)频率单元代替u(t),其中的t代表符号索引q=l,. . .,KOTll而不是时间索引。 The resulting signal is then leap directly into the Figure 14 cross -SCORE algorithm, which use even (no gating) Frequency unit instead of x (t), but with an odd number (gated) Frequency unit instead of u ( t), where t represents the symbol index q = l ,..., KOTll not a time index. 解扩展加权能够使施加于偶数和奇数频率单元的解扩展信息合成器的输出之间的相关系数最大。 Despreading weighted correlation coefficient solution enables extended information synthesizer output frequency is applied to the even and odd units between the largest.

[0147] 这种方法仅仅根据一个链路上已知的代码键就能够明确地检测和解扩展网络中的任何链路。 [0147] This method is based solely on a known link code key can be clearly detected in any of reconciliation extended network link. 在单用户SCSS收发信机中,收发信机仅仅对与其通信的链路解扩展,不需要额外的操作来获得这一链路以及识别它传送的信号准确与否。 In single-user SCSS transceiver, transceiver only link extension to its communications solutions, no additional action to obtain the signal of the transmission links and identify it accurately or not. 如果由于在长途传输中出现"端口混洗"等不利信道条件而暂时丢失,还能够自动恢复链路。 If a "port shuffling" and other adverse channel conditions in the long-distance transmission and temporarily lost, but also can automatically restore links. 在多用户SCMA收发信机上,这种方法仅仅根据用节点链接到收发信机时使用的已知代码键就能够明确地检测,解扩展以及识别收发信机所支持的每一条链路,不会随着信道条件的变化出现端口调动或混洗。 On multiuser SCMA transceiver, this method is only used in accordance with known code key node when the link to the transceiver can be used to detect a clear, despread and identifying transceiver supports each link, will not With the change in channel conditions appear port transfer or shuffling. 这种代码键可以通过包括代码选通操作在内的扰频而实现保密。 This secret code key may be achieved by including code gating operation, including scrambled.

[0148] 还可以用多种方式来概括基本的代码选通SCORE方法。 [0148] can also be used in many ways to summarize basic code strobe SCORE methods. 特别是可以对偶数和奇数频率采用代码键,这样就能提高安全性和去除频率单元之间的相关性。 Especially even and odd frequency can use a code key, so that we can improve the safety and the removal of the correlation between the frequency unit. 代码选通还可以应用于时间而不是频率,采用偶数分组期间被忽略并且在奇数分组期间在所有频率单元上执行的代码选通在后续的分组上发送数据符号。 Code gating also can be applied to time instead of frequency, even during the use of the packet is ignored and the code executed during the odd grouping at all frequencies strobe unit transmits data symbols on subsequent packets. 如果将扩展码在这些成对的分组上保持不变,这种方案就能够使用更加有效的自动-SCORE方法来适应解扩展加权。 If the spreading codes on these pairs of groups remains unchanged, this scheme will be able to use more efficient methods to adapt automatically -SCORE despreading weights.

[0149] [0149]

Figure CN102983893BD00211

[0150] 还可以在系统中使用大量的频率或分组子集,每一个子集采用一组独立的代码键。 [0150] You can also use a lot of frequency or grouping subsets of the system, each subset using a separate set of code key. 在这种情况下,解扩展器采用从交叉-SCORE本征方程的超级矢量解释中获得的一种广义的交叉SCORE方法。 In this case, the despreader uses a broad cross SCORE obtained from the cross--SCORE Eigenequation super vector interpretation. 参见B.Agee,"TheProperty-RestoralApproachtoBlind AdaptiveSignalExtraction,',inProc. 1989CSI-AR0WorkshoponAdvancedTopicsin Communications,Mayl989,Ruidoso,NM;和B.Agee,ThePropertyRestoralApproachto BlindAdaptiveSignalExtraction,',Ph.D.Dissertation,UniversityofCalifornia, Davis,CA,Junel989。收发信机所能支持的多址联接通信的数量随着频率子集数量的增多而下降,但是加权计算的稳定性有所改善,噪声下降,并且这种算法的非多层载波排除能力保持不变。频率子集数量的限制等于扩展系数Ksp_d。 See B.Agee, "TheProperty-RestoralApproachtoBlind AdaptiveSignalExtraction, ', inProc 1989CSI-AR0WorkshoponAdvancedTopicsin Communications, Mayl989, Ruidoso, NM;. And B.Agee, ThePropertyRestoralApproachto BlindAdaptiveSignalExtraction,', Ph.D.Dissertation, UniversityofCalifornia, Davis, CA, Junel989. Number transceiver can support multiple access communications with the increase in the number and frequency subset decreased, but the weighted improved stability, decreased noise, and this algorithm is to exclude the non-multi-carrier capability remains Variable Limiting the number of equal frequency subset expansion coefficient Ksp_d.

[0151] 代码选通自相干恢复方法采用多单元自相干恢复本征方程的占优模式直接从信道化数据超级矢量中提取有用的基带信号。 [0151] code gating from coherent multi-unit recovery methods to extract useful baseband signal from the coherence recovery Eigenequation dominant mode of data directly from the channel super vector. 该方法同时执行频率相关的空间滤波,在扩展的有用信号上的每一个单元内部组合天线元,并且对结果的数据信号解扩展,组合成频率单元。 The method while performing frequency-dependent spatial filtering, over an extended useful signal of each antenna element combinations within a unit, and the data signal despreading on the results, a combination of frequency unit.

[0152] 只要接收的数据分组可达到的最大解扩展和波束成形SINR是正的,代码选通自相干恢复方法就能在正或负接收SINR上有效地操作。 [0152] Just received data packets can reach the maximum despreading and beamforming SINR is positive, the code gating from coherent recovery method can effectively operate on the positive or negative reception SINR. 该方法可作为一种固有的解扩展,线性组合算子来适应天线阵列。 This method can be used as despreading an inherent linear combination operators to adapt to the antenna array. 对任意数量的天线,包括K_ay=l的单一天线系统可以采用相同的方法。 Any number of antennas, K_ay = l comprises a single antenna system can be used in the same manner. 代码选通自相干恢复方法在其任何执行点上不需要预先知道扩展增益或是基础的电文序列。 Code gating from coherent recovery method does not require prior knowledge of either spreading gain based message sequence on any point of execution. 这种方法不需要对解扩展的电文序列搜索时间或Doppler频移。 This method does not require the despread message sequence search time or the Doppler frequency shift.

[0153] 代码选通自相干恢复本征方程的占优本征值用来在首次开通通信链路时检测新的信号分组。 [0153] code gating from coherent recovery Eigenequation dominant eigen values are used to detect the new signal packet communications link when it is first opened. 接收机根据需要工作,在通信信道中发送一个分组时向另一端返回脉冲。 The receiver according to need to work, in the communication channel transmitting a packet to the other end of the return pulse.

