SE9201924D0 - Saett och anordning vid digital signaloeverfoering - Google Patents

Saett och anordning vid digital signaloeverfoering

Info

Publication number
SE9201924D0
SE9201924D0 SE9201924A SE9201924A SE9201924D0 SE 9201924 D0 SE9201924 D0 SE 9201924D0 SE 9201924 A SE9201924 A SE 9201924A SE 9201924 A SE9201924 A SE 9201924A SE 9201924 D0 SE9201924 D0 SE 9201924D0
Authority
SE
Sweden
Prior art keywords
channel
signal
weighting factors
metric
delta
Prior art date
Application number
SE9201924A
Other languages
English (en)
Other versions
SE470371B (sv
SE9201924L (sv
Inventor
L G Larsson
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 SE9201924A priority Critical patent/SE470371B/sv
Publication of SE9201924D0 publication Critical patent/SE9201924D0/sv
Priority to NZ253807A priority patent/NZ253807A/en
Priority to CA002114625A priority patent/CA2114625C/en
Priority to AU54186/94A priority patent/AU662087B2/en
Priority to BR9305556A priority patent/BR9305556A/pt
Priority to PCT/SE1993/000477 priority patent/WO1994000924A1/en
Priority to JP6502244A priority patent/JPH06510414A/ja
Priority to GB9401509A priority patent/GB2273634B/en
Priority to MX9303650A priority patent/MX9303650A/es
Priority to CN93107608A priority patent/CN1049545C/zh
Priority to US08/079,886 priority patent/US5596607A/en
Priority to SA93140006A priority patent/SA93140006B1/ar
Publication of SE9201924L publication Critical patent/SE9201924L/sv
Publication of SE470371B publication Critical patent/SE470371B/sv
Priority to HK74896A priority patent/HK74896A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/005Control of transmission; Equalising
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/024Channel estimation channel estimation algorithms
    • H04L25/025Channel estimation channel estimation algorithms using least-mean-square [LMS] method
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • H04L25/03248Arrangements for operating in conjunction with other apparatus
    • H04L25/03292Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • H04L25/03312Arrangements specific to the provision of output signals
    • H04L25/03324Provision of tentative decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuits Of Receivers In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
SE9201924A 1992-06-23 1992-06-23 Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler SE470371B (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE9201924A SE470371B (sv) 1992-06-23 1992-06-23 Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler
CA002114625A CA2114625C (en) 1992-06-23 1993-05-28 A method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
JP6502244A JPH06510414A (ja) 1992-06-23 1993-05-28 デジタル信号送信において受信機で送信シンボルを予測する方法及び構成
GB9401509A GB2273634B (en) 1992-06-23 1993-05-28 A method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
AU54186/94A AU662087B2 (en) 1992-06-23 1993-05-28 A method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
BR9305556A BR9305556A (pt) 1992-06-23 1993-05-28 Processo para estimar em um receptor símbolos transmitidos por um sinal de rádio na transmissão digital de sinais e conjunto em um receptor de um sistema de radiotransmissão digital para estimar símbolos de um sinal de rádio
PCT/SE1993/000477 WO1994000924A1 (en) 1992-06-23 1993-05-28 A method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
NZ253807A NZ253807A (en) 1992-06-23 1993-05-28 Estimating received digital symbols using viterbi algorithm
MX9303650A MX9303650A (es) 1992-06-23 1993-06-17 UN METODO Y UN ARREGLO PARA CALCULAR SIMBOLOS TRANSMITIDOS EN UN RECEPTOR EN LA TRANSMISION DE SEñALES DIGITALES.
CN93107608A CN1049545C (zh) 1992-06-23 1993-06-23 一种在数字信号传输的接收机中估计所传输的符号的方法和设备
SA93140006A SA93140006B1 (ar) 1992-06-23 1993-06-23 طريقة وتنظيم الرموز المرسلة عند جهاز الاستقبال في البث بالاشارات الرقمية
US08/079,886 US5596607A (en) 1992-06-23 1993-06-23 Method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission
HK74896A HK74896A (en) 1992-06-23 1996-05-02 A method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9201924A SE470371B (sv) 1992-06-23 1992-06-23 Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler

Publications (3)

Publication Number Publication Date
SE9201924D0 true SE9201924D0 (sv) 1992-06-23
SE9201924L SE9201924L (sv) 1993-12-24
SE470371B SE470371B (sv) 1994-01-31

Family

ID=20386578

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9201924A SE470371B (sv) 1992-06-23 1992-06-23 Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler

Country Status (13)

Country Link
US (1) US5596607A (sv)
JP (1) JPH06510414A (sv)
CN (1) CN1049545C (sv)
AU (1) AU662087B2 (sv)
BR (1) BR9305556A (sv)
CA (1) CA2114625C (sv)
GB (1) GB2273634B (sv)
HK (1) HK74896A (sv)
MX (1) MX9303650A (sv)
NZ (1) NZ253807A (sv)
SA (1) SA93140006B1 (sv)
SE (1) SE470371B (sv)
WO (1) WO1994000924A1 (sv)

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FI105514B (sv) * 1994-09-12 2000-08-31 Nokia Mobile Phones Ltd Mottagningsförfarande och mottagare
FI102797B (sv) * 1994-10-07 1999-02-15 Nokia Mobile Phones Ltd Ett signaldetekteringsförfarande i en mottagare för ett TDMA-mobilradi osystem samt en mottagare för utföring av förfarandet
SE503522C2 (sv) * 1994-10-31 1996-07-01 Ericsson Telefon Ab L M Förfarande och anordning för kanalestimering
GB2302777B (en) * 1995-06-27 2000-02-23 Motorola Israel Ltd Method of recovering symbols of a digitally modulated radio signal
JPH0969862A (ja) * 1995-08-31 1997-03-11 Mitsubishi Electric Corp ディジタル無線通信受信機
KR0170690B1 (ko) * 1995-09-23 1999-03-20 김광호 반송파 및 심볼타이밍 복원완료 검출회로와 그 방법 및 이를 채용한 고해상도 텔레비젼
US5838739A (en) * 1996-03-29 1998-11-17 Ericsson Inc. Channel estimator circuitry, and associated method, for a digital communication system
US5815529A (en) * 1996-04-04 1998-09-29 Lucent Technologies Inc. Transmission system for digital audio broadcasting that incorporates a rotator in the transmitter
FI962140A (sv) 1996-05-21 1997-11-22 Nokia Telecommunications Oy Förfarande för att estimera ett impulssvar samt mottagare
US5727028A (en) * 1996-07-31 1998-03-10 Motorola, Inc. Method and apparatus for receiving a signal in a digital radio frequency communication system
US7190720B2 (en) * 2001-07-03 2007-03-13 Zenith Electronics Corporation Tap weight initializer for an adaptive equalizer
US6404828B2 (en) 1997-03-12 2002-06-11 Interdigital Technology Corporation Multichannel decoder
US20060262832A1 (en) * 1997-03-12 2006-11-23 Interdigital Technology Corporation Convolutionally encoding and decoding multiple data streams
US6005898A (en) 1997-03-12 1999-12-21 Interdigital Technology Corporation Multichannel viterbi decoder
US5937014A (en) * 1997-03-27 1999-08-10 Telefonaktiebolaget Lm Ericsson Self-synchronizing equalization techniques and systems
FI106681B (sv) 1997-08-29 2001-03-15 Nokia Networks Oy Förfarande för estimering av parameter och mottagare
US6130909A (en) * 1998-01-16 2000-10-10 Transamerica Business Credit Corporation Method and apparatus for equalization in a diversity receiver
JP3099796B2 (ja) * 1998-02-19 2000-10-16 日本電気株式会社 自動等化方法及び自動等化器
CA2269925C (en) * 1998-04-30 2004-02-03 Lucent Technologies Inc. Iterative channel estimation
EP0954143B1 (en) * 1998-04-30 2007-02-14 Lucent Technologies Inc. Iterative channel estimation
US6269131B1 (en) * 1998-05-28 2001-07-31 Glenayre Electronics, Inc. Physical channel estimator
US6771722B2 (en) * 1998-07-31 2004-08-03 Motorola, Inc. Channel estimator and method therefor
US6314148B1 (en) * 1998-12-08 2001-11-06 Ericsson Inc Synchronization tracking method
US7092457B1 (en) * 2000-01-18 2006-08-15 University Of Southern California Adaptive iterative detection
US6907092B1 (en) * 2000-07-14 2005-06-14 Comsys Communication & Signal Processing Ltd. Method of channel order selection and channel estimation in a wireless communication system
US6970520B1 (en) 2000-11-13 2005-11-29 Telefonaktiebolaget Lm Ericsson (Publ) Methods and systems for accumulating metrics generated by a sequence estimation algorithm
GB2392066B (en) * 2002-08-16 2005-11-09 Toshiba Res Europ Ltd Equaliser apparatus and methods
KR20040019499A (ko) * 2002-08-28 2004-03-06 삼성전자주식회사 등화속도를 향상시키는 등화기를 갖는 단일반송파수신기및 그의 등화방법
WO2005099130A1 (en) * 2004-04-09 2005-10-20 Axiocom Inc. Method and system for multi-user channel estimation in ds-cdma systems
US7209510B2 (en) * 2004-07-20 2007-04-24 Skyworks Solution, Inc. Channel estimation system for a wideband code division multiple access (WCDMA) communication system
EP1842349B1 (en) * 2005-01-14 2020-04-08 Texas Instruments Incorporated Communication system overlap-and-add operation
CN101369980B (zh) * 2008-09-26 2010-08-11 北京航空航天大学 基于自适应采样的带宽估计方法
CN101778061B (zh) * 2009-01-12 2013-01-30 瑞昱半导体股份有限公司 具有适应性信道估测功能的接收系统及适应性信道估测器
EP2769518A4 (en) * 2011-10-19 2015-10-28 Optis Cellular Technology Llc METHOD AND APPARATUS FOR CHANNEL PREDICTION
CN103945442A (zh) * 2014-05-07 2014-07-23 东南大学 移动通信系统中基于线性预测原理的系统异常检测方法
US9882710B2 (en) * 2016-06-23 2018-01-30 Macom Connectivity Solutions, Llc Resolving interaction between channel estimation and timing recovery
US10135606B2 (en) 2016-10-27 2018-11-20 Macom Connectivity Solutions, Llc Mitigating interaction between adaptive equalization and timing recovery

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Also Published As

Publication number Publication date
CN1049545C (zh) 2000-02-16
AU5418694A (en) 1994-01-24
WO1994000924A1 (en) 1994-01-06
CA2114625A1 (en) 1994-01-06
MX9303650A (es) 1994-01-31
CN1082279A (zh) 1994-02-16
JPH06510414A (ja) 1994-11-17
GB2273634A (en) 1994-06-22
GB9401509D0 (en) 1994-04-13
BR9305556A (pt) 1994-11-08
SE470371B (sv) 1994-01-31
SE9201924L (sv) 1993-12-24
CA2114625C (en) 2003-05-20
SA93140006B1 (ar) 2005-07-31
HK74896A (en) 1996-05-10
AU662087B2 (en) 1995-08-17
GB2273634B (en) 1996-02-21
NZ253807A (en) 1996-04-26
US5596607A (en) 1997-01-21

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