DE69803230T2 - Echophasenabweichungskompensation in einem mehrträgerdemodulationssystem - Google Patents

Echophasenabweichungskompensation in einem mehrträgerdemodulationssystem

Info

Publication number
DE69803230T2
DE69803230T2 DE69803230T DE69803230T DE69803230T2 DE 69803230 T2 DE69803230 T2 DE 69803230T2 DE 69803230 T DE69803230 T DE 69803230T DE 69803230 T DE69803230 T DE 69803230T DE 69803230 T2 DE69803230 T2 DE 69803230T2
Authority
DE
Germany
Prior art keywords
echophase
demodulation system
deviation compensation
carrier demodulation
carrier
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
DE69803230T
Other languages
English (en)
Other versions
DE69803230D1 (de
Inventor
Ernst Eberlein
Sabah Badri
Stefan Lipp
Stephan Buchholz
Albert Heuberger
Heinz Gerhaeuser
Robert Fischer
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8166936&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69803230(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Application granted granted Critical
Publication of DE69803230D1 publication Critical patent/DE69803230D1/de
Publication of DE69803230T2 publication Critical patent/DE69803230T2/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
    • H04L27/26—Systems using multi-frequency 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
    • H04L27/2602—Signal structure
    • 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
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2679—Decision-aided

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69803230T 1998-04-14 1998-04-14 Echophasenabweichungskompensation in einem mehrträgerdemodulationssystem Expired - Lifetime DE69803230T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/002167 WO1999053664A1 (en) 1998-04-14 1998-04-14 Differential coding and carrier recovery for multicarrier systems

Publications (2)

Publication Number Publication Date
DE69803230D1 DE69803230D1 (de) 2002-02-21
DE69803230T2 true DE69803230T2 (de) 2002-08-08

Family

ID=8166936

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803230T Expired - Lifetime DE69803230T2 (de) 1998-04-14 1998-04-14 Echophasenabweichungskompensation in einem mehrträgerdemodulationssystem

Country Status (18)

Country Link
US (1) US6931084B1 (de)
EP (1) EP1072136B1 (de)
JP (1) JP3429746B2 (de)
KR (1) KR100347966B1 (de)
CN (1) CN1117460C (de)
AP (1) AP1183A (de)
AT (1) ATE212165T1 (de)
AU (1) AU753497B2 (de)
BR (1) BRPI9815801B1 (de)
CA (1) CA2327876C (de)
DE (1) DE69803230T2 (de)
DK (1) DK1072136T3 (de)
EA (1) EA002528B1 (de)
ES (1) ES2169511T3 (de)
HK (1) HK1037819A1 (de)
TW (1) TW415155B (de)
WO (1) WO1999053664A1 (de)
ZA (1) ZA983647B (de)

