DE60143641D1 - Symboltaktsynchronisierung in einem Mehrträgerempfänger - Google Patents

Symboltaktsynchronisierung in einem Mehrträgerempfänger

Info

Publication number
DE60143641D1
DE60143641D1 DE60143641T DE60143641T DE60143641D1 DE 60143641 D1 DE60143641 D1 DE 60143641D1 DE 60143641 T DE60143641 T DE 60143641T DE 60143641 T DE60143641 T DE 60143641T DE 60143641 D1 DE60143641 D1 DE 60143641D1
Authority
DE
Germany
Prior art keywords
clock synchronization
symbol clock
carrier receiver
receiver
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
DE60143641T
Other languages
English (en)
Inventor
John Nicholas Wilson
Samuel Asangbeng Atungsiri
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.)
Sony Europe BV United Kingdom Branch
Original Assignee
Sony Europe 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 Sony Europe Ltd filed Critical Sony Europe Ltd
Application granted granted Critical
Publication of DE60143641D1 publication Critical patent/DE60143641D1/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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • 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
    • H04L27/2663—Coarse synchronisation, e.g. by correlation
    • 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
    • H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
    • 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
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • 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
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE60143641T 2000-11-09 2001-10-25 Symboltaktsynchronisierung in einem Mehrträgerempfänger Expired - Lifetime DE60143641D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0027423A GB2369015A (en) 2000-11-09 2000-11-09 Receiver that uses guard signals to estimate synchronisation position

Publications (1)

Publication Number Publication Date
DE60143641D1 true DE60143641D1 (de) 2011-01-27

Family

ID=9902901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60143641T Expired - Lifetime DE60143641D1 (de) 2000-11-09 2001-10-25 Symboltaktsynchronisierung in einem Mehrträgerempfänger

Country Status (5)

Country Link
US (1) US7139338B2 (de)
EP (1) EP1206096B1 (de)
JP (1) JP4034957B2 (de)
DE (1) DE60143641D1 (de)
GB (1) GB2369015A (de)

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GB2376855A (en) 2001-06-20 2002-12-24 Sony Uk Ltd Determining symbol synchronisation in an OFDM receiver in response to one of two impulse response estimates
KR100839843B1 (ko) * 2002-01-24 2008-06-20 주식회사 엘지이아이 Ｏｆｄｍ 심볼구조를 이용한 부호화/복호화 방법
GB2388499A (en) 2002-05-09 2003-11-12 Sony Uk Ltd A multi-carrier receiver which can detect, estimate and cancel impulse burst noise signals
GB0215639D0 (en) * 2002-07-05 2002-08-14 British Broadcasting Corp OFDM receivers
GB2395094A (en) * 2002-10-28 2004-05-12 Sony Uk Ltd Determining a symbol synch time in an OFDM receiver
EP1447952B1 (de) * 2002-12-09 2011-06-22 Rohde & Schwarz GmbH & Co. KG Verfahren und Einrichtung zur Analyse eines OFDM-Signals
US20040223449A1 (en) * 2003-05-08 2004-11-11 Yih-Ming Tsuie Mode detection for OFDM signals
ATE375667T1 (de) * 2003-06-30 2007-10-15 Nokia Corp Schnellerer fein-timing-betrieb in einem mehrträgersystem
GB0421930D0 (en) * 2004-10-01 2004-11-03 Nokia Corp Signal receiver
KR100579531B1 (ko) * 2005-01-28 2006-05-15 삼성전자주식회사 Ｏｆｄｍ 수신기에 적용되는 심볼시간 동기 장치 및 그 방법
US8165167B2 (en) * 2005-03-10 2012-04-24 Qualcomm Incorporated Time tracking for a communication system
US20060221810A1 (en) * 2005-03-10 2006-10-05 Bojan Vrcelj Fine timing acquisition
US20100157833A1 (en) * 2005-03-10 2010-06-24 Qualcomm Incorporated Methods and systems for improved timing acquisition for varying channel conditions
US8675631B2 (en) * 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
US7676046B1 (en) * 2005-06-09 2010-03-09 The United States Of America As Represented By The Director Of The National Security Agency Method of removing noise and interference from signal
US7492814B1 (en) * 2005-06-09 2009-02-17 The U.S. Government As Represented By The Director Of The National Security Agency Method of removing noise and interference from signal using peak picking
JP4626428B2 (ja) 2005-07-19 2011-02-09 ソニー株式会社 Ｏｆｄｍ復調装置及び方法
US8315191B2 (en) 2005-09-20 2012-11-20 Qualcomm Incorporated Timing acquisition and mode and guard detection for an OFDM transmission
US7623607B2 (en) * 2005-10-31 2009-11-24 Qualcomm Incorporated Methods and apparatus for determining timing in a wireless communication system
US8144818B2 (en) * 2005-12-15 2012-03-27 Qualcomm Incorporated Apparatus and methods for determining timing in a communication system
US8948329B2 (en) * 2005-12-15 2015-02-03 Qualcomm Incorporated Apparatus and methods for timing recovery in a wireless transceiver
KR101200736B1 (ko) * 2006-03-14 2012-11-13 퀄컴 인코포레이티드 주파수 영역의 신호 처리를 위한 스마트 안테나 시스템 및이를 위한 이동 단말과 기지국의 송수신 장치 및 방법
US8494009B2 (en) 2006-09-25 2013-07-23 Futurewei Technologies, Inc. Network clock synchronization timestamp
US8340101B2 (en) 2006-09-25 2012-12-25 Futurewei Technologies, Inc. Multiplexed data stream payload format
US8660152B2 (en) * 2006-09-25 2014-02-25 Futurewei Technologies, Inc. Multi-frame network clock synchronization
US7986700B2 (en) 2006-09-25 2011-07-26 Futurewei Technologies, Inc. Multiplexed data stream circuit architecture
US7961751B2 (en) 2006-09-25 2011-06-14 Futurewei Technologies, Inc. Multiplexed data stream timeslot map
US7809027B2 (en) * 2006-09-25 2010-10-05 Futurewei Technologies, Inc. Network clock synchronization floating window and window delineation
US8976796B2 (en) 2006-09-25 2015-03-10 Futurewei Technologies, Inc. Bandwidth reuse in multiplexed data stream
US8588209B2 (en) * 2006-09-25 2013-11-19 Futurewei Technologies, Inc. Multi-network compatible data architecture
US8295310B2 (en) * 2006-09-25 2012-10-23 Futurewei Technologies, Inc. Inter-packet gap network clock synchronization
US7813271B2 (en) * 2006-09-25 2010-10-12 Futurewei Technologies, Inc. Aggregated link traffic protection
US7675945B2 (en) 2006-09-25 2010-03-09 Futurewei Technologies, Inc. Multi-component compatible data architecture
CN101578794B (zh) * 2007-01-26 2012-12-12 华为技术有限公司 数据通信装置及网络组件
WO2008129754A1 (ja) * 2007-04-13 2008-10-30 Panasonic Corporation Ｏｆｄｍ信号受信装置及びｏｆｄｍ信号受信方法
US8054925B2 (en) 2007-07-31 2011-11-08 Alcatel Lucent Method and apparatus for synchronizing a receiver
US8532201B2 (en) 2007-12-12 2013-09-10 Qualcomm Incorporated Methods and apparatus for identifying a preamble sequence and for estimating an integer carrier frequency offset
US8537931B2 (en) * 2008-01-04 2013-09-17 Qualcomm Incorporated Methods and apparatus for synchronization and detection in wireless communication systems
US8396144B2 (en) * 2008-12-31 2013-03-12 Intel Corporation Method and system for OFDM symbol timing recovery
US8488663B2 (en) 2009-09-23 2013-07-16 Maxlinear, Inc. Impulse noise mitigation under out-of-band interference conditions
KR20130006935A (ko) * 2011-06-27 2013-01-18 삼성전자주식회사 수신기 및 이의 동작 방법
WO2013050351A1 (en) * 2011-10-04 2013-04-11 St-Ericsson Sa Processing of channel coefficients of a network
GB2515801A (en) * 2013-07-04 2015-01-07 Sony Corp Transmitter and receiver and methods of transmitting and receiving
TWI569594B (zh) * 2015-08-31 2017-02-01 晨星半導體股份有限公司 突波干擾消除裝置及突波干擾消除方法
US10775221B2 (en) 2017-09-29 2020-09-15 Rosemount Tank Radar Ab Adaptive echo threshold

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FI108975B (fi) * 1993-03-09 2002-04-30 Nokia Corp Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä
US6501810B1 (en) * 1998-10-13 2002-12-31 Agere Systems Inc. Fast frame synchronization
GB2307155B (en) * 1995-11-02 1999-09-15 British Broadcasting Corp Synchronisation of OFDM signals
US5790784A (en) * 1995-12-11 1998-08-04 Delco Electronics Corporation Network for time synchronizing a digital information processing system with received digital information
US6546055B1 (en) * 1998-01-12 2003-04-08 The Board Of Trustees Of The Leland Stanford Junior University Carrier offset determination for RF signals having a cyclic prefix
JP3688113B2 (ja) * 1998-04-23 2005-08-24 三菱電機株式会社 デジタル音声放送受信機
JP3428965B2 (ja) * 1998-12-01 2003-07-22 サムスン エレクトロニクス カンパニー リミテッド 直交周波数分割多重／符号分割多重接続システムの周波数同期装置
JP2000236284A (ja) * 1999-02-15 2000-08-29 Sony Corp 相関検出装置及び方法
JP2000252951A (ja) * 1999-03-01 2000-09-14 Sony Corp 同期信号検出方法及び無線通信装置
US6614864B1 (en) * 1999-10-12 2003-09-02 Itran Communications Ltd. Apparatus for and method of adaptive synchronization in a spread spectrum communications receiver
US6650617B1 (en) * 2000-02-22 2003-11-18 Thomson Licensing S.A. Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system
US6771591B1 (en) * 2000-07-31 2004-08-03 Thomson Licensing S.A. Method and system for processing orthogonal frequency division multiplexed signals

Also Published As

Publication number Publication date
EP1206096B1 (de) 2010-12-15
GB0027423D0 (en) 2000-12-27
EP1206096A2 (de) 2002-05-15
GB2369015A (en) 2002-05-15
JP4034957B2 (ja) 2008-01-16
EP1206096A3 (de) 2004-02-11
US20020110202A1 (en) 2002-08-15
JP2002368717A (ja) 2002-12-20
US7139338B2 (en) 2006-11-21

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