SE470371B - Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler - Google Patents
Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symbolerInfo
- Publication number
- SE470371B SE470371B SE9201924A SE9201924A SE470371B SE 470371 B SE470371 B SE 470371B SE 9201924 A SE9201924 A SE 9201924A SE 9201924 A SE9201924 A SE 9201924A SE 470371 B SE470371 B SE 470371B
- Authority
- SE
- Sweden
- Prior art keywords
- symbol
- values
- symbols
- signal
- channel
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 17
- 230000008054 signal transmission Effects 0.000 title claims description 4
- 238000005070 sampling Methods 0.000 claims description 54
- 230000007704 transition Effects 0.000 claims description 25
- 230000006978 adaptation Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000012935 Averaging Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 claims 1
- 230000033764 rhythmic process Effects 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 238000007476 Maximum Likelihood Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H04L25/03178—Arrangements involving sequence estimation techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
-
- 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
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
-
- 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
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03312—Arrangements specific to the provision of output signals
- H04L25/03324—Provision 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)
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 |
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 |
PCT/SE1993/000477 WO1994000924A1 (fr) | 1992-06-23 | 1993-05-28 | