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FR2756687B1 - Dispositif pour corriger un decalage de frequence dans un systeme de reception ofdm - Google Patents

Dispositif pour corriger un decalage de frequence dans un systeme de reception ofdm

Info

Publication number
FR2756687B1
FR2756687B1 FR9715040A FR9715040A FR2756687B1 FR 2756687 B1 FR2756687 B1 FR 2756687B1 FR 9715040 A FR9715040 A FR 9715040A FR 9715040 A FR9715040 A FR 9715040A FR 2756687 B1 FR2756687 B1 FR 2756687B1
Authority
FR
France
Prior art keywords
correcting
frequency offset
reception system
ofdm reception
ofdm
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
FR9715040A
Other languages
English (en)
Other versions
FR2756687A1 (fr
Inventor
Young Rok Park
Olivier Dejonghe
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.)
Maple Vision Technologies Inc Ca
Original Assignee
Daewoo Electronics Co Ltd
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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of FR2756687A1 publication Critical patent/FR2756687A1/fr
Application granted granted Critical
Publication of FR2756687B1 publication Critical patent/FR2756687B1/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
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Circuits Of Receivers In General (AREA)
FR9715040A 1996-11-29 1997-11-28 Dispositif pour corriger un decalage de frequence dans un systeme de reception ofdm Expired - Fee Related FR2756687B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR19960060088 1996-11-29

Publications (2)

Publication Number Publication Date
FR2756687A1 FR2756687A1 (fr) 1998-06-05
FR2756687B1 true FR2756687B1 (fr) 2001-10-05

Family

ID=19484837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9715040A Expired - Fee Related FR2756687B1 (fr) 1996-11-29 1997-11-28 Dispositif pour corriger un decalage de frequence dans un systeme de reception ofdm

Country Status (8)

Country Link
US (1) US6035003A (fr)
JP (1) JP3965638B2 (fr)
KR (1) KR100261734B1 (fr)
CN (1) CN1172501C (fr)
DE (1) DE19753084B4 (fr)
FR (1) FR2756687B1 (fr)
GB (1) GB2319935B (fr)
IT (1) IT1296596B1 (fr)

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SE9703630L (sv) * 1997-03-03 1998-09-04 Telia Ab Förbättringar av, eller med avseende på, synkronisering
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US6704374B1 (en) * 2000-02-16 2004-03-09 Thomson Licensing S.A. Local oscillator frequency correction in an orthogonal frequency division multiplexing system
KR100615887B1 (ko) * 2000-04-07 2006-08-25 삼성전자주식회사 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법
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US6654408B1 (en) 2000-10-27 2003-11-25 Wisconsin Alumni Research Foundation Method and system for multi-carrier multiple access reception in the presence of imperfections
KR100385772B1 (ko) * 2000-11-15 2003-06-02 (주)씨앤에스 테크놀로지 Ｏｆｄｍ 프레임 옵셋 추정방법 및 그 시스템
US20020065047A1 (en) * 2000-11-30 2002-05-30 Moose Paul H. Synchronization, channel estimation and pilot tone tracking system
NZ509688A (en) 2001-02-01 2003-06-30 Ind Res Ltd Maximum likelihood sychronisation (estimating time delay) for wireless digital communications system using a pilot symbol
US6549561B2 (en) * 2001-02-21 2003-04-15 Magis Networks, Inc. OFDM pilot tone tracking for wireless LAN
WO2002069515A1 (fr) * 2001-02-21 2002-09-06 Magis Networks, Inc. Poursuite de frequences pilotes mrof (multiplexage par repartition orthogonale de la frequence) pour reseau local sans fil
US6633616B2 (en) * 2001-02-21 2003-10-14 Magis Networks, Inc. OFDM pilot tone tracking for wireless LAN
US6549583B2 (en) * 2001-02-21 2003-04-15 Magis Networks, Inc. Optimum phase error metric for OFDM pilot tone tracking in wireless LAN
US7248652B2 (en) * 2001-02-28 2007-07-24 Agere Systems Inc. Method and apparatus for recovering timing information in orthogonal frequency division multiplexing (OFDM) systems
US7218691B1 (en) 2001-03-05 2007-05-15 Marvell International Ltd. Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset
US8619922B1 (en) 2002-02-04 2013-12-31 Marvell International Ltd. Method and apparatus for acquisition and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise
US20020138807A1 (en) * 2001-03-26 2002-09-26 Quang Nguyen Optimum UMTS modem
US20020136282A1 (en) * 2001-03-26 2002-09-26 Quang Nguyen Optimum UMTS modem
KR100398331B1 (ko) * 2001-04-16 2003-09-19 광주과학기술원 직교 주파수 분할 다중화 시스템의 신호 수신단 및 그신호 수신방법
CN1582557B (zh) * 2001-11-06 2010-09-29 Nxp股份有限公司 使用相位展开的dat辅助频率偏移检测
US7209433B2 (en) * 2002-01-07 2007-04-24 Hitachi, Ltd. Channel estimation and compensation techniques for use in frequency division multiplexed systems
US7346135B1 (en) 2002-02-13 2008-03-18 Marvell International, Ltd. Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
US7212512B2 (en) * 2002-04-02 2007-05-01 Conexant, Inc. Frequency correction system for a wireless device communicating in a wireless local area network
KR100566201B1 (ko) * 2002-04-22 2006-03-29 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 레인징 방법
KR100453696B1 (ko) * 2002-05-20 2004-10-20 전자부품연구원 무선 이동 디지털 통신 시스템에서의 개선된 주파수오프셋 추정 방법
US7173991B2 (en) 2002-06-17 2007-02-06 Hitachi, Ltd. Methods and apparatus for spectral filtering channel estimates
US7139340B2 (en) * 2002-06-28 2006-11-21 Hitachi, Ltd. Robust OFDM carrier recovery methods and apparatus
MXPA05001192A (es) * 2002-07-31 2005-05-16 Thomson Licensing Sa Arquitectura de memoria intermedia centralizada para un receptor de multiplexion de division por frecuencia ortogonal (ofdm).
US7433298B1 (en) 2002-08-19 2008-10-07 Marvell International Ltd. Compensation for residual frequency offset, phase noise and I/Q imbalance in OFDM modulated communications
KR100553544B1 (ko) * 2002-08-31 2006-02-20 삼성탈레스 주식회사 버스트 직교 주파수분할 다중 전송 시스템에서 주파수 오프셋 추정 및 채널 등화방법
US7889819B2 (en) * 2002-10-04 2011-02-15 Apurva Mody Methods and systems for sampling frequency offset detection, correction and control for MIMO OFDM systems
US20050080576A1 (en) * 2003-10-10 2005-04-14 Dickerson Robert T. Method and system for frequency domain time correlation
US7599453B2 (en) * 2005-04-21 2009-10-06 Telefonaktiebolaget L M Ericsson (Publ) Doppler spread estimation for OFDM systems
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
FI20055711A0 (fi) * 2005-12-29 2005-12-29 Nokia Corp Häiriön poisto radiovastaanottimessa
CN101136881B (zh) * 2006-08-31 2012-10-10 世意法（北京）半导体研发有限责任公司 一种ofdma上行链路接收机和估计载波频偏的方法
US7796706B2 (en) * 2007-03-15 2010-09-14 Nokia Corporation Digital broadcast service discovery correlation
US7787548B2 (en) * 2007-03-15 2010-08-31 Nokia Corporation Digital broadcast service discovery correlation
CN101431493B (zh) * 2007-11-07 2012-11-21 中国科学院微电子研究所 用于ofdm分组检测、频偏估计的系统及方法
KR100947604B1 (ko) 2007-12-17 2010-03-15 한국전자통신연구원 이동통신 시스템에서 2차 루프 필터를 사용하는 주파수오차 추정기 및 그 동작방법
CN101841347A (zh) * 2009-03-16 2010-09-22 鼎桥通信技术有限公司 一种频偏估计方法及装置
CN102523028B (zh) * 2011-12-09 2015-01-21 武汉虹信通信技术有限责任公司 一种本地频率参考源传送到远端的方法
JP6080169B2 (ja) * 2014-03-14 2017-02-15 古河電気工業株式会社 送受信システム、送信装置、および、受信装置
JP7204627B2 (ja) 2019-10-11 2023-01-16 株式会社東芝 無線通信装置

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DE69217140T2 (de) * 1991-08-07 1997-07-03 Toshiba Ave Kk QPSK-Demodulator mit automatischer Frequenznachregelung
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
JPH07212421A (ja) * 1994-01-19 1995-08-11 Toshiba Corp Ａｆｃ回路
JP2989742B2 (ja) * 1994-05-20 1999-12-13 株式会社日立製作所 ディジタル放送システムおよび該ディジタル放送用の送信システムならびに該ディジタル放送用の受信システム
US5774450A (en) * 1995-01-10 1998-06-30 Matsushita Electric Industrial Co., Ltd. Method of transmitting orthogonal frequency division multiplexing signal and receiver thereof
JP3130752B2 (ja) * 1995-02-24 2001-01-31 株式会社東芝 Ｏｆｄｍ伝送受信方式及び送受信装置
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
JPH09219693A (ja) * 1996-02-09 1997-08-19 Mitsubishi Electric Corp デジタル放送受信機
CA2183140C (fr) * 1996-08-12 2001-11-20 Grant Mcgibney Systeme de synchronisation et de restitution de frequence

Also Published As

Publication number Publication date
GB2319935B (en) 2001-10-24
JPH10190613A (ja) 1998-07-21
DE19753084B4 (de) 2007-10-18
GB9725274D0 (en) 1998-01-28
JP3965638B2 (ja) 2007-08-29
GB2319935A (en) 1998-06-03
IT1296596B1 (it) 1999-07-14
DE19753084A1 (de) 1998-06-04
ITTO971043A1 (it) 1998-05-29
US6035003A (en) 2000-03-07
CN1193875A (zh) 1998-09-23
ITTO971043A0 (it) 1997-12-01
KR19980042922A (ko) 1998-08-17
CN1172501C (zh) 2004-10-20
KR100261734B1 (ko) 2000-07-15
FR2756687A1 (fr) 1998-06-05

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property

Owner name: MAPLE VISION TECHNOLOGIES INC., CA

Effective date: 20131226

ST Notification of lapse

Effective date: 20160729