DE69737616D1 - Frequenzfehlermessgerät und Funkgerät - Google Patents

Frequenzfehlermessgerät und Funkgerät

Info

Publication number
DE69737616D1
DE69737616D1 DE69737616T DE69737616T DE69737616D1 DE 69737616 D1 DE69737616 D1 DE 69737616D1 DE 69737616 T DE69737616 T DE 69737616T DE 69737616 T DE69737616 T DE 69737616T DE 69737616 D1 DE69737616 D1 DE 69737616D1
Authority
DE
Germany
Prior art keywords
radio
frequency error
error meter
meter
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69737616T
Other languages
English (en)
Other versions
DE69737616T2 (de
Inventor
Hidekazu Watanabe
Hamid Amir-Alikhani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Europe Ltd
Sony Corp
Original Assignee
Sony United Kingdom Ltd
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony United Kingdom Ltd, Sony Corp filed Critical Sony United Kingdom Ltd
Publication of DE69737616D1 publication Critical patent/DE69737616D1/de
Application granted granted Critical
Publication of DE69737616T2 publication Critical patent/DE69737616T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L2007/047—Speed or phase control by synchronisation signals using special codes as synchronising signal using a sine signal or unmodulated carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
DE69737616T 1996-01-30 1997-01-30 Frequenzfehlermessgerät und Funkgerät Expired - Lifetime DE69737616T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9601769 1996-01-30
GB9601769A GB2309866A (en) 1996-01-30 1996-01-30 Frequency error detection in mobile radio communications

Publications (2)

Publication Number Publication Date
DE69737616D1 true DE69737616D1 (de) 2007-05-31
DE69737616T2 DE69737616T2 (de) 2007-12-27

Family

ID=10787741

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69737616T Expired - Lifetime DE69737616T2 (de) 1996-01-30 1997-01-30 Frequenzfehlermessgerät und Funkgerät

Country Status (8)

Country Link
US (1) US6052418A (de)
EP (1) EP0789466B1 (de)
JP (1) JP3703589B2 (de)
KR (1) KR970060750A (de)
CN (1) CN1186913C (de)
DE (1) DE69737616T2 (de)
GB (1) GB2309866A (de)
TW (1) TW317677B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6693882B1 (en) * 1999-01-26 2004-02-17 International Business Machines Corporation Frequency correction burst detection
GB2347831B (en) 1999-03-06 2004-07-07 Nec Technologies Sychronisation in digital data transmission systems
DE60016074T2 (de) * 1999-03-30 2005-11-24 Nec Corp. OFDM-Demodulator
DE10046575B4 (de) * 2000-09-20 2005-03-10 Siemens Ag Verfahren zur Frequenzakquisition, insbesondere zur Initialfrequenzakquisition, einer mobilen Kommunikationseinrichtung
GB2375272B (en) * 2001-04-30 2003-11-19 Lucent Technologies Inc A frequency estimator for use in a receiver of packetised data, the receiver and a method of reception
DE10226647B4 (de) * 2002-06-14 2004-05-19 Siemens Ag Verfahren zur Frequenzsynchronisation, insbesondere zur Initialfrequenzsynchronisation, einer mobilen Kommunikationseinrichtung
US7457347B2 (en) 2004-11-08 2008-11-25 Interdigital Technology Corporation Method and apparatus for estimating and correcting baseband frequency error in a receiver
JP4512138B2 (ja) 2004-11-05 2010-07-28 インターデイジタル テクノロジー コーポレーション デュアルモードアクティブタップマスク発生器およびパイロット基準信号振幅制御ユニットを有する適応等化器
JP3732214B1 (ja) 2005-02-16 2006-01-05 三菱電機株式会社 周波数差検出装置及び方法、周波数判別装置及び方法、並びに周波数合成装置及び方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599732A (en) * 1984-04-17 1986-07-08 Harris Corporation Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format
US4803726A (en) * 1986-12-31 1989-02-07 Motorola, Inc. Bit synchronization method for a digital radio telephone system
FR2629931B1 (fr) * 1988-04-08 1991-01-25 Lmt Radio Professionelle Correlateur numerique asynchrone et demodulateurs comportant un tel correlateur
JP2513331B2 (ja) * 1989-11-10 1996-07-03 日本電気株式会社 搬送波再生器
US5121414A (en) * 1990-08-09 1992-06-09 Motorola, Inc. Carrier frequency offset equalization
US5067139A (en) * 1990-12-17 1991-11-19 Motorola, Inc. Coherent detector for QPSK modulation in a TDMA system
SE468266B (sv) * 1991-04-12 1992-11-30 Ericsson Telefon Ab L M Foerfarande att synkronisera en radiomottagare till en inkommande radiosignal
US5245611A (en) * 1991-05-31 1993-09-14 Motorola, Inc. Method and apparatus for providing carrier frequency offset compensation in a tdma communication system
US5253270A (en) * 1991-07-08 1993-10-12 Hal Communications Apparatus useful in radio communication of digital data using minimal bandwidth
DE69233096T2 (de) * 1991-07-30 2003-12-11 Nec Corp Einzelwortdetektorschaltung zur Verwendung in einem kohärenten Demodulator
JP2812347B2 (ja) * 1992-02-17 1998-10-22 日本電気株式会社 再同期復調装置
US5602881A (en) * 1992-04-24 1997-02-11 Oki Electric Industry Co., Ltd. Receiver for a digital communication system
US5276706A (en) * 1992-05-20 1994-01-04 Hughes Aircraft Company System and method for minimizing frequency offsets between digital communication stations
US5282227A (en) * 1992-05-21 1994-01-25 The Titan Corporation Communication signal detection and acquisition
WO1993026106A1 (en) * 1992-06-18 1993-12-23 Oki Electric Industry Co., Ltd. Maximum likelihood sequence estimating device and method therefor
JP3301555B2 (ja) * 1993-03-30 2002-07-15 ソニー株式会社 無線受信装置
US5365549A (en) * 1993-05-24 1994-11-15 Motorola, Inc. Complex signal correlator and method therefor
US5509034A (en) * 1994-02-14 1996-04-16 Beukema; Troy J. Frequency synchronizing method for a reference oscillator
US5598429A (en) * 1994-07-15 1997-01-28 Marshall; Kenneth E. Multi-level correlation system for synchronization detection in high noise and multi-path environments
JP3116735B2 (ja) * 1994-08-11 2000-12-11 松下電器産業株式会社 自動周波数補正装置
US5717722A (en) * 1994-11-08 1998-02-10 Anritsu Corporation Precision symbol demodulation system for multi-carrier modulation signal
US5790527A (en) * 1994-12-20 1998-08-04 Research Triangle Park Trunked radio frequency communication system for accommodating both frequency and time division based RF communications
US5787128A (en) * 1995-12-22 1998-07-28 Motorola, Inc. Nonlinear signal correlator and method therefor

Also Published As

Publication number Publication date
EP0789466B1 (de) 2007-04-18
CN1186913C (zh) 2005-01-26
JPH09233136A (ja) 1997-09-05
CN1162230A (zh) 1997-10-15
JP3703589B2 (ja) 2005-10-05
EP0789466A3 (de) 2000-12-27
TW317677B (de) 1997-10-11
US6052418A (en) 2000-04-18
GB2309866A (en) 1997-08-06
DE69737616T2 (de) 2007-12-27
KR970060750A (ko) 1997-08-12
EP0789466A2 (de) 1997-08-13
GB9601769D0 (en) 1996-04-03

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: WATANABE, HIDEKAZU, SHINAGAWA-KU, TOKYO 141, JP

Inventor name: AMIR-ALIKHANI, HAMID, 50829 KOELN, DE

8364 No opposition during term of opposition