[0154] 也可以采用其他方法在代码选通自相干恢复之后提高或有效地检测离散多音多层载波数据分组。 [0154] Other methods may also be used to improve or effectively detect discrete multi-tone multi-carrier data packet after the code from the coherence recovery strobe. 特别是用代码选通自相干恢复本征方程的少数占优本征值来预测最大代码选通自相干恢复本征值的平均和标准偏差,从而大大提高了检测可靠性。 Especially the use of the code strobe from coherent recovery Eigenequation few dominant eigen values to predict the maximum code strobe coherent recovery from the average and standard deviation of the intrinsic value, thus greatly improving the detection reliability. 然后用预测的平均值减少真实的最大本征值,并且按照预测的标准偏差定标,大大加强了正确检测的统计趋势。 Then reduce the real maximum eigen values mean predictable and scaled according to the prediction of deviation standard, greatly strengthened properly detect statistical trend.

[0155] 其他方法是在代码选通自相干恢复期间采用下游解扩展和解调算子确保分组检测。 [0155] Other methods are in the code strobe recovery period from coherent despreading and demodulation using downstream operators ensure packet detection.

[0156] 在获取第一数据分组期间的初始Doppler恢复采用频域模拟的空间分级均衡器, 在全重建的接收地点FFT提取第一数据分组,并且用一种线性内插法对下变换到发射地点频率重建的结果输出信号执行副采样。 [0156] In obtaining the first data packet during the initial recovery of Doppler frequency domain simulation of spatial hierarchy equalizer at the receiving location to extract the full reconstruction of the first data packet FFT, and with a linear interpolation of the downconverted to launch Location frequency output signal reconstructed Executive Vice sampling results. 采用适当的自适应方法对单音中心的数据执行线性组合加权再采样。 Data using appropriate adaptive method for performing a linear combination of the tone center weighted resampling. 采用最小二乘方特性恢复算法例如是恒定模数法尽量减少解扩展数据符号的模数变化。 Using a least squares algorithm, for example, the number of properties restored constant molding to minimize the despread data symbols modulus change. 最小二乘方恒定模数法吸取了采用BPSK调制格式产生的发射数据单音的特性具有恒定模数的优点,但是,如果发射的信号经历的Doppler频移是单音间隔的非整数倍数,这一特性就被破坏了。 Least squares method draws constant modulus characteristic tones generated by using BPSK modulation format has the advantage of transmitting data in a constant modulus, however, if the Doppler signal is transmitted through the frequency shift is a non-integer multiple of the tone spacing, which a feature was destroyed. 最小二乘方恒定模数法为解扩展器输出信号恢复这一特性。 Number of least-squares method for the constant modulus despreader output signal recovery this feature. 所有这些操作都是在明显的Doppler频移和路径延迟环境下执行的。 All these operations are frequency shift and path delay in the execution environment apparent Doppler. 参见B.Agee, "TheLeast-SquaresCMA:ANewApproachtoRapidCorrectionofConstantModulus Signals,"inProc.1986,InternationalConferenceonAcoustics,SpeechandSignal Processing,Vol. 2,pg. 19. 2. 1,Aprill986,Tokyo,Japen〇 See B.Agee, "TheLeast-SquaresCMA: ANewApproachtoRapidCorrectionofConstantModulus Signals," inProc.1986, InternationalConferenceonAcoustics, SpeechandSignal Processing, Vol 2, pg 19. 2. 1, Aprill986, Tokyo, Japen〇.

[0157] 有两种方法可以用来为数据传输产生天线阵列加权。 [0157] There are two methods that can be used to generate weighted data transmission antenna array. 反向传输与共轭接收加权成比例地设置发射加权,而定向模式与共轭分组控制矢量成比例地设置发射加权。 Reverse Transfer conjugated receive weight in proportion to the set emission-weighted, and directional mode conjugated packet control vector set emission proportionally weighted. 反向模式最适合民用电信和军用射程内部通信应用,干扰信号可能是一个多点通信网络中的其他成员。 Reverse mode best suited to a range of civil and military telecommunications intercom applications, the interference signal may be a multi-point communications network other members.

[0158] 定向模式最适合用于发报机主要关心隐蔽性而人为干扰和截听平台并不处在同一位置的应用场合。 [0158] directional mode is best suited for transmitter hidden primary concern while jamming and interception of internet applications are not in the same position. 这种模式在通信平台遭受强烈干扰的应用中是有用的,为了在存在干扰无线电辐射的情况下通信,必须向通信链路的另一端传送最大的功率。 This mode is useful in communications platform subjected to strong interference applications, to communicate in the presence of interference with radio radiation, maximum power must be transferred to the other end of the communications link. 然而,这种方法对合作通信系统中来自其他干扰的定向能量不具有吸引性质。 However, this approach to cooperation directional communication system does not interfere with the energy from the other properties have attracted.

[0159] 定向模式还提供了一种乘法器适应策略,如果空间链路采用很大的匹配扩展系数,就能够大大简化解扩展器的复杂性。 [0159] directional mode also provides a multiplier adaptation strategies, if space link employs a large expansion coefficient matching, it can greatly simplify the despreader complexity.

[0160] 本文中描述了反向传输模式。 [0160] As used herein describes the reverse transfer mode. 反向模式是将发射机天线阵列加权设置在等于信号接收期间算出的共辄阵列加权。 Reverse mode is set during a transmitter antenna array signal reception weighting equal to the calculated total Noir array weights. 如果发射和接收算子落在同一个频带上,并且发射和接收路径之间的任何内在差别是均衡的,发射机天线阵列就采用与接收机天线阵列相同的增益图形。 If the transmitter and receiver operator falls on the same frequency band, and transmit and receive path of any inherent difference between the balance of the transmitter and receiver antenna array on the use of the same antenna array gain graphics. 发射机天线阵列在信号接收期间可能出现干扰的方向上评估无效的方向。 Invalid direction assess the direction of the transmitter antenna array interference that may occur during signal reception. 各个方向上采用的无效深度是根据接收到的干扰强度来确定的。 In all directions using invalid depth is based on the received interference intensity determined.

[0161] 在本文中,gk是一个Ka"ayXI矢量,并且代表在通过频率单元"K"发射时采用的多元扩展矢量,接收机通过频率单元"K"接收时采用的多元解扩展矢量用wk代表,它也是一个K_ayXl矢量。 [0161] In this context, gk is a Ka "ayXI vector, and represents the frequency unit" K "when transmitting a plurality of spreading vector used, the frequency of the receiver unit by" multiple despreading vector used when receiving K "by wk representatives, it is also a K_ayXl vector.

[0162] 本发明的实施例为频率选择发射加权提供了一种最佳结构,在每个扩展单元上采用不同的一组Ka"ayXl个扩展(gk)加权对发射分组进行扩展。设置一种频率选择反向发射加权,与信号接收期间在每个频率单元上采用的K_ayX1个线性合成器解扩展加权^成比例地设置(多元)扩展增益&,使gk=Awk。这种模式对于受宽带干扰源支配的环境特别有效,因为产生的无效深度会受到在每个频率单元上采用的天线阵列分散的限制。在这种情况下,处理器能够使干扰源在频率和空间上无效。发射机天线阵列仅仅使干扰源所占据的那些频率单元上的各个干扰源无效。这样有利于接收有用信号分组,但是,如果将目标对准在整个分组通频带上远离干扰源位置的分组无线电信号,并不影响发射一个分组。如果局部频带干扰源的数量超过了天线阵列中的天线元数量,任何手段都不能达到这一目的。 [0162] Embodiments of the present invention is a frequency selection provides an optimum transmit weight structure, using a different set of Ka on each expansion unit "ayXl extended (gk) Weighted transmit packet expansion. Setting a reverse transmission frequency selective weighted linear combiner and K_ayX1 at each frequency during signal reception unit uses the weighted despread ^ proportionally set (poly) spreading gain &, so that gk = Awk. This model for the subject Broadband sources of interference dominated environment particularly effective because invalid depth generated will be distributed antenna array limit on each frequency unit used. In this case, the processor enables the invalid interference sources in the frequency and space. The transmitter various interference sources so that the antenna array only those interferer frequency cells occupied by invalid. This is conducive to the useful signal received packets, however, if the entire packet is targeted away from the pass band packet radio signal interference source location, and does not affect the emission of a packet. If the number of partial band interference sources exceeds the number of antenna array of antenna elements, any means can not achieve this goal.

[0163] 定向传输模式将发射机天线阵列加权设置在等于(共辄的)K_ayX1分组控制矢量。 [0163] directional transmission mode of the transmitter antenna array is set equal weighting (of Noir's) K_ayX1 packet control vector. 如果发射和接收算子落在同一个频带上,通过适当地均衡以往发射/接收切换过程中在发射和接收路径之间的任何差别而获得的天线阵列就能将最大无线电功率指向通信链路的另一端,或者是用最小发射无线电能量关闭这一链路。 If the transmitting and receiving operator fall on the same frequency band, by appropriately balancing the conventional transmitting / receiving antenna array handover process any difference between the transmit and receive paths can be obtained in the maximum power point radio communication link the other side, or is close to this minimum transmit radio energy link. 定向天线会忽略干扰源的位置, 例如,它仅仅是假设截听机是处在通信链路范围内的任何位置。 Directional antenna will ignore the position of the interference source, for example, it is assumed that only interception machine is anywhere within the range of the communication link at.

[0164] 本发明能够在频率选择的基础上实现定向方法。 [0164] The present invention can achieve directional method selected on the basis of frequency. 它可以提供一些好处,但是宽带通信;链路例外,因为分组控制矢量在分组通频带上变化的范围很大,有大量的1^_,值,或者是通信信道高度分散。 It can provide some benefits, but broadband communications; link exception, because the packet control vector in the range of packet communication bands change greatly, there are a lot of 1 ^ _, value, or the communication channel is highly fragmented. 然而这并不重要,因为最大功率模式不会受到分组控制矢量中的次要误差的严重损害。 However, this is not important, because the maximum power mode are not severely damage the grouping control vector of minor errors.

[0165] 如果通信链路受到强烈的人为干扰,或者是必须在短通信间隔例如是单个分组内评估分组控制矢量,评估的误差可能会很大。 [0165] If the communication link by the strong human disturbance, or the communication is a must in a short interval, for example, to assess the control vector grouping within a single packet, error assessment can be significant. 特别是过于简单的方法会造成定向发射机天线阵列指向环境干扰源发射能量的强大波束。 Especially simplistic approach would lead directional transmitter antenna arrays pointing environmental interference source emits a powerful beam of energy. 定向传输方法或是分组控制矢量评估器应该简单到足以用廉价手段来实现,但是又要完善到足以在人为干扰和传输环境的预期范围内可靠地工作。 Directional transmission method or the packet control vector evaluator should be simple enough to use low-cost means to achieve, but have to improve enough to work reliably in the expected range of human interference and transmission environment.

[0166] 有三种控制矢量评估方法可供选择。 [0166] There are three control vector evaluating alternative methods. 第一是相关方法,利用接收和评估的分组数据之间的关系来评估分组控制矢量。 The first is related methods, packet data using the relationship between the reception and evaluation to assess packet control vector. 第二是多元ML-类比方法,采用按照适当的简化条件和存在频道复用(多元)数据的情况下获得的最大似然性(ML)评估器来评估分组控制矢量。 The second is a multi-ML- analogy method using maximum likelihood (ML) estimator under conditions and in accordance with appropriate simplification presence channel multiplexing (multivariate) data are available to assess the group acquired control vector. 第三是参变量方法,采用适当的参变量模型来约束分组控制矢量,从而进一步优化多元评估器。 The third is the parametric method, using the appropriate parametric model to constrain the packet control vector, thus further optimizing multivariate evaluator.

[0167] 相关方法是用来评估分组控制矢量的三种方法当中最简单的方法。 [0167] Related methods are used to evaluate three methods of grouping vector control among the easiest way. 这种方法的弱点是,考虑到存在单一干扰源的条件下获得的评估,这种评估缩小到按照接收的干扰源和分组信号之间的交叉关联定标的分组控制矢量加上干扰源控制矢量。 The weakness of this approach is to assess the conditions, taking into account the existence of a single source of interference obtained, according to this assessment down to the source of interference and cross-correlation between the received packet signal scaling packet control vector plus interference source control vector . 为了将这一交叉关联减少到零所需的时间-带宽产物(采样)远远大于干扰源信号的1/S,例如,如果干扰源比分组信号强五十dB,就需要1,000,000个采样。 In order to reduce the cross-correlation to the time required to zero - Bandwidth product (sample) is much larger than the interference source signal 1 / S, for example, if the signal is strong interferer group score fifty dB, samples need 1,000,000 . 因此,这种方法通常是不可取的。 Therefore, this method is usually not desirable.

[0168] 其它两种方法利用优化的最大似然性(ML)评估程序评估分组控制矢量来克服这种限制。 [0168] the other two methods of using the optimized maximum likelihood (ML) assessment procedures to assess the packet control vector to overcome this limitation. 产生的评估结果能够利用简单(非参变量)或是参变量控制矢量模型在存在宽带或是局部频带干扰源的条件下提供精确的控制矢量评估值。 Evaluation results can be produced using a simple (non-parametric) or control vector parametric model provides precise control vector evaluation value in the presence of a local band or broadband sources of interference conditions. 另外还可以用常规的Cramer-Rao边界分析来预测这些评估值的性能。 Also you can use a conventional Cramer-Rao boundary analysis to predict the performance of these assessment values.

[0169] 为多元环境中获得的任何非参变量控制矢量评估推导出有用的性能边界。 [0169] Any non-parametric variables obtained pluralistic environment control vector evaluating derive useful performance boundaries. 将接收的数据分割成Kspread个独立频率单元,每个单元中包含一个按照未知的复合控制矢量定标并且受到额外的复合Gaussian干扰影响的已知(或是估算的)分组基带。 The received data into Kspread independent frequency units, each unit contains a compound according to the unknown control vector scaling and subject to additional interference complex known Gaussian baseband packet (or estimates). 用ak=gk来模拟Pe单元中的控制矢量,其中的"a"是(频率独立的)分组控制矢量,而gk是在第Kth 个扩展单元上获得的无矢量接收到的单一天线分组扩展增益。 With ak = gk to simulate Pe unit control vector, where "a" is the (frequency independent) packet control vector, while a single antenna without vector gk is the first expansion units obtained Kth packet received spread gain . 假设复合Gaussian干扰对各个单元是独立的,并且在第Kth个单元中暂时写入平均值零和未知的自相关矩阵 Suppose complex Gaussian interference is independent for each unit, and the first units are temporarily written Kth zero mean and unknown autocorrelation matrix

[0170] 假设分组控制矢量a是Karray维的Karray维矢量的一种任意复合体,例如, a不仅局限于任何参变量模型组(例如以方位角和仰角为参变量的矩阵集合)。 [0170] Suppose a packet control vector is an arbitrary complex Karray dimensional Karray dimensional vector, for example, a parametric model is not limited to any group (such as matrix set to azimuth and elevation as the reference variable). 采用这种模型建立起来的控制矢量评估例如有非参变量技术。 Using this model is set up to assess the control vector for example, a non-parametric techniques. 参见H.VanTrees,Detection, Estimation,andModulationTheory,PartI,NewYork:Wiley,1968。 See H.VanTrees, Detection, Estimation, andModulationTheory, PartI, NewYork: Wiley, 1968. 米用Cramer-Rao边界理论,就能够获得任何无偏差的评估值,它具有由给定的Cramer-Rao边界所界定的评估精度(均方根误差)。 Rice with Cramer-Rao boundary theory, it is possible to obtain any unbiased evaluation value, which has given the Cramer-Rao boundaries as defined in the assessment accuracy (RMSE). 矩阵R被翻译成干扰自相关矩阵Kyj的广义的"平均",它等于平均的逆自相关矩阵的倒数。 Is translated into interference matrix R autocorrelation matrix Kyj generalized "average", which is equal to the reciprocal of the average of the inverse autocorrelation matrix.

[0171] 在最佳实施例中,空间控制矢量和频谱扩展增益(gk)是采用以下公式来计算的 [0171] In the preferred embodiment, the spatial and spectral spreading vector control gain (gk) is calculated using the following formula

Figure CN102983893BD00241

[0176] 其中的RHKHK是在频谱单元K的一个适配块上测量的数据自相关矩阵,而wk是频谱单元K上采用的解扩展加权的空间分量。 [0176] where RHKHK is measured on an adapter block K spectral elements of data from the correlation matrix, and wk is the weighting of the space component of the despread spectrum unit K used. 控制矢量和解扩展增益还可以用来计算改进的解扩展加权wk,然后可以在多级解扩展程序中用来执行空间处理(每个频率单元的线性组合)以及频谱处理(所有频率单元的线性组合)。 Despreading gain control vector can also be used to calculate the weighted despread improve wk, then can be used to perform spatial processing (linear combination of frequency for each unit) and a spectrum processing (all linear combinations of frequency unit in a multi-stage despreading program ).

[0177]图1-14所示的多层载波扩展频谱无线电通信设备结合了本发明其它实施例提供的空码技术。 Multi-carrier spread spectrum radio communication equipment [0177] FIG 1-14 combined with other embodiments of the present invention is to provide a space code technology. 空码干扰消除技术能够与多层载波扩展频谱技术有效地组合。 Empty yard interference cancellation technology can be effectively combined with multi-carrier spread spectrum technology. 关于空码技术的详情可参见BrianAgee"SolvingtheNear-FarProblem:ExploitationofSpatial andSpectralDiversityinWirelessPersonalCommunicationNetworks,"Wireless PersonalCommunications,editedbyTheodoreS.Rappaport等人,KluwerAcademic Publishers,1994,Ch. 7。 For details on empty code technology can be found in BrianAgee "SolvingtheNear-FarProblem: ExploitationofSpatial andSpectralDiversityinWirelessPersonalCommunicationNetworks," Wireless PersonalCommunications, editedbyTheodoreS.Rappaport et al., KluwerAcademic Publishers, 1994, Ch 7.. 以及参见Sourour等人的"TwoStageCo-channelInference CancellationinOrthogonalMulti-CarrierCDMAinaFrequencySelectiveFading Channel,"IEEEPDffiC'94,pp. 189-193。 And see Sourour et al "TwoStageCo-channelInference CancellationinOrthogonalMulti-CarrierCDMAinaFrequencySelectiveFading Channel," IEEEPDffiC'94, pp. 189-193. 还可以参见Kondo等人的"MultiCarrierCDMA SystemwithCo-channelInferenceCancellation,"Marchl994,IEEE,#0-7803-1927, pp. 1640-1644。 You can also see Kondo et al. "MultiCarrierCDMA SystemwithCo-channelInferenceCancellation," Marchl994, IEEE, # 0-7803-1927, pp. 1640-1644.

[0178] 图1-14所示的基本多层载波扩展频谱无线电通信设备可以组合在本发明的多址联接实施例中,同时按照空间,频率和/或代码来分隔独立的信道,例如是空分多址联接(SDMA),频分多址联接(FDMA)和码分多址联接(CDMA)。 Basic multi-carrier spread spectrum radio communication equipment [0178] FIG. 1-14 can be combined in multiple access embodiment of the present invention, at the same time according to space, frequency and / or code to separate independent channels, such as empty division multiple access (SDMA), frequency division multiple access (FDMA) and code division multiple access (CDMA).

[0179] 在SDMA实施例中采用的天线阵列可以在空间上有选择地定向,例如是建立两个最小区域。 [0179] In SDMA antenna array employed in the embodiments may be selectively oriented in space, such as the establishment of the two smallest regions. 每一个区域中的发射和接收机对将其对应的天线阵列调谐到仅仅接受其所属的发射机-接收机对中的另一方,排除出现在其它多址联接信道的其它区域中的其它对。 Each region of the transmission and receiver antenna arrays corresponding transmitter tuned to accept only it belongs - on the other side receiver, exclude the presence of other regions in other multiple access channel in the other pair. 本发明的实施例通过将SDMA技术与多层载波扩展频谱技术加以组合来进行自身识别。 Embodiments of the present invention by the SDMA technology and multi-carrier spread spectrum techniques are combined to identify itself. 关于SDMA的进一步细节可参见Forssen等人的"AdaptiveAntennaArraysfor GSM900/DSC1800,"Marchl994,IEEE#0-7803-1927,pp. 605-609。 Further details can be found in Forssen SDMA et al. "AdaptiveAntennaArraysfor GSM900 / DSC1800," Marchl994, IEEE # 0-7803-1927, pp. 605-609. 还可以参见Talwar等人的"ReceptionofMultipleC〇-ChannelDigitalSignalsusingAntennaArrayswith ApplicationstoPCS," 1994,IEEE#0-7803-1825,pp. 790-794。 See also Talwar et al., "ReceptionofMultipleC〇-ChannelDigitalSignalsusingAntennaArrayswith ApplicationstoPCS," 1994, IEEE # 0-7803-1825, pp. 790-794. 还可以参见Weis等人的"ANovelAlgorithmForFlexibleBeamFormingforAdaptiveSpaceDivision MultipleAccessSystems,"IEEEPn®C'94,pp.729a-729e。 You can also see Weis, et al. "ANovelAlgorithmForFlexibleBeamFormingforAdaptiveSpaceDivision MultipleAccessSystems," IEEEPn®C'94, pp.729a-729e. CDMA与天线阵列的组合可参见Naguib等人的"PerformanceofCDMACellularNetworkWithBase-Station AntennaArrays:TheDownlink," 1994IEEE,#0-7803-1825,pp. 795-799。 A combination of CDMA and the antenna array can be found Naguib et al., "PerformanceofCDMACellularNetworkWithBase-Station AntennaArrays: TheDownlink," 1994IEEE, # 0-7803-1825, 795-799 pp.. 以及Xu等人的"ExperimentalStudiesofSpace-Division-Multiple-AccessSchemesforSpectral EfficientWirelessCommunications," 1994IEEE,#0-7803-1825,pp. 800-804。 And Xu et al., "ExperimentalStudiesofSpace-Division-Multiple-AccessSchemesforSpectral EfficientWirelessCommunications," 1994IEEE, # 0-7803-1825,. 800-804 pp. 还可以参见M.Tangemann的"InfluenceoftheUserMobilityontheSpatialMultiplexGain ofanAdaptiveSDMASystem,"IEEEPDffiC'94,pp.745-749〇 See also M.Tangemann of "InfluenceoftheUserMobilityontheSpatialMultiplexGain ofanAdaptiveSDMASystem," IEEEPDffiC'94, pp.745-749〇

[0180] 在FDMA实施例中,对每个信道采用多个载波的子集,例如是最小的两个子集,各自具有最小的两个频率分集载波用来建立最小的两个信道。 [0180] In FDMA embodiment, each channel uses a subset of the plurality of carriers, for example, is the smallest of the two subsets, each having a minimum of two frequency diversity carrier used to establish a minimum of two channels. 每一个区域中的发射和接收机对将其对应的载波子集调谐到排除出现在其它多址联接信道的其它载波子集。 Each transmitter and receiver regions corresponding to the subset of carriers tuning to exclude the presence of other carriers in the subset of other multiple access channel. 本发明的实施例通过将FDMA技术与多层载波扩展频谱技术加以组合来进行自身识别。 Embodiments of the present invention by the FDMA technology and multi-carrier spread spectrum techniques are combined to identify itself.

[0181] 在CDMA实施例中采用了多个扩展和解扩展加权,每一组用于各自的信道。 [0181] In the CDMA embodiment uses a plurality of spread and despread weights, each group for its own channel. 在全球定位系统(GPS)中的导航接收机就是采用了这种多址联接方式。 Global Positioning System (GPS) navigation receiver is the use of such multiple-access connection mode. 本发明的实施例将CDMA 技术与图1-14的多层载波扩展频谱技术加以组合而超越了现有技术。 Embodiments of the present invention will be CDMA technology and multi-carrier spread spectrum techniques Figure 1-14 are combined and beyond the prior art. 关于CDMA在多载波环境中的应用可以参见Fettweis等人的"OnMulti-CarrierCodeDivisionMultiple Access(MC-CDMA)ModemDesign," 1994IEEE#0-7803-1927,pp. 1670-1674。 About CDMA applications in a multi-carrier environment can be found in Fettweis et al. "OnMulti-CarrierCodeDivisionMultiple Access (MC-CDMA) ModemDesign," 1994IEEE # 0-7803-1927, pp. 1670-1674. 还可以参见DaSilva等人的"MultiCarrierOrthogonalCDMASignalsforQuasi-Synchronous CommunicationSystems,''IEEEJournalonSelectedAreasinCommunication,Vol. 12, No. 5,Junel994。还可以参见Reiners等人的"MultiCarrierTransmissionTechnique inCellularMobileCommunicationSystems,"March1994,IEEE#0-7803-1927, pp. 1645-1649。进一步参见Yee等人的"Multi-CarrierCDMAinIndoorWirelessRadio Networks,"IEEETrans.Comm.,Vol.E77_B,No. 7,Julyl994,pp. 900-904。在信道衰落环境下使用CDMA可以参见StefanKaiser的"OnthePerformanceofDifferentDetection Techniquesfor0FDM-CDMAinFadingChannels,"InstituteforCommunication Technology,GermanAerospaceResearchEstablishment(DLR),Oberpfaffenhofen, Germany,1994。以及参见Chandler等人的"AnATM-CDMAAirInterfaceForMobile PersonalCommunications,"IEEEPIMRC'94,pp. 110-113。关于这种技术的进一步描述还可以参见Chouly等人的"Orthogonalmulticarriertechniquesappliedtodirect sequencespreadspectrumCDMAsystems,'' 1993IEEE,#0-7803-0917,pp.l723_1728〇 See also DaSilva et al. "MultiCarrierOrthogonalCDMASignalsforQuasi-Synchronous CommunicationSystems, '' IEEEJournalonSelectedAreasinCommunication, Vol. 12, No. 5, Junel994. You can also see Reiners et al." MultiCarrierTransmissionTechnique inCellularMobileCommunicationSystems, "March1994, IEEE # 0-7803-1927, pp . 1645-1649. With further reference to Yee et al., "Multi-CarrierCDMAinIndoorWirelessRadio Networks," IEEETrans.Comm., Vol.E77_B, No. 7, Julyl994, pp. 900-904. use CDMA in fading environment can be found in StefanKaiser of "OnthePerformanceofDifferentDetection Techniquesfor0FDM-CDMAinFadingChannels," InstituteforCommunication Technology, GermanAerospaceResearchEstablishment (DLR), Oberpfaffenhofen, Germany, 1994. and see Chandler et al., "AnATM-CDMAAirInterfaceForMobile PersonalCommunications," IEEEPIMRC'94, pp. 110-113. about this technology further Description You can also see Chouly et al. "Orthogonalmulticarriertechniquesappliedtodirect sequencespreadspectrumCDMAsystems, '' 1993IEEE, # 0-7803-0917, pp.l723_1728〇

[0182] Bar-Ness等人在"SynchronousMulti-UserMulti-CarrierCDMACommunication SystemWithDecorrelatingInterferenceCanceller,"IEEE,PIMRC'94,pp. 184-188 中描述了多载波CDMA和解关联干扰消除技术的结合。 [0182] Bar-Ness et al., "SynchronousMulti-UserMulti-CarrierCDMACommunication SystemWithDecorrelatingInterferenceCanceller," IEEE, PIMRC'94, pp. 184-188 describes the multi-carrier CDMA reconciliation associated binding technology to eliminate interference.

[0183]用于多层载波扩展频谱无线电通信的多址联接方法包括根据多个离散频率信道各自的合成正弦波的合成的幅值和相位增益构成发射的多层载波扩展增益。 Multiple access method [0183] for multi-carrier spread spectrum multi-carrier radio communication comprising a plurality of discrete frequencies according to the spreading gain channel amplitude and phase synthesis of the synthesis of the respective gains of the sine wave configured emitted. 然后在发射机上用一个矢量乘法器和一个反向频道复用器来扩展一个任意的窄带基带数据。 Then on the transmitter with a vector multiplier and a reverse channel multiplexer to extend an arbitrary narrow baseband data. 下一步就是在按照多层载波扩展增益扩展到多个离散频率信道上之后从发射机同时发送。 The next step is in accordance with the multi-carrier extension after extension to gain a plurality of discrete frequency channels simultaneously transmitted from the transmitter. 接收机利用矢量内部产物线性合成器和频率复用器对多个离散频率信道解扩展,恢复出任意的窄带基带的扩展前信号,免除信道干扰。 Receiver utilizes linear vector product of internal frequency synthesizer and a plurality of discrete frequencies multiplexer channel despread to restore the narrow band before any expansion of the baseband signal, eliminating channel interference. 频道可以是不连续的并且分布在多个频带内。 Channel may be discontinuous and distributed in a plurality of frequency bands. 或者是在发射中采用重叠的频道,并且包括正交频分复用式调制格式。 Or is the use of overlapping channels in transmission, and includes an orthogonal frequency division multiplexing modulation format type. 或者是发射分组的数据,对基带数据进行扩展,发送,并且按照正交频分复用式的频道复用器结构对离散的分组解扩展。 Or transmit a packet of data to the baseband data expansion, sending, and in accordance with an orthogonal frequency division multiplexing type of channel multiplexer structure discrete packets despreading.

[0184] 分组在时间上可以是重叠,连续,或者是不连续的。 [0184] grouping can be overlapped in time, continuous or discontinuous. 在最佳实施例中,在从链路的另一端顺序接收完一或多个分组之后按顺序发送一或多个分组。 In the preferred embodiment, in order to receive from the other end of the link after completion of one or more packets in order to send one or more packets. 按顺序发送和接收多个分组能够实现不对称的通信,例如是在一个方向上传送比另一个方向上更多的分组,并且能够增加发送和接收之间的防护时间,例如可以用来在蜂窝通信网络中解决基站对基站的干扰问题。 Transmitting and receiving a plurality of packets in order to achieve asymmetric communication, for example, is transferred in one direction than the other direction more packets and can increase the guard time between transmission and reception, for example, it can be used in a cellular communication network base station to solve the interference problem of the base station.

[0185] 离散多音正交频分复用与具有离散多音多层载波和天线阵列处理技术的天线阵列处理技术的组合吸取了离散多音和离散多音多层载波没有扩散的优点。 [0185] Discrete Multi-Tone orthogonal frequency division multiplexing combination with discrete multi-tone multi-carrier and antenna array processing techniques antenna array processing techniques and learn the advantages of discrete multi-tone and no discrete multi-tone multi-carrier diffusion. 在任何应用中对自适应天线阵列性能的明显改善都需要能够消除空间干扰,在自适应接收机前面不需要调节静止或准静止的线性扩散(例如是由于前端接收机有缺陷,非零阵列孔径,以及固定的多径散射和反射)。 In any application significantly improved the performance of adaptive antenna arrays need to be able to eliminate space interference in front of the receiver does not need to adjust the adaptive stationary or quasi-stationary linear diffusion (for example, due to a defective receiver front-end, non-zero array aperture and fixed multipath scattering and reflection). 这一点在蜂窝式点-对-多点通信网络中特别有用,在这种网络中包括用于在同一组频道上供多个用户之间通信的空分多址联接(SDMA)拓扑逻辑,因为每个空间处理器必须在对这一网孔内的用户有干扰的方向上形成深度的无效。 This is in a cellular point - to - multipoint communications network is particularly useful in such networks include for space division multiple access (SDMA) communication between multiple users of the same group of channels for reference topology logic, because Each spatial processor must be on this user interference within a cell formed in a direction depth is invalid.

[0186] 码分多址联接(CDMA)采用线性独立(通常是正交)的各组扩展增益在同一组频道上发送多个信号。 [0186] code division multiple access (CDMA) using linearly independent (usually orthogonal) spread gain of each group transmits a plurality of signals on the same set of channels. 在解扩展器上采用适当的组合加权来分离这些信号。 Using appropriate combinations of weights on the despreader to separate these signals.

[0187] 直接序列扩频系统的优点在于空分多址联接式的多址联接,排除干扰,并且具有信道均衡能力(空码技术)。 Advantages [0187] direct sequence spread spectrum system is that space division multiple access type of multiple access, eliminate interference, and has the ability to channel equalization (empty code technology). 空码技术已经被应用于符号调制直接序列扩频(M0S-DSSS)或脉冲调制直接序列扩频(M0P-DSSS)格式,扩展增益的周期精确地等于电文符号的一个整数(往往是一个符号间隔)。 Empty code technology has been applied to symbol modulation direct sequence spread spectrum (M0S-DSSS) or direct sequence spread spectrum modulation pulse (M0P-DSSS) format, extend the period of the gain is exactly equal to an integer message symbol (often a symbol interval ). 空码技术和多层载波调制格式的组合是有用的,例如可以在HF/VHF跳频截听系统中用来消除频谱冗余干扰。 Empty combination code technology and multi-carrier modulation format is useful, for example, can be used to eliminate spectral redundancy interference in HF / VHF frequency hopping intercept system. 在现有技术中,已经配合着模仿对流层散射通信链路的多层载波信号采用了包括空码干扰消除的一般跳频截听技术。 In the prior art, it has been combined with the multi-carrier signal imitate tropospheric scatter communications link using a general frequency hopping including the empty yard interception interference cancellation technology. 但是本发明则将这种技术扩展到了点-对点和点-对-多点的通信,这其中的发报机和干扰源包括多层载波扩展频谱调制格式。 However, the present invention will extend this technology to the point - point and point - to - multipoint communication, of which the transmitters and interference sources include multi-carrier spread spectrum modulation format. 例如进一步包括了定向数据摸索适应方法,可用于在通信系统发送的业务和导频数据的已知特性的基础上优化解扩展。 For example, to explore further includes directional data adaptation method can be used to optimize the solution based on business expansion and lead communication system transmits pilot on the known characteristics of the data.

[0188] 本发明是将多层载波扩频式通信和基于干扰消除的空码技术组合在一起,提高通信系统的容量,提高对信道畸变的容限,并且更少地依赖扩展增益之间的关系。 [0188] The present invention is a multi-carrier spread spectrum communication and space-based interference cancellation code technology together to improve the capacity of the communication system, to improve the channel distortion tolerance, and less dependent spreading gain between relationship. 不需要正交近似性,并且本发明的实施例对窄带干扰或是其它系统成员的多层载波扩展频谱信号不太敏感。 Does not require orthogonal approximation, and the embodiment of the present invention multilayer carrier spread spectrum signal narrowband interference or other members of the system is less sensitive. 如果将用来消除干扰的空码技术和多层载波扩展频谱通信网络相结合,这种效果最好。 If space will be used to eliminate interference code technology and multi-carrier spread spectrum communication network combines the best of this. 特别是,如果给定相同的扩展增益和空码器(线性合成器)组合,包括用来消除干扰的空码技术的多层载波扩展频谱通信链路能够支持的链路数量可以达到符号调制直接序列扩展频谱系统的二倍。 In particular, if given the same extension and empty yard gain (linear synthesizer) portfolio, including the multi-carrier spread spectrum communication links used to eliminate the interference of empty code technology can support the number of links can be reached directly modulated symbol sequence spread spectrum system twice.

[0189] 本发明在网络中组合了用于消除干扰的模块技术和用来适配解扩展器的数据定向方法。 [0189] The present invention is directed method combines the data module technology used to eliminate interference and for adaptation despreader in the network. 这种组合而成的系统比用于点-对-点和点-对多点(多址联接)通信的竞争方法具有明显的优越性。 This combination of systems than for point - to - point and point - to multipoint (multiple access) method of communicating competition has obvious advantages. 这种系统能够吸取通信系统中全带宽时间量的优点,从而缩短系统中的解扩展器的探测和跟踪时间。 Such a system can learn the advantages of full bandwidth communications systems amount of time, thus shortening the despreader system of detection and tracking time. 这种系统还能在解扩展器上解扩展和解调有用信号的指定的多层载波扩展频谱信号,不需要知道信号发射机所包括的扩展增益(摸索解扩展特性),从而简化或是省掉在网络中使用代码选通策略,并且能够采用反向技术来优化用于通信信道和网络的扩展增益。 This system also solutions on despreader designated multi-carrier spread spectrum signal is spread and demodulated useful signal gain of the signal transmitter does not need to know that the expansion included (fumble despreading characteristics), thereby simplifying or Province off using code gating strategy in the network, and can extend the use of reverse technology to optimize the gain for the communication channels and networks. 由解扩展器接收(单元内或是单元外)没有干扰的多层载波扩展频谱信号,不需要知道扩展增益或是干扰信号的程度,这样就能比(典型的非线性)序列方法简单得多,后者需要在接收机上解调和重新调制干扰和有用信号。 Received by the despreader (within the cell or outside the cell) without interference multilayer carrier spread spectrum signal, without knowing the extent of the spread gain or interference signals, so you can simple ratio (typical non-linear) sequence method is much more , which requires demodulation and re-modulation interference and useful signal at the receiver. 可以为静态线性信道扩散提供自动补偿,包括在系统前端的内部减少扩散效应,不需要知道或是实际估算信道扩散,这样就能降低解扩展方法以及系统硬件的复杂性。 Can provide automatic compensation for the static linear channel proliferation, including in front of the system to reduce internal diffusion effect, we do not need to know or estimate the actual channel diffusion, so that we can reduce the despreading method and system hardware complexity.

[0190] 空码技术可以扩展到空间处理技术便于使用反向传输方法,大大提高整体系统的性能价格比。 [0190] space-time code technology can be extended to facilitate the spatial processing technique using a reverse transfer method, greatly enhance the cost performance of the overall system.

[0191] 将空码和空间处理技术与用于波束控制的自适应天线阵列加以组合能够改善普通的天线收发信机无法达到的范围。 [0191] The empty code and spatial processing technology and adaptive antenna arrays for beam control can be combined to improve the conventional antenna transceiver range can not be achieved. 这种组合还能够通过降低相邻单元产生的干扰来提高多元网络的容量。 This combination is also possible to increase the network capacity by reducing interference polyol produced by the adjacent unit. 用于消除干扰的无效控制能够用更加紧密的编组来提高通信网络的容量。 Invalid control for eliminating interference can be used to improve the capacity of the communication network more closely grouped. 更加紧密的编组能够在单元内部分离吻合的频率,这样就能采用空分多址联接拓扑逻辑。 Grouping can be separated more closely match the frequency of the internal unit, so that we can use of space division multiple access topology logic. 可以采用直通式方法将天线阵列和空码技术加以组合,增加空码器的维数,例如用来在M0S-DSSS系统中组合空间信道和时间信道,或者是通过增加空码器维数在多层载波扩展频谱系统中组合空间信道和频率信道。 You can use straight-through method to the antenna array and empty code technology to be combined, increasing the dimension of the space transcoder, for example, to a combination of spatial channels and time channels M0S-DSSS system, or by increasing the air transcoder dimension in more layer carrier spread spectrum system, a combination of spatial channels and frequency channels.

[0192] 多层载波扩频调制格式允许解扩展器随着空间信道数量的增加而降低多层载波扩展频谱扩展增益,以便保持作为天线元数量的函数的空码器常数的复杂性。 [0192] multi-carrier spread spectrum modulation format allows despreader with space increases the number of channels to reduce multi-carrier spread spectrum spreading gain in order to maintain as a function of the number of antenna elements empty vocoder constant complexity. 这样就能提供稳定的数据定向接收机自适时间。 This will provide a stable directional data receiver adaptive time. 线性复杂性随着通信网络中天线和用户数量的增加而增长。 With the linear complexity and number of users increases communication network antenna and growth. 而用户的空间分布随着通信波束的增加而减少。 The spatial distribution of the user's communication increases the beam is reduced.

[0193] 空码数据自适应定向反向传输技术与多层载波扩频调制的组合提供了一种优越的通信方式。 [0193] Adaptive directional reverse empty code data transmission technology and multi-carrier combination of spread spectrum modulation provides an excellent means of communication. 可以提高点-对-点和点-对-多点通信链路的用户容量,范围,功率,和/ 或成本效率,这些性能都优于全信道预加重方法。 You can improve the point - to - point and point - to - multipoint communications link user capacity, range, power, and / or cost-effectiveness, these properties are better than full channel pre-emphasis methods.

[0194] 多层载波扩展频谱和自适应天线阵列的组合有助于消除空间相干干扰,例如是在蜂窝多层载波扩展频谱网络中,干扰源可以来自网络中其它成员的信号,并且多元天线阵列主要是在网络中的基站上使用。 [0194] combination of multi-carrier spread spectrum and adaptive antenna arrays of spatially coherent helps eliminate interference, for example, multi-carrier spread spectrum in a cellular network, the network signal interference sources can come from other members, and multi-element antenna array It is mainly used on the network base station.

[0195] 图17表示时分双工通信系统的一种时间-频率格式。 [0195] FIG. 17 shows a time division duplex communication systems - frequency format.

[0196] 图18表示一种基本DMT调制解调器的有效单音格式。 [0196] FIG. 18 shows a basic DMT effective tone format modems.

[0197] 图19表示一种发射机/接收机校准方法。 [0197] FIG. 19 illustrates a transmitter / receiver calibration methods. 系统的校准和补偿有两种独立的模式。 Calibration and compensation system has two separate modes. SCSScal信号从cal开关注入接收机,测量接收路径扩散。 SCSScal signal injection receiver from cal switch, measuring the receive path diffusion. SCSScal信号途经发射调制器到输出接收机,通过转换开关测量合成的发射和接收路径扩散。 SCSScal signal via transmitter modulator to the output of the receiver, the transmitter through the switch measuring diffusion synthetic and receive paths. 发射路径是根据合成的接收和发射cal数据来推导的。 The transmit path is based on the synthesis of the receive and transmit data to derive a cal. 在DSP后端中通过发射和处理SCSScal波形来执行补偿。 In DSP backend to perform compensation by transmitting and processing SCSScal waveforms.

[0198] 图20是一种集成的单一天线T/R和DMT调制解调器(基于SCMA的DMT)的示意图。 [0198] FIG. 20 is an integrated single antenna T / R and DMT modem (based on the SCMA of DMT) of FIG.

[0199] 图21笼统地表示了一种单线代码选通交叉-SCORE扩展操作的示意图。 [0199] FIG. 21 shows a schematic diagram generally a single line of code strobe cross -SCORE extended operation. 它对于单线处理是最佳的模式。 It is the best treatment for single-line mode. 可以按照最快收敛时间(最低TBP)使用交叉-SCORE算法。 You can follow the fastest convergence time (minimum TBP) using a cross -SCORE algorithms. 不会受到定时和Doppler频移的影响。 It will not be timed and Doppler frequency shift of influence. 它能够可靠地消除各个单元内部的Karray个干扰。 It is possible to reliably eliminate interfering Karray inside each unit. 它可以分离Karray个SCSS信号。 It can be separated Karray a SCSS signal. 它的不足在于不能可靠地分离〉Karray个SCSS信号(不执行空码),并且在频率变化很大的环境中不能相对调节到最大SINR。 Its drawback is that can not be reliably separated> Karray a SCSS signal (no empty yards), and the frequency can not be changed greatly relative adjusted to the maximum SINR.

