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SE9801748L - Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem - Google Patents

Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem

Info

Publication number
SE9801748L
SE9801748L SE9801748A SE9801748A SE9801748L SE 9801748 L SE9801748 L SE 9801748L SE 9801748 A SE9801748 A SE 9801748A SE 9801748 A SE9801748 A SE 9801748A SE 9801748 L SE9801748 L SE 9801748L
Authority
SE
Sweden
Prior art keywords
equalizer
sampling clock
transmitter
receiver
sample clock
Prior art date
Application number
SE9801748A
Other languages
English (en)
Other versions
SE9801748D0 (sv
Inventor
Magnus Johansson
Lennart Olsson
Gunnar Bahlenberg
Daniel Bengtsson
Mikael Isaksson
Sven-Rune Olofsson
Sven Goeran Oekvist
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
Application filed by Telia Ab filed Critical Telia Ab
Priority to SE9801748A priority Critical patent/SE9801748L/sv
Publication of SE9801748D0 publication Critical patent/SE9801748D0/sv
Priority to US09/700,617 priority patent/US7079610B1/en
Priority to EP99928289A priority patent/EP1084546B1/en
Priority to PCT/SE1999/000790 priority patent/WO1999060743A1/en
Priority to DE69905040T priority patent/DE69905040T2/de
Publication of SE9801748L publication Critical patent/SE9801748L/sv
Priority to US11/436,014 priority patent/US7526021B2/en

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
    • H04L27/2655—Synchronisation arrangements
    • 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
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms

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)
  • Synchronisation In Digital Transmission Systems (AREA)
SE9801748A 1998-05-18 1998-05-18 Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem SE9801748L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9801748A SE9801748L (sv) 1998-05-18 1998-05-18 Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem
US09/700,617 US7079610B1 (en) 1998-05-18 1999-05-11 Telecommunications transmission systems
EP99928289A EP1084546B1 (en) 1998-05-18 1999-05-11 Improvements in, or relating to, telecommunications transmission systems
PCT/SE1999/000790 WO1999060743A1 (en) 1998-05-18 1999-05-11 Improvements in, or relating to, telecommunications transmission systems
DE69905040T DE69905040T2 (de) 1998-05-18 1999-05-11 Verbesserungen bei telekommunikationsübertragungssystemen, oder in bezug darauf
US11/436,014 US7526021B2 (en) 1998-05-18 2006-05-17 Telecommunications transmission systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9801748A SE9801748L (sv) 1998-05-18 1998-05-18 Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem

Publications (2)

Publication Number Publication Date
SE9801748D0 SE9801748D0 (sv) 1998-05-18
SE9801748L true SE9801748L (sv) 1999-11-19

Family

ID=20411360

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9801748A SE9801748L (sv) 1998-05-18 1998-05-18 Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem

Country Status (5)

Country Link
US (2) US7079610B1 (sv)
EP (1) EP1084546B1 (sv)
DE (1) DE69905040T2 (sv)
SE (1) SE9801748L (sv)
WO (1) WO1999060743A1 (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9801748L (sv) * 1998-05-18 1999-11-19 Telia Ab Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem
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
GB2364205B (en) * 2000-06-29 2002-09-18 Piping Hot Networks Ltd Broadband communications
FI112306B (sv) * 2000-12-05 2003-11-14 Tellabs Oy Förfarande och anordning för kvalitetsförbättring av en QAM- eller CAP-modulerad modemförbindelses mottagarsynkronisering
US7292629B2 (en) 2002-07-12 2007-11-06 Rambus Inc. Selectable-tap equalizer
US7994933B2 (en) 2004-03-30 2011-08-09 Itron, Inc. Frequency shift compensation, such as for use in a wireless utility meter reading environment
KR100646197B1 (ko) * 2005-07-01 2006-11-14 엘지전자 주식회사 라인 이퀄라이저용 시간 지연회로를 포함하는 수신기 회로.
US8363635B2 (en) * 2008-08-20 2013-01-29 Wei Chi Liu Method and system for reducing power consumption of signal synchronization
US8619908B2 (en) * 2009-12-02 2013-12-31 Harris Corporation Wireless ranging system and related methods
US8723720B2 (en) 2011-05-03 2014-05-13 Harris Corporation Wireless location detection and/or tracking device and associated methods

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879664A (en) * 1973-05-07 1975-04-22 Signatron High speed digital communication receiver
SE500986C2 (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
CA2182974C (en) * 1994-12-09 2000-02-08 Brent Townshend High speed communications system for analog subscriber connections
US5802117A (en) * 1996-02-08 1998-09-01 Philips Electronics North America Corporation Method and apparatus for joint frequency offset and timing estimation of a multicarrier modulation system
US5949820A (en) * 1996-08-01 1999-09-07 Nec Electronics Inc. Method for optimizing an equalization and receive filter
SE9703630L (sv) * 1997-03-03 1998-09-04 Telia Ab Förbättringar av, eller med avseende på, synkronisering
SE9703629L (sv) * 1997-03-03 1998-09-04 Telia Ab Förbättringar av, eller med avseende på, synkronisering
US6876675B1 (en) * 1998-02-06 2005-04-05 Cisco Technology, Inc. Synchronization in OFDM systems
US6546063B1 (en) * 1998-02-10 2003-04-08 Agere Systems Inc. Asynchronous clock for adaptive equalization
KR100377255B1 (ko) * 1998-04-14 2003-03-26 프라운호퍼-게젤샤프트 츄어 푀르더룽 데어 안게반텐 포르슝에.파우. 멀티캐리어 시스템을 위한 프레임 구조와 프레임 동기화
EA002748B1 (ru) * 1998-04-14 2002-08-29 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Способ и устройство для точной синхронизации частоты в системах демодуляции множества несущих
DE69802212T2 (de) * 1998-04-14 2002-06-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Grobe frequenzsynchronisierung in mehrträgersystemen
SE9801748L (sv) * 1998-05-18 1999-11-19 Telia Ab Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem
US6539063B1 (en) * 1999-02-18 2003-03-25 Ibiquity Digital Corporation System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system
US7023938B1 (en) * 1999-04-08 2006-04-04 Nec Usa, Inc. Receiver for discrete multitone modulated signals having window function
US6928046B1 (en) * 1999-05-05 2005-08-09 Lucent Technologies Inc. Frame synchronization of an OFDM signal
US6456063B1 (en) * 2000-11-03 2002-09-24 Delphi Technologies, Inc. Self compensating control circuit for digital magnetic sensors

Also Published As

Publication number Publication date
EP1084546A1 (en) 2001-03-21
DE69905040D1 (de) 2003-02-27
EP1084546B1 (en) 2003-01-22
WO1999060743A1 (en) 1999-11-25
US20060209976A1 (en) 2006-09-21
US7079610B1 (en) 2006-07-18
SE9801748D0 (sv) 1998-05-18
US7526021B2 (en) 2009-04-28
DE69905040T2 (de) 2004-01-22

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