SE9904281L - Digital kommunikationsmottagare och en arbetsmetod för densamma - Google Patents

Digital kommunikationsmottagare och en arbetsmetod för densamma

Info

Publication number
SE9904281L
SE9904281L SE9904281A SE9904281A SE9904281L SE 9904281 L SE9904281 L SE 9904281L SE 9904281 A SE9904281 A SE 9904281A SE 9904281 A SE9904281 A SE 9904281A SE 9904281 L SE9904281 L SE 9904281L
Authority
SE
Sweden
Prior art keywords
channel
digital communication
equalizer
communication receiver
received signal
Prior art date
Application number
SE9904281A
Other languages
English (en)
Swedish (sv)
Other versions
SE516962C2 (sv
SE9904281D0 (sv
Inventor
Bengt Lindoff
Niklas Stenstroem
Anders Khullar
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9904281A priority Critical patent/SE516962C2/sv
Publication of SE9904281D0 publication Critical patent/SE9904281D0/xx
Priority to US09/718,667 priority patent/US6888903B1/en
Priority to EP00982006A priority patent/EP1232660A1/en
Priority to PCT/SE2000/002300 priority patent/WO2001039531A1/en
Priority to AU19085/01A priority patent/AU1908501A/en
Priority to CNB008162409A priority patent/CN1169392C/zh
Priority to JP2001540550A priority patent/JP2003515997A/ja
Publication of SE9904281L publication Critical patent/SE9904281L/
Publication of SE516962C2 publication Critical patent/SE516962C2/sv

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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
SE9904281A 1999-11-25 1999-11-25 Digital kommunikationsmottagare med inbyggd styrenhet för in- och urkoppling av kanalföljare beroende av kommunikationskanalens kvalitet SE516962C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9904281A SE516962C2 (sv) 1999-11-25 1999-11-25 Digital kommunikationsmottagare med inbyggd styrenhet för in- och urkoppling av kanalföljare beroende av kommunikationskanalens kvalitet
US09/718,667 US6888903B1 (en) 1999-11-25 2000-11-22 Digital communication receiver and a method for the operation thereof
EP00982006A EP1232660A1 (en) 1999-11-25 2000-11-23 A digital communication receiver containing a channel tracker and a method for the operation thereof
PCT/SE2000/002300 WO2001039531A1 (en) 1999-11-25 2000-11-23 A digital communication receiver containing a channel tracker and a method for the operation thereof
AU19085/01A AU1908501A (en) 1999-11-25 2000-11-23 A digital communication receiver containing a channel tracker and a method for the operation thereof
CNB008162409A CN1169392C (zh) 1999-11-25 2000-11-23 包含信道跟踪器的数字通信接收机及其运行方法
JP2001540550A JP2003515997A (ja) 1999-11-25 2000-11-23 チャネルトラッカを含むデジタル通信受信機およびその動作方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9904281A SE516962C2 (sv) 1999-11-25 1999-11-25 Digital kommunikationsmottagare med inbyggd styrenhet för in- och urkoppling av kanalföljare beroende av kommunikationskanalens kvalitet

Publications (3)

Publication Number Publication Date
SE9904281D0 SE9904281D0 (sv) 1999-11-25
SE9904281L true SE9904281L (sv) 2001-05-26
SE516962C2 SE516962C2 (sv) 2002-03-26

Family

ID=20417862

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9904281A SE516962C2 (sv) 1999-11-25 1999-11-25 Digital kommunikationsmottagare med inbyggd styrenhet för in- och urkoppling av kanalföljare beroende av kommunikationskanalens kvalitet

Country Status (7)

Country Link
US (1) US6888903B1 ( )
EP (1) EP1232660A1 ( )
JP (1) JP2003515997A ( )
CN (1) CN1169392C ( )
AU (1) AU1908501A ( )
SE (1) SE516962C2 ( )
WO (1) WO2001039531A1 ( )

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3997890B2 (ja) * 2001-11-13 2007-10-24 松下電器産業株式会社 送信方法及び送信装置
US7221742B1 (en) * 2002-06-26 2007-05-22 Bellsouth Intellectual Property Corporation Voicemail box with caller-specific storage folders
GB2392066B (en) 2002-08-16 2005-11-09 Toshiba Res Europ Ltd Equaliser apparatus and methods
EP3457615B1 (en) * 2005-08-23 2021-09-22 Apple Inc. Methods and systems for ofdm multiple zone partitioning
JP4606995B2 (ja) * 2005-10-28 2011-01-05 Ｋｄｄｉ株式会社 デジタル信号伝送方法ならびに送信装置
US8059753B2 (en) * 2006-09-21 2011-11-15 Industrial Technology Research Institute Adaptive channel estimator and adaptive channel estimation method
TWI404378B (zh) * 2008-10-02 2013-08-01 Mstar Semiconductor Inc 通道估測器及通道估測方法
TW201039574A (en) * 2009-04-22 2010-11-01 Ralink Technology Corp Method of detecting transmission channel and a wireless communication system using the same
GB2514174B (en) * 2013-05-17 2015-12-02 Cambium Networks Ltd Improvements to adaptive modulation

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926277A1 (de) * 1989-08-09 1991-02-14 Philips Patentverwaltung Empfaenger fuer zeitvariant verzerrte datensignale
JPH03104329A (ja) 1989-09-19 1991-05-01 Nippon Telegr & Teleph Corp <Ntt> 移動通信チャネル割当て制御方式
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
JP3168610B2 (ja) * 1991-06-27 2001-05-21 日本電気株式会社 受信機
US5268930A (en) * 1991-12-19 1993-12-07 Novatel Communications Ltd. Decision feedback equalizer
CA2083304C (en) * 1991-12-31 1999-01-26 Stephen R. Huszar Equalization and decoding for digital communication channel
US5577068A (en) * 1992-06-08 1996-11-19 Ericsson Ge Mobile Communications Inc. Generalized direct update viterbi equalizer
FR2706100B1 (fr) * 1993-03-03 1995-07-21 Alcatel Mobile Comm France Procédé pour égaliser un bloc de données en réception dans un système de communications à accès multiple à répartition dans le temps et récepteur mettant en Óoeuvre ce procédé.
US5499272A (en) * 1994-05-31 1996-03-12 Ericsson Ge Mobile Communications Inc. Diversity receiver for signals with multipath time dispersion
EP0714217B1 (en) 1994-11-22 2005-07-27 Ntt Mobile Communications Network Inc. Method for searching a control channel in a mobile station
JPH0998465A (ja) 1995-09-29 1997-04-08 Nec Corp 携帯無線電話制御法及び携帯無線電話機
JP2878205B2 (ja) 1996-09-30 1999-04-05 日本電気アイシーマイコンシステム株式会社 移動体通信装置及びその制御方法
US6151484A (en) * 1997-08-08 2000-11-21 Ericsson Inc. Communications apparatus and methods for adaptive signal processing based on mobility characteristics
CA2269925C (en) * 1998-04-30 2004-02-03 Lucent Technologies Inc. Iterative channel estimation
US6370189B1 (en) * 1998-05-27 2002-04-09 Ericsson Inc. Apparatus and methods for variable delay channel tracking
US6263030B1 (en) * 1998-07-01 2001-07-17 Ericsson Inc. Equalizer with channel tracker switching
US6411649B1 (en) * 1998-10-20 2002-06-25 Ericsson Inc. Adaptive channel tracking using pilot sequences
US6320919B1 (en) * 1998-11-30 2001-11-20 Ericsson Inc. Adaptive channel characterization using decoded symbols
AU2213400A (en) * 1998-12-24 2000-07-31 Algorex, Inc. Enhanced method for adaptive equalization technique in mobile wireless systems
US6466616B1 (en) * 1999-07-02 2002-10-15 Telefonaktiebolaget Lm Ericsson (Publ) Power efficient equalization

Also Published As

Publication number Publication date
AU1908501A (en) 2001-06-04
SE516962C2 (sv) 2002-03-26
SE9904281D0 (sv) 1999-11-25
WO2001039531A1 (en) 2001-05-31
US6888903B1 (en) 2005-05-03
CN1399852A (zh) 2003-02-26
EP1232660A1 (en) 2002-08-21
CN1169392C (zh) 2004-09-29
JP2003515997A (ja) 2003-05-07

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Legal Events

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