ZA983647B - Method and apparatus for multi-carrier modulation and de-modulation and method and apparatus for performing an echo phase offset correction associated therewith - Google Patents

Method and apparatus for multi-carrier modulation and de-modulation and method and apparatus for performing an echo phase offset correction associated therewith

Info

Publication number
ZA983647B
ZA983647B ZA983647A ZA983647A ZA983647B ZA 983647 B ZA983647 B ZA 983647B ZA 983647 A ZA983647 A ZA 983647A ZA 983647 A ZA983647 A ZA 983647A ZA 983647 B ZA983647 B ZA 983647B
Authority
ZA
South Africa
Prior art keywords
modulation
associated therewith
offset correction
phase offset
echo phase
Prior art date
Application number
ZA983647A
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=ZA983647(B) "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 ZA983647B publication Critical patent/ZA983647B/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)
ZA983647A 1998-04-14 1998-04-30 Method and apparatus for multi-carrier modulation and de-modulation and method and apparatus for performing an echo phase offset correction associated therewith ZA983647B (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
ZA983647B true ZA983647B (en) 1998-11-24

Family

ID=8166936

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA983647A ZA983647B (en) 1998-04-14 1998-04-30 Method and apparatus for multi-carrier modulation and de-modulation and method and apparatus for performing an echo phase offset correction associated therewith

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)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1120943B1 (de) * 2000-01-28 2015-05-06 Alcatel Lucent Übertragung von Bit- und Verstärkungszuweisungstabellen 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
WO2003019791A2 (en) 2001-08-23 2003-03-06 Nortel Networks Limited System and method for reducing the peak power in multi-carrier modulation
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
DE202005022046U1 (de) 2004-10-29 2012-08-24 Sharp Kabushiki Kaisha Funksender und Funkempfänger
CN103731924B (zh) * 2005-01-18 2017-03-01 夏普株式会社 发送装置以及接收装置
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
JP5460579B2 (ja) 2007-05-02 2014-04-02 ウエイブサット インク 直交周波数分割多重信号の直線エラー位相補正方法及び装置
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
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
WO2013097255A1 (zh) * 2011-12-31 2013-07-04 华为技术有限公司 一种多载波正交频分复用双工传输方法、装置及系统
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
US5202643A (en) * 1991-03-20 1993-04-13 Sony Corporation Demodulator for demodulating a π/4-shift DQPSK signal
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
EP0994612B1 (de) * 1997-07-24 2007-06-27 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
EA002528B1 (ru) 2002-06-27
EP1072136A1 (de) 2001-01-31
US6931084B1 (en) 2005-08-16
CA2327876C (en) 2004-06-01
ES2169511T3 (es) 2002-07-01
CN1303561A (zh) 2001-07-11
KR20010042709A (ko) 2001-05-25
DK1072136T3 (da) 2002-04-15
AP1183A (en) 2003-07-01
JP2002526948A (ja) 2002-08-20
HK1037819A1 (en) 2002-02-15
EP1072136B1 (de) 2002-01-16
ATE212165T1 (de) 2002-02-15
AU7334998A (en) 1999-11-01
DE69803230D1 (de) 2002-02-21
DE69803230T2 (de) 2002-08-08
WO1999053664A1 (en) 1999-10-21
CN1117460C (zh) 2003-08-06
BRPI9815801B1 (pt) 2015-08-25
EA200001062A1 (ru) 2001-06-25
CA2327876A1 (en) 1999-10-21
JP3429746B2 (ja) 2003-07-22
KR100347966B1 (ko) 2002-08-09
AU753497B2 (en) 2002-10-17
BR9815801A (pt) 2001-11-20
AP2000001941A0 (en) 2000-12-31
TW415155B (en) 2000-12-11

Similar Documents

Publication Publication Date Title
ZA983647B (en) Method and apparatus for multi-carrier modulation and de-modulation and method and apparatus for performing an echo phase offset correction associated therewith
GB2319935B (en) Apparatus for correcting frequency offset in ofdm receiving system
AU4366600A (en) Method and apparatus for frequency offset correction
AU3007299A (en) Method and apparatus for stabilizing tissue
IL136173A0 (en) Method and apparatus for estimating a frequency offset
AU4193599A (en) Apparatus and method for ligament fixation
AU2022000A (en) Apparatus and method for positioning patient
AU8903798A (en) Method and apparatus for tissue remodeling
IL129765A0 (en) System apparatus and method for multi-carrier transmission
IL147991A0 (en) Apparatus and method for phase and frequency digital modulation
AU1448099A (en) Method and apparatus for coherently-averaged power estimation
HK1029458A1 (en) Apparatus and method for modulation/demodulation with consecutive minimum
AU5230499A (en) Apparatus and method for lacing
HUP0101472A3 (en) Method and apparatus for digital modulation employing single sideband
AU6516400A (en) Method and apparatus for food marinating
HK1046572A1 (en) Method and apparatus for detecting time domains ona communication channel.
AU2636000A (en) Method and apparatus for digital printing
EP0821913A4 (de) Verfahren und osteoporosis diagnosegerät
AU6233400A (en) Apparatus and method for quadrature tuner error correction
EP1117287A4 (de) Verfahren und einrichtung zur montage von bauteilen
AU5926999A (en) Method and apparatus for preparing liquid dialysate
AUPP754398A0 (en) Method and apparatus for compsting
AU1563800A (en) Method and apparatus for tissue imaging
AU5153100A (en) Method and apparatus for securing files
AU691786B3 (en) An apparatus for treating a liquid