FI106592B - Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä - Google Patents

Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä Download PDF

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Publication number
FI106592B
FI106592B FI981015A FI981015A FI106592B FI 106592 B FI106592 B FI 106592B FI 981015 A FI981015 A FI 981015A FI 981015 A FI981015 A FI 981015A FI 106592 B FI106592 B FI 106592B
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FI
Finland
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FI981015A
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English (en)
Finnish (fi)
Swedish (sv)
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FI981015L (fi
FI981015A0 (fi
Inventor
Arto Palin
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Nokia Multimedia Network Termi
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Application filed by Nokia Multimedia Network Termi filed Critical Nokia Multimedia Network Termi
Priority to FI981015A priority Critical patent/FI106592B/fi
Publication of FI981015A0 publication Critical patent/FI981015A0/fi
Priority to EP99108493A priority patent/EP0955754B1/fr
Priority to DE69933409T priority patent/DE69933409T2/de
Priority to US09/307,642 priority patent/US6421401B1/en
Publication of FI981015L publication Critical patent/FI981015L/fi
Application granted granted Critical
Publication of FI106592B publication Critical patent/FI106592B/fi

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    • 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
    • H04L27/2662—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FI981015A 1998-05-07 1998-05-07 Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä FI106592B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI981015A FI106592B (fi) 1998-05-07 1998-05-07 Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä
EP99108493A EP0955754B1 (fr) 1998-05-07 1999-04-30 Procédé et système pour atteindre et maintenir la synchronisation de symbole dans un sytème de transmission OFDM
DE69933409T DE69933409T2 (de) 1998-05-07 1999-04-30 Verfahren un Anordnung zum Erreichen und Aufrechterhalten der Symbolsynchronisierung in einem OFDM-Übertragungssystem
US09/307,642 US6421401B1 (en) 1998-05-07 1999-05-07 Method and apparatus for achieving and maintaining symbol synchronization particularly in an OFDM system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI981015 1998-05-07
FI981015A FI106592B (fi) 1998-05-07 1998-05-07 Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä

Publications (3)

Publication Number Publication Date
FI981015A0 FI981015A0 (fi) 1998-05-07
FI981015L FI981015L (fi) 1999-11-08
FI106592B true FI106592B (fi) 2001-02-28

Family

ID=8551676

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981015A FI106592B (fi) 1998-05-07 1998-05-07 Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä

Country Status (4)

Country Link
US (1) US6421401B1 (fr)
EP (1) EP0955754B1 (fr)
DE (1) DE69933409T2 (fr)
FI (1) FI106592B (fr)

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US6735255B1 (en) 1999-05-28 2004-05-11 3Com Corporation Correlation based method of determining frame boundaries of data frames that are periodically extended
KR100335443B1 (ko) * 1999-06-15 2002-05-04 윤종용 직교주파수분할다중변조 신호의 심볼 타이밍 및 주파수 동기 장치 및 방법
GB2353681B (en) * 1999-08-27 2003-01-15 Mitsubishi Electric Inf Tech OFDM frame synchronisation
CN1694446A (zh) 1999-08-27 2005-11-09 三菱电机株式会社 同步脉冲产生方法及ofdm信号接收方法
US6650617B1 (en) * 2000-02-22 2003-11-18 Thomson Licensing S.A. Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system
JP3789275B2 (ja) * 2000-02-28 2006-06-21 三菱電機株式会社 副搬送波周波数信号復調装置
WO2001065794A1 (fr) * 2000-02-29 2001-09-07 3Com Corporation Procede de synchronisation de symboles de multiporteuse au moyen d'une correlation
US6771591B1 (en) * 2000-07-31 2004-08-03 Thomson Licensing S.A. Method and system for processing orthogonal frequency division multiplexed signals
GB2369275B (en) * 2000-11-21 2004-07-07 Ubinetics Ltd A rake receiver and a method of providing a frequency error estimate
SG111072A1 (en) * 2002-07-03 2005-05-30 Oki Techno Ct Singapore Pte Receiver and method for wlan burst type signals
AU2003238128A1 (en) 2003-06-30 2005-01-13 Nokia Corporation Faster fine timing operation in multi-carrier system
AU2003267470A1 (en) * 2003-10-03 2005-04-21 Nokia Corporation Method, system and receiver for receiving a multi-carrier transmission
DE602004029754D1 (de) * 2003-12-08 2010-12-09 Panasonic Corp Demodulator und Demodulationsmethode und integrierter Schaltkreis des Demodulators
RU2254684C1 (ru) * 2004-01-08 2005-06-20 Общество с ограниченной ответственностью "Информационный Вычислительный Центр" Цифровое устройство символьной синхронизации
FR2868640B1 (fr) * 2004-03-31 2006-06-09 St Microelectronics Sa Demodulateur cofdm a positionnement optimal de fenetre d'analyse fft
US20060120468A1 (en) * 2004-12-03 2006-06-08 Che-Li Lin Method and system for guard interval size detection
US20060140110A1 (en) * 2004-12-28 2006-06-29 Mediatek Inc. Method and system for joint mode and guard interval detection
US20060140109A1 (en) * 2004-12-28 2006-06-29 Mediatek Incorporation Method and system for joint mode and guard interval detection
US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
TWI293843B (en) * 2005-07-28 2008-02-21 Ind Tech Res Inst Synchronization method and apparatus for ofdm systems
TWI295884B (en) * 2005-10-26 2008-04-11 Sunplus Technology Co Ltd Method for symbol timing synchronization and apparatus thereof
US7733983B2 (en) * 2005-11-14 2010-06-08 Ibiquity Digital Corporation Symbol tracking for AM in-band on-channel radio receivers
CN1976331B (zh) * 2005-11-28 2011-06-08 凌阳科技股份有限公司 码元定时同步方法及使用该方法的装置
KR100759317B1 (ko) * 2005-12-29 2007-09-17 노키아 코포레이션 멀티 캐리어 시스템의 고속 파인 타이밍 동작
CN101606367B (zh) * 2007-02-09 2012-12-05 Nxp股份有限公司 使多载波系统同步的方法和多载波系统
TWI378692B (en) * 2007-07-06 2012-12-01 Princeton Technology Corp Device for determining pn code automatically and related method
US8705597B2 (en) * 2008-07-11 2014-04-22 Commissariat A L'energie Atomique Et Aux Energies Alternatives Estimation of the impulse response of a system on the basis of binary observations
WO2010104591A1 (fr) * 2009-03-12 2010-09-16 Thomson Licensing Procédé et appareil pour une détection de spectre pour des systèmes de multiplexage par répartition orthogonale de la fréquence (ofdm) employant des sons pilotes
TW201141144A (en) 2009-11-16 2011-11-16 Maxlinear Inc Apparatus and methods for symbol timing error detection, tracking and correction
US9054790B2 (en) * 2010-03-22 2015-06-09 Decawave Ltd. Receiver for use in an ultra-wideband communication system
RU2711752C2 (ru) * 2019-06-26 2020-01-21 Геннадий Сендерович Брайловский Способ подстройки частоты по данным и фазовый детектор

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US5627863A (en) * 1994-07-15 1997-05-06 Amati Communications Corporation Frame synchronization in multicarrier transmission systems
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
EP0772332A3 (fr) 1995-11-02 2000-10-11 British Broadcasting Corporation Synchronisation de signaux MDFO
DE19542991A1 (de) 1995-11-17 1997-05-22 Bosch Gmbh Robert Verfahren zur Synchronisierung eines Empfängers für digitale Signale
FR2743967B1 (fr) 1996-01-18 1998-03-27 France Telecom Procede et dispositif de synchronisation temporelle d'un recepteur d'un signal multiporteuse
JPH1065605A (ja) * 1996-08-23 1998-03-06 Sony Corp 受信方法、タイミング検出装置及び受信装置
JP4447056B2 (ja) 1996-09-02 2010-04-07 エステー マイクロエレクトロニクス ナームローゼ ベンノートシャップ 多重搬送波伝送システムにおける、あるいはそれに関する改良
US5991289A (en) * 1997-08-05 1999-11-23 Industrial Technology Research Institute Synchronization method and apparatus for guard interval-based OFDM signals

Also Published As

Publication number Publication date
US6421401B1 (en) 2002-07-16
FI981015L (fi) 1999-11-08
FI981015A0 (fi) 1998-05-07
DE69933409D1 (de) 2006-11-16
EP0955754B1 (fr) 2006-10-04
EP0955754A1 (fr) 1999-11-10
DE69933409T2 (de) 2007-07-12

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