DE60119427D1 - Ausgleichung von Abtastfrequenzverschiebung und Lokaloszillatorfrequenzverschiebung in einem OFDM-Empfänger - Google Patents

Ausgleichung von Abtastfrequenzverschiebung und Lokaloszillatorfrequenzverschiebung in einem OFDM-Empfänger

Info

Publication number
DE60119427D1
DE60119427D1 DE60119427T DE60119427T DE60119427D1 DE 60119427 D1 DE60119427 D1 DE 60119427D1 DE 60119427 T DE60119427 T DE 60119427T DE 60119427 T DE60119427 T DE 60119427T DE 60119427 D1 DE60119427 D1 DE 60119427D1
Authority
DE
Germany
Prior art keywords
frequency shift
adjustment
local oscillator
ofdm receiver
sampling 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
DE60119427T
Other languages
English (en)
Other versions
DE60119427T2 (de
Inventor
Steven Howard Duncan
Robert Barnard Heaton
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE60119427D1 publication Critical patent/DE60119427D1/de
Application granted granted Critical
Publication of DE60119427T2 publication Critical patent/DE60119427T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • 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
    • H04L27/266—Fine or fractional frequency offset determination and 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
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2679—Decision-aided

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE60119427T 2000-04-17 2001-03-30 Ausgleichung von Abtastfrequenzverschiebung und Lokaloszillatorfrequenzverschiebung in einem OFDM-Empfänger Expired - Lifetime DE60119427T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0009494 2000-04-17
GB0009494A GB2361607A (en) 2000-04-17 2000-04-17 Compensating for local oscillator and sampling frequency offsets in an OFDM receiver

Publications (2)

Publication Number Publication Date
DE60119427D1 true DE60119427D1 (de) 2006-06-14
DE60119427T2 DE60119427T2 (de) 2007-05-16

Family

ID=9890107

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60119427T Expired - Lifetime DE60119427T2 (de) 2000-04-17 2001-03-30 Ausgleichung von Abtastfrequenzverschiebung und Lokaloszillatorfrequenzverschiebung in einem OFDM-Empfänger
DE60119428T Expired - Lifetime DE60119428T2 (de) 2000-04-17 2001-03-30 Ausgleichung von Abtastfrequenzverschiebung und Lokaloscillatorfrequenzverschiebung in einem OFDM-Empfänger

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60119428T Expired - Lifetime DE60119428T2 (de) 2000-04-17 2001-03-30 Ausgleichung von Abtastfrequenzverschiebung und Lokaloscillatorfrequenzverschiebung in einem OFDM-Empfänger

Country Status (8)

Country Link
US (1) US7116741B2 (de)
EP (2) EP1148685B1 (de)
JP (1) JP4780891B2 (de)
KR (1) KR100440558B1 (de)
CN (1) CN1149801C (de)
DE (2) DE60119427T2 (de)
GB (1) GB2361607A (de)
WO (1) WO2001080509A1 (de)

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US6700866B1 (en) * 1999-06-23 2004-03-02 At&T Wireless Services, Inc. Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system
US8098651B1 (en) 2001-07-27 2012-01-17 Rockstar Bidco, LP Integrating multimedia capabilities with circuit-switched calls
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
KR100542827B1 (ko) * 2002-12-18 2006-01-20 한국전자통신연구원 변화량 예측에 의한 주파수 옵셋 보정 장치 및 그 방법
ES2212744B2 (es) 2003-01-10 2005-03-16 Diseño De Sistemas En Silicio, S.A. Procedimiento de sincronizacion en el dominio del tiempo y de la frecuencia de multiples equipos en un sistema de transmision con modulacion ofdm.
CN1317843C (zh) * 2003-01-23 2007-05-23 上海贝尔阿尔卡特股份有限公司 数字通信***中载频同步方法和通信装置
DE112004000458T5 (de) * 2003-03-19 2009-12-10 Advantest Corporation Wellendetektionsvorrichtung, Verfahren, Programm und Aufzeichnungsmedium
US7203254B2 (en) * 2003-03-25 2007-04-10 Motorola, Inc. Method and system for synchronizing in a frequency shift keying receiver
US7551545B2 (en) * 2004-02-09 2009-06-23 Qualcomm Incorporated Subband-based demodulation for an OFDM-based communication system
JP4097615B2 (ja) * 2004-03-23 2008-06-11 三洋電機株式会社 信号検出方法および装置ならびにそれを利用した送信装置および受信装置
KR100699490B1 (ko) * 2005-08-22 2007-03-26 삼성전자주식회사 샘플링 주파수 오프셋 추정방법 및 이 방법이 적용되는ｏｆｄｍ 시스템
GB2441375B (en) * 2006-08-29 2011-03-02 Ubiquisys Ltd Basestation for cellular communication system
CN1917499B (zh) * 2006-09-08 2012-05-16 清华大学 解决正交频分复用***收发晶振存在偏差的方法
JP5287521B2 (ja) * 2009-06-04 2013-09-11 株式会社リコー 通信装置
US8559887B2 (en) * 2009-07-09 2013-10-15 Cisco Technology, Inc. Coherence time estimation and mobility detection for wireless channel
CN104798335B (zh) 2012-10-01 2018-04-13 乔舒亚·帕克 Rf载波同步和相位对准方法和***
US10627473B2 (en) * 2013-10-01 2020-04-21 Phasorlab, Inc. Angle of arrival measurements using RF carrier synchronization and phase alignment methods
GB2532233A (en) * 2014-11-12 2016-05-18 Sony Corp Transmitter and receiver and methods of transmitting and receiving
KR20180002943U (ko) 2017-04-05 2018-10-15 김은정 아이스 폴리머 쥬얼리
US11736129B2 (en) 2019-08-13 2023-08-22 National Instruments Corporation Local oscillator placement for mixed numerology in orthogonal frequency division multiplexing communications
CN113365338B (zh) * 2020-03-05 2023-04-07 哈尔滨工业大学 一种基于已知位置校正源的双站相参的方法

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GB2278257B (en) * 1993-05-05 1996-10-02 British Broadcasting Corp Receiving equipment for digital transmissions
DE4319769C1 (de) * 1993-06-15 1994-07-14 Grundig Emv Verfahren und Anordnung zur Einstellung der lokalen Oszillatoren eines Empfängers in einem Mehrkanalübertragungssystem
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
US5498512A (en) * 1995-03-10 1996-03-12 Eastman Kodak Company Photographic element having a transparent magnetic recording layer
JP3549957B2 (ja) 1995-10-04 2004-08-04 池上通信機株式会社 自動周波数制御方法および装置
FI961164A (fi) 1996-03-13 1997-09-14 Nokia Technology Gmbh Menetelmä kanavavirheiden korjaamiseksi digitaalisessa tietoliikennejärjestelmässä
JP2774961B2 (ja) 1996-03-29 1998-07-09 株式会社次世代デジタルテレビジョン放送システム研究所 Ｏｆｄｍ復調装置
JPH10190608A (ja) * 1996-12-19 1998-07-21 Lucent Technol Inc 通信方法
GB9707517D0 (en) * 1997-04-14 1997-06-04 Nds Ltd Improvements in or relating to receiver synchronisation
GB2325127B (en) * 1997-05-02 2002-06-19 Lsi Logic Corp Demodulating digital video broadcast signals
JP3797397B2 (ja) * 1997-05-02 2006-07-19 ソニー株式会社 受信装置および受信方法
DE19738780A1 (de) * 1997-09-04 1999-03-11 Thomson Brandt Gmbh Verfahren und Schaltungsanordnung zur Korrektur von Phasen- und/oder Frequenzfehlern digitaler Multicarrier-Signale
JP3558879B2 (ja) * 1998-07-06 2004-08-25 株式会社東芝 ディジタル通信装置
JP2000046881A (ja) * 1998-07-27 2000-02-18 Yamaha Corp 周波数分析装置およびｄｔｍｆ信号復調装置

Also Published As

Publication number Publication date
EP1148686B1 (de) 2006-05-10
US20020159534A1 (en) 2002-10-31
DE60119427T2 (de) 2007-05-16
KR100440558B1 (ko) 2004-07-21
GB2361607A (en) 2001-10-24
GB0009494D0 (en) 2000-06-07
EP1148685B1 (de) 2006-05-10
WO2001080509A1 (en) 2001-10-25
KR20020020909A (ko) 2002-03-16
EP1148686A1 (de) 2001-10-24
DE60119428D1 (de) 2006-06-14
US7116741B2 (en) 2006-10-03
JP2003531522A (ja) 2003-10-21
CN1149801C (zh) 2004-05-12
JP4780891B2 (ja) 2011-09-28
CN1366755A (zh) 2002-08-28
DE60119428T2 (de) 2007-04-19
EP1148685A1 (de) 2001-10-24

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