CN101155383B - Indication method for resource allocation information, transmission method and device for indication information - Google Patents
Indication method for resource allocation information, transmission method and device for indication information Download PDFInfo
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- CN101155383B CN101155383B CN2006101406588A CN200610140658A CN101155383B CN 101155383 B CN101155383 B CN 101155383B CN 2006101406588 A CN2006101406588 A CN 2006101406588A CN 200610140658 A CN200610140658 A CN 200610140658A CN 101155383 B CN101155383 B CN 101155383B
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Abstract
An indication method for scheduling the signaling resource distribution information in a communication system and a transferring method and a device for the resource distribution indication information are disclosed in the present invention, comprising: confirming situation of a first physical resource unit distributed to a user equipment; confirming bit sequence to the user equipment according to the physical resource unit distributing condition after the first physical resource unit; sending bit sequence to the user equipment; the user equipment confirming the physical resource unit distributed to itself according to bit sequence. The present accords with the existing resource distribution indication information character, reducing needless redundant information, thereby decreasing the signaling spending.
Description
Technical field
The present invention relates to the communication physical layer technology, the transmission method and the device of the particularly indicating means of resource allocation information, and resource allocation indication information.
Background technology
High speed downlink packet inserts the dispatch in (HSDPA, High Speed Downlink Packet Access) technology.In existing HSDPA technology, a plurality of user data are common multiplexing on the physical resource with the scope that necessarily knows, different time transmission units can multiplexing different user.In order to make the user can receive the data that the base station issues accurately, the certain signaling relevant with Data Receiving of user need be prenoticed in the base station, and these signalings are called dispatch, comprise in dispatch:
The resource allocation indication information is 7 bits;
User terminal identification (UE ID, User Equipment IDentity) is 16 bits.
Wherein, the resource allocation indication information is meant the position of the physical resource that data that the base station issues are shared and the information of size, and the purpose of notifying these information is can receive these data on corresponding physical resource position for the user; UE ID is the identity code of certain UE of unique identification in the system.
After dispatch is issued by the base station, the user is identification UE id information at first, confirm whether to have in this dispatch the information of oneself, if have, determine on the corresponding time transmission unit respectively according to group of information bits, the position of the shared physical resource of oneself data and the information of size are handed down in the base station, thereby guarantee that data can correctly be received, and recover raw information.
A kind of method of utilizing bit map to carry out the resource allocation indication is arranged at present, Fig. 1 is the resource allocation indication information schematic diagram of bit map, as shown in the figure, the resource allocation indication information of each UE all adopts bit map (bitmap): the distributable physical resource unit (RU of supposing the system, Resource Unit) (establishing the starting point place is physical resource unit 1 for N is individual, follow-up narration is taken this as the standard), corresponding 1 bit of each physical resource unit, if a physical resource unit has been distributed to this UE, then corresponding bits set is 1; If do not distribute to this UE, then set is 0 (perhaps set is opposite, below be example with this kind set only).The resource allocation indication information is placed on first physical resource unit of distributing to this UE.The physical resource unit of different UEs is distributed in the representative of the square frame of different labels, and the below is the bitmap of resource allocation indication information of the correspondence of this UE.The position that different arrows has indicated this bitmap to place.
Each UE begins one by one physical resource unit to be detected and coupling from first physical resource unit, judges whether the resource allocation indication information that oneself is relevant.In case the match is successful, just giving tacit consent to this is first physical resource unit of distributing to oneself, detects and the matching process end.Decode the resource allocation indication information, follow-up physical resource unit distribution condition is by the information acquisition among the bitmap.
As the UE among Fig. 12, physical resource unit 2 by UE ID matching judgment system is to distribute to first physical resource unit of oneself, afterwards by decoding resource allocation indication information bitmap, the set situation of bit according to each draws system physical Resource Unit 2,3,5,7th, distribute to oneself physical resource unit.
In the prior art, the resource allocation indication information of each UE all is placed on first physical resource unit of distributing to this UE, suppose that first physical resource unit of UE of distributing to is the physical resource unit n in the system, n bit must be 0......01 before so in the bitmap information, as the bit before Fig. 1 arrow and the arrow.When the dispatch transmission of reality, in case the user has matched the resource allocation indication information of oneself on certain physical resource unit (n), this preceding n bit is that fixed sequence program is a Given information so, the transmission Given information obviously is a kind of waste in dispatch, and just the dispatch that exists in the prior art has the deficiency of unnecessary expense.
Rate-matched is meant: the original bit sequence of channel encoder output is a regular coding speed, with the code rate that needs in the actual physics channel may there is some difference.Therefore need repeat or chisel out some bits in the original bit sequence.Rate-matched just is meant that original bit sequence is repeated (Repeating) or punchinges (Puncturing) so that reach the desired bit rate of transformat when making channel Mapping." punchinging " is the bit that goes to some position according to certain algorithm cutter; " repetition " then inserts repetition bits according to certain algorithm in some position.
Just, be transformed into the sequence of target length or redundancy with the repetition or the mode such as punching of the bit sequence after certain chnnel coding by certain rule.As list entries is 1/3 coded sequence, is transformed into 1/2 coded sequence by punchinging; In like manner input is 100 coded bit, is transformed into 80 bits by punchinging.
Summary of the invention
The invention provides the transmission method and the device of resource allocation indication information in a kind of communication system, the problem of unnecessary expense is arranged in order to solve the dispatch that exists in the communication system in the prior art.
Pass through regularity summarization among the present invention to the resource allocation indication information, provide a kind of use still less amount of information come method that resource allocation is indicated, transmission method and device to the indicated resource allocation indication information of this method further are provided.
The present invention also provides the transmission method of resource allocation indication information in a kind of communication system, and technical scheme comprises the steps:
Determine to distribute to the position of first physical resource unit of subscriber equipment;
To described subscriber equipment, determine bit sequence according to the distribution condition of the physical resource unit after described first physical resource unit;
Send described bit sequence to described subscriber equipment;
Described subscriber equipment determines to distribute to the physical resource unit of oneself according to described bit sequence.
Preferably, describedly send described bit sequence, comprise the steps: to subscriber equipment
Described bit sequence through-rate coupling is become standard bits sequence length rear line equipment to be sent.
Preferably, describedly send described bit sequence, comprise the steps: to subscriber equipment
Be copied to the standard bits sequence bit sequence isometric;
Bit sequence after subscriber equipment sends described duplicating.
Preferably, described duplicating is that bit-order by bit sequence is copied to the standard bits sequence isometric successively.
Preferably, it is characterized in that described bit sequence is a bit map.
The present invention also provides a kind of transmitting device that uses resource allocation indication information method, comprises subscriber equipment, also comprises:
First determination module, be used to determine distribute to the position of first physical resource unit of subscriber equipment;
Second determination module, be used for, determine bit sequence according to the distribution condition of the physical resource unit after described first physical resource unit to described subscriber equipment;
Transport module, be used for sending described bit sequence to described subscriber equipment;
Described subscriber equipment determines to distribute to the physical resource unit of oneself according to described bit sequence.
Preferably, described transport module comprises rate-matched unit, transmitting element, wherein:
The rate-matched unit is used for bit sequence through-rate coupling is become the standard bits sequence length;
Transmitting element is used for the bit sequence after subscriber equipment sends described coupling.
Preferably, described transport module comprises repetition set unit, transmitting element, wherein:
Repeat the set unit, be used for successively being copied to standard bits sequence isometric by the bit-order of bit sequence bit sequence;
Transmitting element is used for the bit sequence after subscriber equipment sends described duplicating.
Preferably, described bit sequence is a bit map.
Beneficial effect of the present invention is as follows:
Among the present invention, the feature according to existing resource is distributed indication information reduces unnecessary redundant information, thereby has reduced signaling consumption.
Description of drawings
Fig. 1 is the resource allocation indication information schematic diagram of bit map described in the background technology;
Fig. 2 is the resource allocation indication information schematic diagram of bit map described in the embodiment;
Fig. 3 is the transfer process schematic diagram of resource allocation indication information described in the embodiment;
Fig. 4 is for duplicating the resource allocation indication information schematic diagram of back bit map described in the embodiment;
Fig. 5 is the transmitting device structural representation of the resource allocation of utilization described in embodiment indication information method.
Embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present invention is described.
For ease of understanding, describe with bitmap in concrete the enforcement, promptly according to the bit sequence figure of physical resource unit distribution condition correspondence.In the prior art, the resource allocation indication information of each UE all is placed on first physical resource unit of distributing to this UE, first physical resource unit of supposing to distribute to UE is the physical resource unit n of system, preceding n bit in the bitmap information must be 00...01 so, when the dispatch transmission of reality, in case the user has matched the resource allocation indication information of oneself on certain physical resource unit (n), the bit sequence of this preceding n physical resource unit correspondence is a fixed sequence program so, is Given information.Therefore, the present invention is not transmitted Given information in the resource allocation indication information transmission course of reality, only transmission corresponding bitmap set after first physical resource unit that each UE distributes.Just, if distributable physical resource unit quantity is N in the system, first physical resource unit of distributing to certain UE is system physical Resource Unit n, and then needing information transmitted is (N-n) individual bit information since n+1 bit.
Again inventive concept is further specified below in conjunction with accompanying drawing, Fig. 2 is the resource allocation indication information schematic diagram of bit map among the present invention, as shown in the figure, first physical resource unit of distributing to UE 1 is a physical resource unit 1, first physical resource unit of distributing to UE 2 is physical resource unit 2, distribute to first physical resource unit physical resource unit 6 of UE 3.In conjunction with Fig. 1, for ease of describing, the bit sequence that transmits in the definition prior art is first bit sequence, and the bit sequence that sends among the present invention is second bit sequence, and then first bit sequence is respectively: UE 1:1001000000, UE 2:0110101000, UE 3:0000010111; As can be seen from Figure 2, second bit sequence among the present invention, just the bit sequence after first physical resource unit is respectively: UE 1:001000000; UE 2:10101000; UE3:0111.Obviously, the present invention has solved and has reduced the technical problem of unnecessary spending in the dispatch by reducing transmission to Given information.
According to above technical conceive, the invention provides the indicating means of resource allocation information in a kind of communication system, during enforcement, determine to distribute to the position of first physical resource unit of subscriber equipment earlier;
To described subscriber equipment, determine bit sequence according to the distribution condition of the physical resource unit after determined first physical resource unit.
Utilize this bit sequence to indicate, use the indicating means of the present invention can be simpler as can be seen, saved the bit number that is used for indication information than prior art to resource allocation information.
According to above-mentioned technical conceive, the present invention also provides the transmission method of resource allocation indication information in a kind of communication system.Fig. 3 as shown in the figure, comprises the steps: for the transfer process schematic diagram of resource allocation indication information of the present invention
Below concrete implementing procedure is described.
Because press the bit sequence position difference that bitmap places, length has certain fluctuation, though length changes, can calculate, and can't cause the misunderstanding sign indicating number of recipient UE.When therefore implementing, can not process, the length fluctuation of the bit sequence of bitmap placement is pressed in permission, and each UE physical resource unit one by one mates the physical source distributing indication information whether oneself is arranged, when being matching system physical resource unit n, bitmap length is calculated according to (N-n).
In preferred the enforcement, can adopt rate-matched flexibly, guarantee that bit sequence all is isometric.
In the enforcement, can also can adopt rate-matched flexibly because of needs dispatch length is consistent, guarantee which physical resource unit no matter bit sequence be placed on, after passing through chnnel coding and rate-matched together with other information in the dispatch, signaling all is isometric.
Given this, step 303 can realize as follows:
After in dispatch resource allocation indication information, comprising second bit sequence; Again the dispatch through-rate is matched to the isometric rear line equipment of standard dispatch and sends.
In preferred the enforcement, step 303 can also realize as follows:
Be copied to first bit sequence second bit sequence isometric;
Second bit sequence after the subscriber equipment transmission is duplicated.
Duplicating wherein can be copied to first bit sequence isometric by the second bit sequence bit-order successively.
In the enforcement, simply back (N-n) individual bit is repeated to preceding n position, till benefit is full.During N-n＞=n, repeat n among the N-n, specifically be any n can the receiving-transmitting sides agreement; During N-n＜n, repeatedly repeat a last N-n bit, mend full till.Fig. 4 is the resource allocation indication information schematic diagram that duplicates the back bit map, and as shown in the figure, the sequence after duplicating according to second bit sequence is: UE 1:0001000000; UE 2:1010101000; UE 3:0111010111.
According to the foregoing invention design, the present invention also provides a kind of transmitting device that uses resource allocation indication information method, describes below in conjunction with the concrete enforcement of accompanying drawing to this device.
Fig. 5 as shown in the figure, comprises subscriber equipment, first determination module 501, second determination module 502, transport module 503 for the transmitting device structural representation of utilization resource allocation indication information method in the device.
First determination module determines to distribute to the position of first physical resource unit of subscriber equipment;
Second determination module is determined bit sequence to described subscriber equipment according to the distribution condition of the physical resource unit after first physical resource unit.
Transport module sends bit sequence to subscriber equipment;
Subscriber equipment determines to distribute to the physical resource unit of oneself according to bit sequence.
In preferred the enforcement, transport module can comprise rate-matched unit, transmitting element, and after the rate-matched unit was matched to the standard bits sequence length with the bit sequence through-rate, the bit sequence after transmitting element will mate sent to subscriber equipment.In order to guarantee satisfying variety of protocol in the enforcement, make bit sequence length be consistent.
During another was preferably implemented, transport module can comprise repetition set unit, transmitting element, repeated the set unit and successively was copied to standard bits sequence isometric according to the order of bit in the bit sequence bit sequence; The bit sequence of transmitting element after subscriber equipment sends repetition set unit set.
By above enforcement as can be seen, the feature that the present invention distributes indication information according to existing resource reduces unnecessary redundant information, thereby has effectively reduced signaling consumption.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. the transmission method of resource allocation indication information in the communication system is characterized in that, comprises the steps:
Determine to distribute to the position of first physical resource unit of subscriber equipment;
To described subscriber equipment, determine bit sequence according to the distribution condition of the physical resource unit after described first physical resource unit;
Send described bit sequence to described subscriber equipment;
Described subscriber equipment determines to distribute to the physical resource unit of oneself according to described bit sequence.
2. the method for claim 1 is characterized in that, describedly sends described bit sequence to subscriber equipment, comprises the steps:
Described bit sequence through-rate coupling is become standard bits sequence length rear line equipment to be sent.
3. the method for claim 1 is characterized in that, describedly sends described bit sequence to subscriber equipment, comprises the steps:
Be copied to the standard bits sequence bit sequence isometric;
Bit sequence after subscriber equipment sends described duplicating.
4. method as claimed in claim 3 is characterized in that, described duplicating is that bit-order by bit sequence is copied to the standard bits sequence isometric successively.
5. as the described method of one of claim 1 to 4, it is characterized in that described bit sequence is a bit map.
6. one kind is used the resource allocation indication information transmitting device of method according to claim 1, comprises subscriber equipment, it is characterized in that, also comprises:
First determination module, be used to determine distribute to the position of first physical resource unit of subscriber equipment;
Second determination module, be used for, determine bit sequence according to the distribution condition of the physical resource unit after described first physical resource unit to described subscriber equipment;
Transport module, be used for sending described bit sequence to described subscriber equipment;
Described subscriber equipment determines to distribute to the physical resource unit of oneself according to described bit sequence.
7. transmitting device as claimed in claim 6 is characterized in that described transport module comprises rate-matched unit, transmitting element, wherein:
The rate-matched unit is used for bit sequence through-rate coupling is become the standard bits sequence length;
Transmitting element is used for the bit sequence after subscriber equipment sends described coupling.
8. transmitting device as claimed in claim 6 is characterized in that, described transport module comprises repetition set unit, transmitting element, wherein:
Repeat the set unit, be used for successively being copied to standard bits sequence isometric by the bit-order of bit sequence bit sequence;
Transmitting element is used for the bit sequence after subscriber equipment sends described duplicating.
9. as the described transmitting device of one of claim 6 to 8, it is characterized in that described bit sequence is a bit map.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101406588A CN101155383B (en) | 2006-09-29 | 2006-09-29 | Indication method for resource allocation information, transmission method and device for indication information |
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| CN2006101406588A CN101155383B (en) | 2006-09-29 | 2006-09-29 | Indication method for resource allocation information, transmission method and device for indication information |
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| CN101155383A CN101155383A (en) | 2008-04-02 |
| CN101155383B true CN101155383B (en) | 2010-07-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101282294B (en) * | 2008-04-08 | 2011-12-07 | 中兴通讯股份有限公司 | Transmission method for control information based on group |
| CN102771169A (en) * | 2010-06-10 | 2012-11-07 | 富士通株式会社 | Method for transmitting and receiving message, base station and mobile station |
| CN107872307B (en) * | 2015-09-28 | 2021-03-19 | 联发科技股份有限公司 | Method for determining resource unit, method for transmitting resource unit related information and corresponding device |
| GB2576034B (en) * | 2018-08-02 | 2020-10-14 | Tcl Communication Ltd | Uplink transmission resource sharing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518278A (en) * | 2003-01-16 | 2004-08-04 | ��Ϊ��������˾ | System for realizing resource distribution in network communication and its method |
| US6778509B1 (en) * | 1999-11-19 | 2004-08-17 | Hughes Electronics Corporation | MAC layer protocol for a satellite based packet switched services |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6778509B1 (en) * | 1999-11-19 | 2004-08-17 | Hughes Electronics Corporation | MAC layer protocol for a satellite based packet switched services |
| CN1518278A (en) * | 2003-01-16 | 2004-08-04 | ��Ϊ��������˾ | System for realizing resource distribution in network communication and its method |
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