FR2734107B1 - Procede et dispositif pour la recuperation d'horloge de synchronisation par symboles a partir d'un signal possedant de grandes possibilites en frequence - Google Patents

Procede et dispositif pour la recuperation d'horloge de synchronisation par symboles a partir d'un signal possedant de grandes possibilites en frequence

Info

Publication number
FR2734107B1
FR2734107B1 FR9605535A FR9605535A FR2734107B1 FR 2734107 B1 FR2734107 B1 FR 2734107B1 FR 9605535 A FR9605535 A FR 9605535A FR 9605535 A FR9605535 A FR 9605535A FR 2734107 B1 FR2734107 B1 FR 2734107B1
Authority
FR
France
Prior art keywords
symbols
signal
high frequency
synchronization clock
recovering synchronization
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 - Fee Related
Application number
FR9605535A
Other languages
English (en)
Other versions
FR2734107A1 (fr
Inventor
A Corbett S Kull
Bradley B Bakke
John W Arens
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2734107A1 publication Critical patent/FR2734107A1/fr
Application granted granted Critical
Publication of FR2734107B1 publication Critical patent/FR2734107B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation
    • 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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FR9605535A 1995-05-11 1996-05-03 Procede et dispositif pour la recuperation d'horloge de synchronisation par symboles a partir d'un signal possedant de grandes possibilites en frequence Expired - Fee Related FR2734107B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/438,721 US5499273A (en) 1995-05-11 1995-05-11 Method and apparatus for symbol clock recovery from signal having wide frequency possibilities

Publications (2)

Publication Number Publication Date
FR2734107A1 FR2734107A1 (fr) 1996-11-15
FR2734107B1 true FR2734107B1 (fr) 2002-11-29

Family

ID=23741754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9605535A Expired - Fee Related FR2734107B1 (fr) 1995-05-11 1996-05-03 Procede et dispositif pour la recuperation d'horloge de synchronisation par symboles a partir d'un signal possedant de grandes possibilites en frequence

Country Status (7)

Country Link
US (1) US5499273A (fr)
JP (2) JPH08317009A (fr)
AU (1) AU694851B2 (fr)
BR (1) BR9602199A (fr)
FR (1) FR2734107B1 (fr)
GB (1) GB2300790B (fr)
RU (1) RU2145776C1 (fr)

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Publication number Priority date Publication date Assignee Title
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
US5499273A (en) * 1995-05-11 1996-03-12 Motorola, Inc. Method and apparatus for symbol clock recovery from signal having wide frequency possibilities
US5654991A (en) * 1995-07-31 1997-08-05 Harris Corporation Fast acquisition bit timing loop method and apparatus
EP0843933B1 (fr) * 1996-05-08 2004-10-27 Koninklijke Philips Electronics N.V. Transmission d'un signal d'information numerique possedant une premiere frequence d'echantillonnage specifique
US5960044A (en) * 1996-11-14 1999-09-28 Scientific-Atlanta, Inc. Apparatus and method for block phase estimation
JP3504119B2 (ja) * 1997-09-12 2004-03-08 三菱電機株式会社 復調装置、クロック再生装置、復調方法及びクロック再生方法
EP1095466A1 (fr) * 1999-05-04 2001-05-02 Cellon France SAS Procede permettant de determiner le debut d'une impulsion dans un systeme a spectre etale
US6590945B1 (en) 1999-07-13 2003-07-08 Lucent Technologies Inc. Method and apparatus for frequency offset compensation
US6218896B1 (en) * 1999-08-27 2001-04-17 Tachyon, Inc. Vectored demodulation and frequency estimation apparatus and method
US6480555B1 (en) * 1999-09-02 2002-11-12 Motorola, Inc. Method and apparatus for extended range frequency correction burst detection
US6904104B1 (en) 1999-09-10 2005-06-07 Telefonaktiebolaget L M Ericsson (Publ) Technique for demodulating a linear modulated data signal in a communications system
JP3850611B2 (ja) * 1999-12-28 2006-11-29 三菱電機株式会社 タイミング再生器およびこれを用いた復調装置
US6879647B1 (en) 2000-09-29 2005-04-12 Northrop Grumman Corporation Radio receiver AM-MSK processing techniques
FR2822323B1 (fr) * 2001-03-15 2003-12-19 Cit Alcatel Procede de recuperation de rythme de paquets de signaux numeriques
US7127017B1 (en) * 2002-07-19 2006-10-24 Rambus, Inc. Clock recovery circuit with second order digital filter
GB2488180A (en) * 2011-02-21 2012-08-22 Thales Holdings Uk Plc Recovering a clock signal by combining a plurality of measurements at a plurality of samples and selecting a sample as a clock sample
US9797936B2 (en) * 2015-03-05 2017-10-24 National Instruments Corporation Counter enhancements for improved performance and ease-of-use
CN105711444B (zh) * 2016-03-30 2018-05-11 中车青岛四方机车车辆股份有限公司 一种轨道车辆蛇形失稳抑制系统和方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4472817A (en) * 1982-08-09 1984-09-18 Communications Satellite Corporation Non-PLL concurrent carrier clock synchronization
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
DE3887459T2 (de) * 1987-11-16 1994-05-11 Nippon Electric Co Digitalsignalempfangsschaltung mit Baudabtastphasensteuerung durch eine Leistung von abgetasteten Signalen.
US4866739A (en) * 1988-02-22 1989-09-12 Silicon Systems, Inc. Digital fast recovery timing algorithm
US4984249A (en) * 1989-05-26 1991-01-08 First Pacific Networks Method and apparatus for synchronizing digital data symbols
US4941155A (en) * 1989-11-16 1990-07-10 Bell Communications Research, Inc. Method and circuitry for symbol timing and frequency offset estimation in time division multiple access radio systems
US5103464A (en) * 1990-05-31 1992-04-07 Northern Telecom Limited Method and apparatus for timing recovery in digital data communications systems
US5280501A (en) * 1990-10-09 1994-01-18 Seko Corp. Data bit synchronization
US5134637A (en) * 1991-03-22 1992-07-28 Motorola, Inc. Clock recovery enhancement circuit
US5259005A (en) * 1992-03-26 1993-11-02 Motorola, Inc. Apparatus for and method of synchronizing a clock signal
US5247544A (en) * 1992-03-26 1993-09-21 Motorola, Inc. Phase adjustment method and apparatus for use in a clock recovery circuit
GB2276797B (en) * 1993-04-02 1996-10-23 Northern Telecom Ltd Digital demodulation
US5425057A (en) * 1994-04-25 1995-06-13 Paff; Thomas M. Phase demodulation method and apparatus using asynchronous sampling pulses
US5499273A (en) * 1995-05-11 1996-03-12 Motorola, Inc. Method and apparatus for symbol clock recovery from signal having wide frequency possibilities

Also Published As

Publication number Publication date
AU5065196A (en) 1996-11-21
GB9609163D0 (en) 1996-07-03
BR9602199A (pt) 1998-04-07
GB2300790B (en) 2000-01-19
US5499273A (en) 1996-03-12
JP2005167295A (ja) 2005-06-23
GB2300790A (en) 1996-11-13
AU694851B2 (en) 1998-07-30
RU2145776C1 (ru) 2000-02-20
JPH08317009A (ja) 1996-11-29
FR2734107A1 (fr) 1996-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse