NO990777L - FremgangsmÕte for Õ oppdatere frekvensdomene utjevningsparametre, samt et kanalestimerings- og utjevningssystem - Google Patents

FremgangsmÕte for Õ oppdatere frekvensdomene utjevningsparametre, samt et kanalestimerings- og utjevningssystem

Info

Publication number
NO990777L
NO990777L NO990777A NO990777A NO990777L NO 990777 L NO990777 L NO 990777L NO 990777 A NO990777 A NO 990777A NO 990777 A NO990777 A NO 990777A NO 990777 L NO990777 L NO 990777L
Authority
NO
Norway
Prior art keywords
equalization
frequency domain
updating
procedure
well
Prior art date
Application number
NO990777A
Other languages
English (en)
Norwegian (no)
Other versions
NO990777D0 (no
Inventor
Mikael Isaksson
Magnus Johansson
Harry Tonvall
Lennart Olsson
Tomas Stefansson
Hans Ihman
Gunnar Bahlenberg
Anders Isaksson
G Ran Ikvist
Lis-Marie Ljunggren
M Tomas Nordstr
Lars-Ke Isaksson
Daniel Bengtsson
Siwert Hokansson
Ye Wen
Original Assignee
Telia Ab
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 SE9603197A external-priority patent/SE506644C2/sv
Application filed by Telia Ab filed Critical Telia Ab
Publication of NO990777D0 publication Critical patent/NO990777D0/no
Publication of NO990777L publication Critical patent/NO990777L/no

Links

Classifications

    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04L27/2649—Demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03522—Frequency domain
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Filters That Use Time-Delay Elements (AREA)
NO990777A 1996-09-02 1999-02-19 FremgangsmÕte for Õ oppdatere frekvensdomene utjevningsparametre, samt et kanalestimerings- og utjevningssystem NO990777L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9603197A SE506644C2 (sv) 1996-06-04 1996-09-02 Förbättringar av, eller med avseende på, multibärvågssystem
PCT/SE1997/001460 WO1998010555A2 (en) 1996-09-02 1997-09-01 Improvements in, or relating to, multi-carrier transmission systems

Publications (2)

Publication Number Publication Date
NO990777D0 NO990777D0 (no) 1999-02-19
NO990777L true NO990777L (no) 1999-04-29

Family

ID=20403755

Family Applications (1)

Application Number Title Priority Date Filing Date
NO990777A NO990777L (no) 1996-09-02 1999-02-19 FremgangsmÕte for Õ oppdatere frekvensdomene utjevningsparametre, samt et kanalestimerings- og utjevningssystem

Country Status (7)

Country Link
US (1) US6320903B1 (de)
EP (1) EP0922346B1 (de)
JP (1) JP4130997B2 (de)
AT (1) ATE245324T1 (de)
DE (1) DE69723563T2 (de)
NO (1) NO990777L (de)
WO (1) WO1998010555A2 (de)

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US6590872B1 (en) * 1997-12-12 2003-07-08 Thomson Licensing S.A. Receiver with parallel correlator for acquisition of spread spectrum digital transmission
US6782096B1 (en) * 1998-11-12 2004-08-24 Paradyne Corporation Subscriber line driver and termination
GB9827601D0 (en) * 1998-12-15 1999-02-10 Northern Telecom Ltd A power line communications system and method of operation thereof
US6925067B2 (en) * 1999-04-23 2005-08-02 Qualcomm, Incorporated Configuration of overhead channels in a mixed bandwidth system
US6567491B1 (en) * 1999-10-14 2003-05-20 Tropian, Inc. High efficiency line driver for high crest-factor signals such as DMT/ADSL signals
US6442129B1 (en) * 1999-12-06 2002-08-27 Intellon Corporation Enhanced channel estimation
DE69906548T2 (de) * 1999-12-14 2004-03-04 Stmicroelectronics N.V. DSL-Übertragungsystem mit Fernnebensprechkompensation
EP1109328B1 (de) * 1999-12-14 2004-02-25 STMicroelectronics S.A. DSL-Übertragungsystem mit Fernnebensprechkompensation
US6975694B1 (en) * 1999-12-15 2005-12-13 Paradyne Corporation Digital subscriber line driver
JP2001308820A (ja) * 2000-04-25 2001-11-02 Mitsubishi Electric Corp 直交周波数分割多重信号受信装置
US20020021750A1 (en) * 2000-05-12 2002-02-21 Belotserkovsky Maxim B. Method and apparatus for selective equalizer tap initialization in an OFDM system
US6831945B1 (en) * 2000-06-16 2004-12-14 Verizon Corporate Services Group Inc. Method and apparatus for remote identification of transmission channel interference
KR100353598B1 (ko) * 2000-10-05 2002-09-27 전자부품연구원 지퍼 방식의 브이디에스엘 시스템
US6999508B1 (en) 2000-11-07 2006-02-14 Texas Instruments Incorporated Multi-channel frequency domain equalizer for radio frequency interference cancellation
US6947477B2 (en) * 2001-01-19 2005-09-20 Raze Technologies, Inc. Apparatus and method for creating signal and profiles at a receiving station
US20030053625A1 (en) * 2001-09-10 2003-03-20 The Titan Corporation Self-synchronizing, stream-oriented data encryption technique
US7173990B2 (en) * 2001-12-27 2007-02-06 Dsp Group Inc. Joint equalization, soft-demapping and phase error correction in wireless system with receive diversity
EP1416688A1 (de) * 2002-10-31 2004-05-06 Motorola Inc. Iterative Kanalschätzung in Mehrträgerempfängern
WO2004045134A1 (en) * 2002-11-05 2004-05-27 The Titan Corporation Self-synchronizing, stream-oriented data encryption technique
EP1604466A4 (de) 2003-03-03 2007-06-27 Interdigital Tech Corp Entzerrer auf basis eines gleitenden fensters mit verminderter komplexität
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
US7324608B1 (en) * 2003-03-14 2008-01-29 Ralink Technology, Inc. Efficient subcarrier weighting to enhance receiver performance
JP4356392B2 (ja) 2003-08-07 2009-11-04 パナソニック株式会社 通信装置
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
US7321550B2 (en) * 2004-02-17 2008-01-22 Industrial Technology Research Institute Method of equalization in an OFDM system
AU2007219067A1 (en) * 2006-02-27 2007-08-30 Cohda Wireless Pty Ltd Method and system for communication in a wireless network
US8139680B2 (en) 2007-01-12 2012-03-20 General Dynamics C4 Systems, Inc. Signal acquisition methods and apparatus in wireless communication systems
US7907679B2 (en) * 2007-01-12 2011-03-15 General Dynamics C4 Systems, Inc. Methods and systems for acquiring signals using coherent match filtering
TWI575901B (zh) * 2015-06-17 2017-03-21 晨星半導體股份有限公司 通道效應消除裝置及通道效應消除方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285474A (en) 1992-06-12 1994-02-08 The Board Of Trustees Of The Leland Stanford, Junior University Method for equalizing a multicarrier signal in a multicarrier communication system
KR970009687B1 (ko) * 1993-06-02 1997-06-17 삼성전자 주식회사 디지탈통신을 위한 적응 등화시스템
SE500986C2 (sv) 1993-07-20 1994-10-17 Telia Ab Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
DE69630784T2 (de) * 1996-09-24 2004-09-30 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Datenverarbeitungsgerät und -verfahren
US6097763A (en) * 1997-10-31 2000-08-01 Pairgain Technologies, Inc. MMSE equalizers for DMT systems with cross talk

Also Published As

Publication number Publication date
US6320903B1 (en) 2001-11-20
NO990777D0 (no) 1999-02-19
WO1998010555A3 (en) 1998-06-04
JP4130997B2 (ja) 2008-08-13
JP2002513521A (ja) 2002-05-08
DE69723563D1 (de) 2003-08-21
EP0922346B1 (de) 2003-07-16
WO1998010555A2 (en) 1998-03-12
ATE245324T1 (de) 2003-08-15
EP0922346A2 (de) 1999-06-16
DE69723563T2 (de) 2004-05-13

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