HK1037819A1 - Echo phase offset correction in a multi-carrier demodulation system - Google Patents

Echo phase offset correction in a multi-carrier demodulation system

Info

Publication number
HK1037819A1
HK1037819A1 HK01108001A HK01108001A HK1037819A1 HK 1037819 A1 HK1037819 A1 HK 1037819A1 HK 01108001 A HK01108001 A HK 01108001A HK 01108001 A HK01108001 A HK 01108001A HK 1037819 A1 HK1037819 A1 HK 1037819A1
Authority
HK
Hong Kong
Prior art keywords
offset correction
phase offset
demodulation system
carrier demodulation
echo phase
Prior art date
Application number
HK01108001A
Other languages
English (en)
Inventor
Ernst Eberlein
Sabah Badri
Stefan Lipp
Stephan Buchholz
Albert Heuberger
Heinz Gerhaeuser
Robert Fischer
Original Assignee
Fraunhofer Ges Forschung
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=HK1037819(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1037819A1 publication Critical patent/HK1037819A1/xx

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)
HK01108001A 1998-04-14 2001-11-14 Echo phase offset correction in a multi-carrier demodulation system HK1037819A1 (en)

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 (1)

Publication Number Publication Date
HK1037819A1 true HK1037819A1 (en) 2002-02-15

Family

ID=8166936

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01108001A HK1037819A1 (en) 1998-04-14 2001-11-14 Echo phase offset correction in a multi-carrier demodulation system

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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EP2922232A1 (de) * 2000-01-28 2015-09-23 Alcatel Lucent Trägerkonstellationsinformationen in mehrträgersystemen
DE60031105T2 (de) * 2000-07-06 2007-04-05 Sony Deutschland Gmbh Verfahren und Vorrichtung zur Bereitstellung einen OFDM in der Aufwärtsrichtung mit Zeit-Frequenz-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
KR101389593B1 (ko) 2001-08-23 2014-04-29 애플 인크. Ｃｏ-ｓｅｔ와 강하게 코딩된 ｃｏ-ｓｅｔ 식별자를조합하여 직교 진폭 변조를 행하기 위한 시스템 및 방법
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
EP2750312B1 (de) 2004-10-29 2018-04-04 Sharp Kabushiki Kaisha Kommunikationsverfahren und Funksender
WO2006077696A1 (ja) 2005-01-18 2006-07-27 Sharp Kabushiki Kaisha 無線通信装置、携帯端末および無線通信方法
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
US8340205B2 (en) 2007-05-02 2012-12-25 Cavium, Inc. Method and apparatus for correcting linear error phase of an OFDM signal
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
ES2607962T3 (es) 2011-12-31 2017-04-04 Huawei Technologies Co., Ltd. Método y sistema para una transmisión bidireccional simultanea de portadoras múltiples mediante una multiplexación por división ortogonal de la frecuencia
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

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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
EP1001580A1 (de) * 1991-03-20 2000-05-17 Sony Corporation Demodulator für phasenumgetastetes Signal mit Maximalwahrscheinlichkeits-Folgeschätzer
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
CA2296382C (en) * 1997-07-24 2007-09-11 Kabushiki Kaisha Kenwood Received signal phase detecting circuit
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
ZA983647B (en) 1998-11-24
WO1999053664A1 (en) 1999-10-21
US6931084B1 (en) 2005-08-16
AP1183A (en) 2003-07-01
AP2000001941A0 (en) 2000-12-31
EA200001062A1 (ru) 2001-06-25
EP1072136A1 (de) 2001-01-31
BR9815801A (pt) 2001-11-20
EP1072136B1 (de) 2002-01-16
CA2327876A1 (en) 1999-10-21
CN1303561A (zh) 2001-07-11
AU753497B2 (en) 2002-10-17
ES2169511T3 (es) 2002-07-01
TW415155B (en) 2000-12-11
KR20010042709A (ko) 2001-05-25
DK1072136T3 (da) 2002-04-15
JP3429746B2 (ja) 2003-07-22
AU7334998A (en) 1999-11-01
DE69803230T2 (de) 2002-08-08
JP2002526948A (ja) 2002-08-20
DE69803230D1 (de) 2002-02-21
ATE212165T1 (de) 2002-02-15
KR100347966B1 (ko) 2002-08-09
CN1117460C (zh) 2003-08-06
BRPI9815801B1 (pt) 2015-08-25
CA2327876C (en) 2004-06-01
EA002528B1 (ru) 2002-06-27

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20180413