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DE69925690D1 - OFDM-Kommunikationsempfänger und Frequenzversatz-Erfassungsverfahren zur Verwendung in einem OFDM-Kommunikationsempfänger - Google Patents

OFDM-Kommunikationsempfänger und Frequenzversatz-Erfassungsverfahren zur Verwendung in einem OFDM-Kommunikationsempfänger

Info

Publication number
DE69925690D1
DE69925690D1 DE69925690T DE69925690T DE69925690D1 DE 69925690 D1 DE69925690 D1 DE 69925690D1 DE 69925690 T DE69925690 T DE 69925690T DE 69925690 T DE69925690 T DE 69925690T DE 69925690 D1 DE69925690 D1 DE 69925690D1
Authority
DE
Germany
Prior art keywords
communication receiver
ofdm communication
detection method
frequency offset
offset detection
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
DE69925690T
Other languages
English (en)
Other versions
DE69925690T2 (de
Inventor
Hiroaki Sudo
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69925690D1 publication Critical patent/DE69925690D1/de
Publication of DE69925690T2 publication Critical patent/DE69925690T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L27/2662—Symbol 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
    • H04L27/2657—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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • 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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69925690T 1998-11-06 1999-11-04 OFDM-Kommunikationsempfänger und Frequenzversatz-Erfassungsverfahren zur Verwendung in einem OFDM-Kommunikationsempfänger Expired - Fee Related DE69925690T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31669998 1998-11-06
JP31669998A JP3519291B2 (ja) 1998-11-06 1998-11-06 Ｏｆｄｍ通信装置及び方法

Publications (2)

Publication Number Publication Date
DE69925690D1 true DE69925690D1 (de) 2005-07-14
DE69925690T2 DE69925690T2 (de) 2005-10-20

Family

ID=18079922

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69925690T Expired - Fee Related DE69925690T2 (de) 1998-11-06 1999-11-04 OFDM-Kommunikationsempfänger und Frequenzversatz-Erfassungsverfahren zur Verwendung in einem OFDM-Kommunikationsempfänger

Country Status (6)

Country Link
US (1) US6584092B1 (de)
EP (1) EP0999676B1 (de)
JP (1) JP3519291B2 (de)
KR (1) KR100355502B1 (de)
CN (1) CN1148903C (de)
DE (1) DE69925690T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4356203B2 (ja) * 2000-07-11 2009-11-04 ソニー株式会社 復調装置及び復調方法
US6721569B1 (en) * 2000-09-29 2004-04-13 Nortel Networks Limited Dynamic sub-carrier assignment in OFDM systems
US7012881B2 (en) * 2000-12-29 2006-03-14 Samsung Electronic Co., Ltd. Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone
US6810236B2 (en) 2001-05-14 2004-10-26 Interdigital Technology Corporation Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
JP3607238B2 (ja) * 2001-10-22 2005-01-05 株式会社東芝 Ｏｆｄｍ信号受信システム
US7269394B2 (en) * 2002-10-02 2007-09-11 Agere Systems Inc. Frequency offset compensation for communication systems
WO2004047347A1 (ja) * 2002-11-18 2004-06-03 Matsushita Electric Industrial Co., Ltd. 送信装置及び送信方法
DE60311067T2 (de) * 2003-04-17 2007-08-16 Mitsubishi Denki K.K. OFDM-Symbolsynchronisierung
KR101096635B1 (ko) * 2003-11-03 2011-12-30 에스티 에릭슨 에스에이 주파수 오프셋 에러 보상 장치 및 이를 포함하는 수신기
US8401503B2 (en) 2005-03-01 2013-03-19 Qualcomm Incorporated Dual-loop automatic frequency control for wireless communication
US8009775B2 (en) 2005-03-11 2011-08-30 Qualcomm Incorporated Automatic frequency control for a wireless communication system with multiple subcarriers
US8223623B2 (en) * 2005-03-28 2012-07-17 Qualcomm Incorporated Timing and frequency acquisition for OFDM systems
CN1960348B (zh) * 2005-10-31 2010-09-29 中兴通讯股份有限公司 一种多载波数字功率计算装置
KR101128802B1 (ko) * 2006-02-13 2012-03-23 엘지전자 주식회사 이동통신 시스템에서 동기 추정 방법 및 그 장치
US8428198B2 (en) 2006-03-15 2013-04-23 Qualcomm Incorporated Frequency tracking which adapts to timing synchronization
US7792202B2 (en) 2007-01-31 2010-09-07 Samsung Electronics Co., Ltd. Apparatus and method for estimating timing offset of OFDM symbol, and method of recovering symbol timing of OFDM symbol
CN105247806B (zh) * 2013-05-16 2018-10-09 中兴通讯(美国)公司 传输和接收正交频分复用信号的方法和装置以及光通信系统
CN109088842B (zh) * 2018-09-03 2021-02-02 西安宇飞电子技术有限公司 一种用于ofdm的多重同步方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
US20010055320A1 (en) * 1994-12-15 2001-12-27 Pierzga Wayne Francis Multiplex communication
EP0772332A3 (de) 1995-11-02 2000-10-11 British Broadcasting Corporation Synchronisierung von OFDM-Signalen
US5905742A (en) * 1995-12-27 1999-05-18 Ericsson Inc. Method and apparauts for symbol decoding
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
JP2883866B2 (ja) 1997-04-21 1999-04-19 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
US5991289A (en) * 1997-08-05 1999-11-23 Industrial Technology Research Institute Synchronization method and apparatus for guard interval-based OFDM signals
DE19733825A1 (de) * 1997-08-05 1999-02-11 Siemens Ag Verfahren und Anordnung zur kombinierten Messung des Anfangs eines Datenblocks und des Trägerfrequenzversatzes in einem Mehrträgerübertragungssystem für unregelmäßige Übertragung von Datenblöcken

Also Published As

Publication number Publication date
JP3519291B2 (ja) 2004-04-12
JP2000151546A (ja) 2000-05-30
CN1148903C (zh) 2004-05-05
CN1258143A (zh) 2000-06-28
EP0999676A3 (de) 2002-09-04
EP0999676A2 (de) 2000-05-10
DE69925690T2 (de) 2005-10-20
EP0999676B1 (de) 2005-06-08
US6584092B1 (en) 2003-06-24
KR20000047588A (ko) 2000-07-25
KR100355502B1 (ko) 2002-10-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee