ATE232034T1 - Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme - Google Patents

Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme

Info

Publication number
ATE232034T1
ATE232034T1 AT97939276T AT97939276T ATE232034T1 AT E232034 T1 ATE232034 T1 AT E232034T1 AT 97939276 T AT97939276 T AT 97939276T AT 97939276 T AT97939276 T AT 97939276T AT E232034 T1 ATE232034 T1 AT E232034T1
Authority
AT
Austria
Prior art keywords
sampling clock
carrier
relating
carrier transmission
transmission systems
Prior art date
Application number
AT97939276T
Other languages
English (en)
Inventor
Mikael Isaksson
Magnus Johansson
Harry Tonvall
Lennart Olsson
Tomas Stefansson
Hans Oehman
Gunnar Bahlenberg
Anders Isaksson
Goeran Oekvist
Lis-Marie Ljunggren
Tomas Nordstroem
Lars-Ake Isaksson
Daniel Bengtsson
Siwert Hakansson
Ye Wen
Original Assignee
St Microelectronics Nv
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
Priority claimed from SE9603189A external-priority patent/SE506636C2/sv
Application filed by St Microelectronics Nv filed Critical St Microelectronics Nv
Application granted granted Critical
Publication of ATE232034T1 publication Critical patent/ATE232034T1/de

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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe 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
AT97939276T 1996-09-02 1997-09-01 Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme ATE232034T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9603189A SE506636C2 (sv) 1996-05-24 1996-09-02 Förbättringar av, eller med avseende på, multibärvågssystem
PCT/SE1997/001452 WO1998010547A2 (en) 1996-09-02 1997-09-01 Improvements in, or relating to, multi-carrier transmission systems

Publications (1)

Publication Number Publication Date
ATE232034T1 true ATE232034T1 (de) 2003-02-15

Family

ID=20403747

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97939276T ATE232034T1 (de) 1996-09-02 1997-09-01 Verbesserungen in, oder in bezug auf mehrträgerübertragungssysteme

Country Status (7)

Country Link
US (1) US6363128B1 (de)
EP (1) EP0922342B1 (de)
JP (1) JP4447056B2 (de)
AT (1) ATE232034T1 (de)
DE (1) DE69718799T2 (de)
NO (1) NO990769L (de)
WO (1) WO1998010547A2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0930751B1 (de) * 1998-01-19 2003-11-12 Victor Company Of Japan, Limited Anordnung zur Symbolsynchronisierung in einem OFDM-Übertragungssystem unter Verwendung der Eigenschaften eines Kommunikationskanals
FI106592B (fi) 1998-05-07 2001-02-28 Nokia Multimedia Network Termi Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä
US6707868B1 (en) * 1999-04-12 2004-03-16 Intel Corporation Apparatus for recovering timing of a digital signal for a transceiver
US6680940B1 (en) * 1999-05-19 2004-01-20 3Com Corporation System for transporting ethernet frames over very high speed digital subscriber lines
DE69938906D1 (de) * 1999-05-21 2008-07-24 Fujitsu Ltd Digitales Teilnehmerleitungsverfahren, -gerät und -system unter Verwendung synchroner Verarbeitung
US6587476B1 (en) 1999-05-26 2003-07-01 3 Com Corporation Ethernet frame encapsulation over VDSL using HDLC
US6608834B1 (en) 1999-05-26 2003-08-19 3 Com Corporation System for encapsulating Ethernet frames over very high speed digital subscriber lines
US6625113B1 (en) * 1999-08-30 2003-09-23 Agere Systems Inc. Digital signal frame and interleaver synchronizer
EP2293459A3 (de) 2000-01-07 2014-04-16 TQ Delta, LLC Systeme und Verfahren zur Charakterisierung von Übertragunsleitern in einem DSL Mehrträgersystem
US20010031016A1 (en) * 2000-03-14 2001-10-18 Ernest Seagraves Enhanced bitloading for multicarrier communication channel
US6944120B2 (en) * 2000-04-12 2005-09-13 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Method and system for tiered digital television terrestrial broadcasting services using multi-bit-stream frequency interleaved OFDM
CA2689952A1 (en) 2000-04-18 2001-10-25 Aware, Inc. Data allocation with variable snr margins
WO2003026297A1 (en) * 2001-09-12 2003-03-27 Samsung Electronics Co., Ltd. Method and apparatus for transferring channel information in ofdm communications
WO2003090400A1 (en) * 2002-04-19 2003-10-30 Conexant Systems, Inc. System for and method of determining timing information from a multi-carrier signal
SG111072A1 (en) * 2002-07-03 2005-05-30 Oki Techno Ct Singapore Pte Receiver and method for wlan burst type signals
US7277517B1 (en) 2002-11-15 2007-10-02 3Com Corporation Method for achieving symbol alignment to a pre-existing ADSL data exchange
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
TW200522623A (en) * 2003-03-03 2005-07-01 Interdigital Tech Corp Reduced complexity sliding window based equalizer
WO2004086710A1 (en) * 2003-03-28 2004-10-07 Intel Corporation System and method for two channel frequency offset estimation of ofdm signals
EP1609284A1 (de) * 2003-03-28 2005-12-28 Intel Corporation System und verfahren zur adaptiven phasenkompensation von ofdm-signalen
EP1609283A1 (de) * 2003-03-28 2005-12-28 Intel Corporation Verfahren und vorrichtung zur ofdm-symboltaktsynchronisierung
DE60316202T2 (de) * 2003-10-03 2008-05-29 Nokia Corp. Verfahren, system und empfänger zum empfangen einer mehrträger-übertragung
JP4438482B2 (ja) * 2004-04-05 2010-03-24 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 受信品質推定方法および装置
CN101405984B (zh) * 2005-12-23 2011-08-24 创达特（苏州）科技有限责任公司 多通道时钟恢复系统
US7907679B2 (en) * 2007-01-12 2011-03-15 General Dynamics C4 Systems, Inc. Methods and systems for acquiring signals using coherent match filtering
US8139680B2 (en) 2007-01-12 2012-03-20 General Dynamics C4 Systems, Inc. Signal acquisition methods and apparatus in wireless communication systems
JP5423505B2 (ja) * 2010-03-17 2014-02-19 富士通株式会社 無線基地局及び通信方法
JP5786478B2 (ja) * 2011-06-15 2015-09-30 富士通株式会社 動画像復号装置、動画像復号方法、及び動画像復号プログラム
CN107332749B (zh) * 2017-07-05 2020-09-22 北京东土科技股份有限公司 基于工业互联网现场层宽带总线架构的同步方法及装置
DE112018007716B4 (de) * 2018-07-11 2022-05-12 Mitsubishi Electric Corporation Drahtloses Kommunikationssystem, drahtloses Kommunikationsverfahren und Speichermedium zum Speichern eines Programms zum Steuern des Systems
US10560289B1 (en) 2018-09-13 2020-02-11 Viasat, Inc. Adaptive equalizer system
KR102067938B1 (ko) * 2019-01-14 2020-01-17 박천수 제로포스 이퀄라이징 벡터합성 앱솔루트 엔코더 구현방법 및 그 장치
US10944535B2 (en) * 2019-05-29 2021-03-09 Shure Acquisition Holdings, Inc. OFDMA baseband clock synchronization
FR3102620B1 (fr) 2019-10-24 2022-12-23 St Microelectronics Grenoble 2 Convertisseur de tension
FR3113142B1 (fr) 2020-07-30 2022-12-23 St Microelectronics Grenoble 2 Convertisseur de tension
FR3113140B1 (fr) 2020-07-30 2022-12-23 St Microelectronics Grenoble 2 Convertisseur de tension

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9302453L (sv) 1993-07-20 1994-10-17 Telia Ab Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
US5444697A (en) * 1993-08-11 1995-08-22 The University Of British Columbia Method and apparatus for frame synchronization in mobile OFDM data communication
JP2731722B2 (ja) * 1994-05-26 1998-03-25 日本電気株式会社 クロック周波数自動制御方式及びそれに用いる送信装置と受信装置
US5627863A (en) * 1994-07-15 1997-05-06 Amati Communications Corporation Frame synchronization in multicarrier transmission systems
JP3289610B2 (ja) * 1996-07-31 2002-06-10 日本ビクター株式会社 Ｏｆｄｍ復調装置及びその方法
US6058101A (en) * 1997-06-11 2000-05-02 Industrial Technology Research Institute Synchronization method and system for a digital receiver

Also Published As

Publication number Publication date
DE69718799T2 (de) 2003-11-13
JP2000517506A (ja) 2000-12-26
US6363128B1 (en) 2002-03-26
WO1998010547A2 (en) 1998-03-12
WO1998010547A3 (en) 1998-05-07
NO990769D0 (no) 1999-02-19
EP0922342A2 (de) 1999-06-16
NO990769L (no) 1999-04-30
EP0922342B1 (de) 2003-01-29
DE69718799D1 (de) 2003-03-06
JP4447056B2 (ja) 2010-04-07

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