[0200] 图22表示一例具有Kspread个单元子集的单线代码选通交叉-SCORE解扩展操作。 [0200] FIG. 22 shows an example of a subset of cells having Kspread single line of code gating cross -SCORE despreading operation.

[0201] 图23表示一例具有Nframe个分组/适配帧的一种单线交叉-SCORE算法。 [0201] FIG. 23 shows an example of having a single line Nframe packet / frame cross -SCORE adaptation algorithm. 解扩展加权是根据多级交叉SCORE本征方程的主模式来计算的。 Despreading weights are based on the main mode multistage cross SCORE Eigenequation calculated.

[0202] 图24表示一种单一适配帧自相关统计运算。 [0202] FIG. 24 illustrates a single adapter frame from the relevant statistical calculations.

[0203] 图25表示具有Kspread个单元子集的一种交叉-SCORE本征方程。 [0203] FIG. 25 illustrates a cross -SCORE Eigenequation has Kspread units subset. 解扩展加权是根据多级交叉SCORE本征方程的主模式来计算的。 Despreading weights are based on the main mode multistage cross SCORE Eigenequation calculated.

[0204] 图26表示具有Kpart〈Kspread个单元子集的一种代码键发生器。 [0204] FIG. 26 shows have a code key generator Kpart <Kspread units subset.

[0205] 图27表示具有Kpart〈Kspread个单元子集的一种等效的代码键发生器。 [0205] FIG. 27 shows an equivalent code key generator has Kpart <Kspread units subset.

[0206] 图28表示具有Kpart个子集的一种交叉-SCORE本征方程。 [0206] FIG. 28 illustrates a cross -SCORE Eigenequation have Kpart subsets. 解扩展加权是根据多级交叉SCORE本征方程的主模式来计算的。 Despreading weights are based on the main mode multistage cross SCORE Eigenequation calculated.

[0207] 图29表示具有两个单元子集的一种交叉-SCORE本征方程。 [0207] FIG. 29 illustrates a cross -SCORE eigen equation has two units subset. 解扩展加权是根据多级交叉SCORE本征方程的主模式来计算的。 Despreading weights are based on the main mode multistage cross SCORE Eigenequation calculated.

[0208] 图30表示一种多链路代码选通交叉-SCORE扩展器。 [0208] FIG. 30 illustrates a multi-link codes strobe cross -SCORE expander. 它是多链路处理的一种改进模式。 It is an improved model of multi-link processing. 它允许针对SCSS干扰条件修改交叉SCORE收敛时间。 It allows to modify the conditions for the SCSS interference cross SCORE convergence time. 它不会受到定时和Doppler 频移的影响。 It will not be timed and Doppler frequency shift of influence. 它能够可靠地消除各个单元内部的Karray个干扰。 It is possible to reliably eliminate interfering Karray inside each unit. 它可以分离Karray* Kscore个SCSS信号。 It can be separated Karray * Kscore a SCSS signal. 它的不足在于不能可靠地分离〉Karray*Kscore个SCSS信号(不完全空码),并且在频率变化很大的环境中不能相对调节到最大STAR。 Its drawback is that can not be reliably separated> Karray * Kscore a SCSS signal (not completely empty yards), and vary widely in frequency environment can not be adjusted to the maximum relative STAR.

[0209] 图31表示采用频率选通和两个单元子集的一种单线代码选通自动-SCORE扩展操作。 [0209] FIG. 31 shows the use of a single line of code frequency strobe and two units subsets gated automatic -SCORE extended operation. 它是高度移动性系统的一种最佳模式。 It is a best mode highly mobile system. 它可以分离Karray*KsC〇re个SCSS链路。 It can be separated Karray * KsC〇re a SCSS link. 它能够消除各个单元内部的Karray个非SCSS干扰。 It can eliminate interference Karray non SCSS inside each unit. 它不会受到定时和Doppler频移的影响。 It will not be timed and Doppler frequency shift of influence. 它的不足在于不能分离〉Kscore个SCSS链路(不完全空码),并且作为解扩展算法的一部分需要(简单的)定时跟踪。 Its drawback is that can not be separated> Kscore a SCSS link (not completely empty yards), and as part of the need to extend the solution algorithm (simple) time tracking.

[0210] 图32是采用频率选通和两个单元子集的一种单线代码选通自动-SCORE解扩展操作。 [0210] FIG. 32 is the use of the frequency strobe and two units of one single line of code subsets gated automatic -SCORE despreading operation.

[0211] 图33表示采用频率选通和两个单元子集的一种自动-SCORE本征方程。 [0211] FIG. 33 shows the use of the frequency of the strobe and two cell sub-set of an automatic -SCORE Eigenequation.

[0212] 图34表示采用时间选通和半速率冗余选通的一种单线代码选通自动-SCORE扩展。 [0212] FIG. 34 shows a single line of code using time-gated and half-rate redundancy strobe strobe automatic -SCORE extension. 它是低移动性系统的一种最佳模式。 It is a best mode for low mobility systems. 它可以分离Karray*Kspread个SCSS链路。 It can be separated Karray * Kspread a SCSS link. 它能够消除各个单元内部的Karray个非SCSS干扰。 It can eliminate interference Karray non SCSS inside each unit. 它不会受到定时和Doppler频移的影响。 It will not be timed and Doppler frequency shift of influence. 在解扩展器上提供3dBSNR增益。 Provided 3dBSNR gain on despreader. 它的不足在于容量减少一半,并且作为解扩展算法的一部分需要(简单的)Doppler跟踪。 Its drawback is that capacity is reduced by half, and as a part of the solution required expansion algorithm (simple) Doppler tracking.

[0213] 图35表示采用时间选通和半速率冗余选通的一种单线代码选通自动-SCORE解扩展。 [0213] FIG. 35 shows a single line of code using time-gated and half-rate redundancy strobe strobe automatic -SCORE despreading.

[0214] 总之,自适应天线阵列可以用来增加网络系统容量,采用波束控制,无效控制,或者是波束和无效控制的组合。 [0214] In summary, the adaptive antenna array system can be used to increase network capacity, using the beam control, the disabling control, or a combination of beam and ineffective control. 这种无效控制或者是波束和无效控制技术的组合在本发明中与作为SCSS扩展器/解扩展器使用的信道化的DMT/0FDM频道复用器组合在一起。 Such invalid control or a combination of beam and ineffective control technology in the present invention in combination with the letter as SCSS expander / despreader road use of DMT / 0FDM channel multiplexer.

[0215] 尽管本发明是参照了具体实施例来描述的,应该认识到这一切并不对本发明构成限制。 [0215] Although the present invention with reference to the specific embodiments described, it should be recognized that all this does not constitute a limitation of the present invention. 本领域的技术人员在阅读了说明书之后完全有能力作出各种各样的修改和变更。 Those skilled in the art upon reading the specification is fully capable to make various modifications and changes. 因此,权利要求书的用意是要覆盖属于本发明的原理和范围内的所有修改和变更。 Accordingly, the claims are intended to cover all changes and modifications belong principles of the invention and within the scope.

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Classifications
International ClassificationH04B7/04
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