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EP1120943B1 (de) * 2000-01-28 2015-05-06 Alcatel Lucent Übertragung von Bit- und Verstärkungszuweisungstabellen in Mehrträgersystemen
EP1170917B1 (de) * 2000-07-06 2006-10-04 Sony Deutschland GmbH Verfahren und Vorrichtung zur Bereitstellung einen OFDM in der Aufwärtsrichtung mit Zeit-Frequentez-verschachtelung
GB2373148A (en) * 2001-02-01 2002-09-11 Roke Manor Research Intra symbol differential modulation of a multi-carrier signal
US7158474B1 (en) * 2001-02-21 2007-01-02 At&T Corp. Interference suppressing OFDM system for wireless communications
CN100375394C (zh) 2001-08-23 2008-03-12 北方电讯网络有限公司 通过组合陪集和强编码陪集标识符实现正交幅度调制的系统和方法
GB2383726A (en) * 2001-12-31 2003-07-02 Calum Ian Bruce Gorton Dual frequency radian differential information transfer
CN1330193C (zh) * 2003-11-20 2007-08-01 中兴通讯股份有限公司 一种用于差分偏移四相键控解调器的位同步装置
EP1646195A1 (de) * 2004-10-06 2006-04-12 Koninklijke Philips Electronics N.V. Phasenkodierung in einem drahtlosen Kommunikationssystem
CN102868511B (zh) 2004-10-29 2016-08-03 夏普株式会社 通信方法和无线发射机
CN102307379B (zh) * 2005-01-18 2015-06-17 夏普株式会社 无线通信装置、便携式终端以及无线通信方法
CN100563144C (zh) * 2005-08-12 2009-11-25 华为技术有限公司 一种多用户映射信号的解调方法
JP4218706B2 (ja) * 2006-07-19 2009-02-04 ソニー株式会社 光ディスクの記録方法及び光ディスク記録装置
KR100973935B1 (ko) 2007-05-02 2010-08-03 에스케이 텔레콤주식회사 Ｏｆｄｍ 신호의 선형 에러 위상을 정정하기 위한 방법 및장치
US9197470B2 (en) * 2007-10-05 2015-11-24 Innurvation, Inc. Data transmission via multi-path channels using orthogonal multi-frequency signals with differential phase shift keying modulation
CN101515918B (zh) * 2009-01-20 2012-01-18 重庆无线绿洲通信技术有限公司 多载波调制解调方法及装置
EP2790366B1 (de) * 2011-12-31 2016-09-28 Huawei Technologies Co., Ltd. Verfahren und system für eine multiträger-ofdm-duplexübertragung
CN102726019B (zh) * 2011-12-31 2014-07-09 华为技术有限公司 一种利用载波调制的传输方法、装置和系统
WO2014144559A1 (en) * 2013-03-15 2014-09-18 General Instrument Corporation Adaptive sampling filter process for scalable video coding
TWI589137B (zh) * 2015-01-28 2017-06-21 晨星半導體股份有限公司 估測方法與裝置、取樣頻率偏移之計算方法以及相位估測方法與裝置
CN107864017B (zh) * 2016-09-22 2019-10-18 深圳市中兴微电子技术有限公司 一种相位校正方法和装置
TWI623210B (zh) * 2016-11-15 2018-05-01 晨星半導體股份有限公司 用來估計一影音訊號之通道狀態的估計方法及相關的估計電路與接收器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2003774C (en) * 1988-11-25 1993-01-26 Atsushi Yoshida Carrier phase synchronizing circuit capable of recovering carrier phase synchronization at a short time
US5063574A (en) * 1990-03-06 1991-11-05 Moose Paul H Multi-frequency differentially encoded digital communication for high data rate transmission through unequalized channels
GB9020170D0 (en) * 1990-09-14 1990-10-24 Indep Broadcasting Authority Orthogonal frequency division multiplexing
DE69232647T2 (de) * 1991-03-20 2002-11-28 Sony Corp Demodulator zur Demodulierung eines pi/4-umgetasteten DQPSK-Signals
JP3145003B2 (ja) 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
US5732105A (en) * 1995-07-31 1998-03-24 Harris Corporation Method of estimating signal quality in a DPSK demodulator
US5790516A (en) * 1995-07-14 1998-08-04 Telefonaktiebolaget Lm Ericsson Pulse shaping for data transmission in an orthogonal frequency division multiplexed system
JP3571131B2 (ja) 1995-11-20 2004-09-29 クラリオン株式会社 Ａｆｃ装置
US5732113A (en) 1996-06-20 1998-03-24 Stanford University Timing and frequency synchronization of OFDM signals
JPH1041991A (ja) 1996-07-24 1998-02-13 Nippon Telegr & Teleph Corp <Ntt> ディジタル復調回路
JPH1051418A (ja) * 1996-08-06 1998-02-20 Mitsubishi Electric Corp ディジタル受信装置
CA2183140C (en) * 1996-08-12 2001-11-20 Grant Mcgibney Ofdm timing and frequency recovery system
DE69837994T2 (de) * 1997-07-24 2007-12-06 Kabushiki Kaisha Kenwood Schaltung zur Erfassung der Phase eines empfangenen Signals
JPH1168696A (ja) * 1997-08-19 1999-03-09 Sony Corp 通信方法及び送信装置及び受信装置並びにセルラー無線通信システム
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法
US6377683B1 (en) * 1998-05-29 2002-04-23 3Com Corporation Low complexity frequency domain echo canceller for DMT transceivers
US5999129A (en) * 1998-06-01 1999-12-07 Litton Systems, Inc. Multiplatform ambiguous phase circle and TDOA protection emitter location
US6466958B1 (en) * 2000-09-12 2002-10-15 Interstate Electronics Corporation, A Division Of L3 Communications Corporation Parallel frequency searching in an acquisition correlator
KR100376804B1 (ko) * 2000-09-29 2003-03-19 삼성전자주식회사 직교 주파수 분할 다중 방식 시스템의 주파수 옵셋 보상장치 및 방법

Also Published As

Publication number Publication date
BRPI9815801B1 (pt) 2015-08-25
EA002528B1 (ru) 2002-06-27
KR20010042709A (ko) 2001-05-25
TW415155B (en) 2000-12-11
JP2002526948A (ja) 2002-08-20
AU753497B2 (en) 2002-10-17
HK1037819A1 (en) 2002-02-15
WO1999053664A1 (en) 1999-10-21
US6931084B1 (en) 2005-08-16
AU7334998A (en) 1999-11-01
EP1072136B1 (de) 2002-01-16
CA2327876A1 (en) 1999-10-21
DK1072136T3 (da) 2002-04-15
CA2327876C (en) 2004-06-01
EP1072136A1 (de) 2001-01-31
ES2169511T3 (es) 2002-07-01
AP1183A (en) 2003-07-01
JP3429746B2 (ja) 2003-07-22
EA200001062A1 (ru) 2001-06-25
ZA983647B (en) 1998-11-24
CN1117460C (zh) 2003-08-06
DE69803230D1 (de) 2002-02-21
CN1303561A (zh) 2001-07-11
ATE212165T1 (de) 2002-02-15
BR9815801A (pt) 2001-11-20
AP2000001941A0 (en) 2000-12-31
KR100347966B1 (ko) 2002-08-09

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