DE69719333D1 - Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme - Google Patents

Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme

Info

Publication number
DE69719333D1
DE69719333D1 DE69719333T DE69719333T DE69719333D1 DE 69719333 D1 DE69719333 D1 DE 69719333D1 DE 69719333 T DE69719333 T DE 69719333T DE 69719333 T DE69719333 T DE 69719333T DE 69719333 D1 DE69719333 D1 DE 69719333D1
Authority
DE
Germany
Prior art keywords
carrier
pilot carrier
pilot
phase
receiver
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
DE69719333T
Other languages
English (en)
Other versions
DE69719333T2 (de
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
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.)
STMicroelectronics NV
Original Assignee
STMicroelectronics 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 SE9603190A external-priority patent/SE506637C2/sv
Application filed by STMicroelectronics NV filed Critical STMicroelectronics NV
Publication of DE69719333D1 publication Critical patent/DE69719333D1/de
Application granted granted Critical
Publication of DE69719333T2 publication Critical patent/DE69719333T2/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
    • H04L27/2657—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
    • H04L27/2675—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
DE69719333T 1996-09-02 1997-09-01 Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme Expired - Lifetime DE69719333T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9603190A SE506637C2 (sv) 1996-05-24 1996-09-02 Förbättringar av, eller med avseende på, multibärvågssystem
PCT/SE1997/001453 WO1998010548A2 (en) 1996-09-02 1997-09-01 Improvements in, or relating to, multi-carrier transmission systems

Publications (2)

Publication Number Publication Date
DE69719333D1 true DE69719333D1 (de) 2003-04-03
DE69719333T2 DE69719333T2 (de) 2003-12-04

Family

ID=20403748

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719333T Expired - Lifetime DE69719333T2 (de) 1996-09-02 1997-09-01 Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme

Country Status (7)

Country Link
US (1) US6493395B1 (de)
EP (1) EP0920756B1 (de)
JP (1) JP4130994B2 (de)
AT (1) ATE233451T1 (de)
DE (1) DE69719333T2 (de)
NO (1) NO990770L (de)
WO (1) WO1998010548A2 (de)

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US7274652B1 (en) * 2000-06-02 2007-09-25 Conexant, Inc. Dual packet configuration for wireless communications
JP3186665B2 (ja) * 1997-09-19 2001-07-11 三菱電機株式会社 位相推定回路および復調回路
GB9901491D0 (en) * 1999-01-22 1999-03-17 Univ Bristol Receiver
JP2000269919A (ja) * 1999-03-16 2000-09-29 Matsushita Electric Ind Co Ltd Ｏｆｄｍ通信装置
SE521513C2 (sv) * 1999-06-04 2003-11-11 Ericsson Telefon Ab L M Förfarande och anordning i ett flertonstransmissionssystem
US7039139B1 (en) * 1999-07-21 2006-05-02 Honeywell International Inc. System for increasing digital data demodulator synchronization timing resolution using training sequence correlation values
US6449246B1 (en) 1999-09-15 2002-09-10 Telcordia Technologies, Inc. Multicarrier personal access communication system
JP2001103033A (ja) * 1999-09-30 2001-04-13 Hitachi Denshi Ltd データ伝送装置
US7012982B1 (en) * 1999-11-24 2006-03-14 Verizon Laboratories Inc. Method and system for de-jittering of transmitted MPEG-2 and MPEG-4 video
US7787525B1 (en) * 1999-12-24 2010-08-31 Schlumberger Technology Corporation Method and apparatus for transmission of well-bore data on multiple carrier frequencies
PT1245093E (pt) 2000-01-07 2007-01-31 Aware Inc Sistemas e métodos de diagnóstico para modems de portadoras múltiplas
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
EP1830535B1 (de) 2000-04-18 2011-06-15 Aware, Inc. Mehrträgersystem mit einer Mehrzahl von SNR-Abständen
EP1162803A1 (de) * 2000-06-05 2001-12-12 Telefonaktiebolaget L M Ericsson (Publ) Frequenznachlaufgerät und -verfahren für einen Empfänger eines Multiträger-Kommunikationssystems
EP1162777A1 (de) * 2000-06-07 2001-12-12 Alcatel Mehrträger-Kommunikationsystem mit Abtastratenpilotkanal und Zeitduplexrasterfrequenz-pilotkanal
US6831975B1 (en) 2000-09-13 2004-12-14 Texas Instruments Incorporated Digital subscriber line (DSL) modem compatible with home networks
WO2002051090A1 (en) * 2000-12-20 2002-06-27 Nokia Corporation Method of detecting pilot tones in a noisy signal
US6914952B2 (en) * 2001-01-19 2005-07-05 3Com Corporation Superframe alignment to a pre-existing ADSL data exchange
US7020095B2 (en) * 2001-06-16 2006-03-28 Maxim Integrated Products, Inc. System and method for modulation of non-data bearing carriers in a multi-carrier modulation system
US7436881B2 (en) * 2001-09-28 2008-10-14 Nec Corporation Per-bin DFE for advanced OQAM-based multi-carrier wireless data transmission systems
US7116745B2 (en) * 2002-04-17 2006-10-03 Intellon Corporation Block oriented digital communication system and method
DE60216159D1 (de) * 2002-09-27 2006-12-28 Ericsson Telefon Ab L M Beurteilen von orthogonalen in einem drahtlosen kommunikationsnetzwerk gesendeten kodes
EP1434414B1 (de) * 2002-12-27 2013-11-20 Koninklijke KPN N.V. System zur Erfassung der Auswirkung einer ADSL Verteileranordnung auf ein ISDN Netzwerk
US7042967B2 (en) 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
CN100479338C (zh) 2003-03-03 2009-04-15 美商内数位科技公司 以降低复杂度滑窗为基础的均衡器
US7502336B2 (en) * 2004-06-30 2009-03-10 2Wire, Inc. Multi-carrier communication using adaptive tone-pruning
EP1805927A1 (de) 2004-10-11 2007-07-11 2Wire, Inc. Verminderung von periodischem impulsrauschen in einem dsl-system
US7953163B2 (en) 2004-11-30 2011-05-31 Broadcom Corporation Block linear equalization in a multicarrier communication system
TWI286015B (en) * 2005-01-24 2007-08-21 Realtek Semiconductor Corp Apparatus and method for tracking sampling clock in multi-carrier communication system
US7489755B2 (en) * 2005-02-09 2009-02-10 Motorola, Inc. Method and apparatus for transmission and reception of data
US7852950B2 (en) 2005-02-25 2010-12-14 Broadcom Corporation Methods and apparatuses for canceling correlated noise in a multi-carrier communication system
US9374257B2 (en) 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7813439B2 (en) 2006-02-06 2010-10-12 Broadcom Corporation Various methods and apparatuses for impulse noise detection
US7613104B2 (en) * 2006-05-31 2009-11-03 Nokia Corporation Method, apparatus and computer program product providing synchronization for OFDMA downlink signal
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
US8605837B2 (en) 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems
EP2347538B1 (de) 2008-10-20 2018-08-22 Thomson Licensing Verfahren und vorrichtung zum erzeugen einer präambel zur verwendung in einem kabelübertragungssystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500986C2 (sv) 1993-07-20 1994-10-17 Telia Ab Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
JPH0746218A (ja) * 1993-07-28 1995-02-14 Sony Corp ディジタル復調装置
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
US5627863A (en) * 1994-07-15 1997-05-06 Amati Communications Corporation Frame synchronization in multicarrier transmission systems
US6181714B1 (en) * 1996-09-02 2001-01-30 Telia Ab Multi-carrier transmission systems

Also Published As

Publication number Publication date
ATE233451T1 (de) 2003-03-15
EP0920756A2 (de) 1999-06-09
WO1998010548A2 (en) 1998-03-12
JP2000517507A (ja) 2000-12-26
US6493395B1 (en) 2002-12-10
NO990770D0 (no) 1999-02-19
WO1998010548A3 (en) 1998-06-04
DE69719333T2 (de) 2003-12-04
EP0920756B1 (de) 2003-02-26
JP4130994B2 (ja) 2008-08-13
NO990770L (no) 1999-04-29

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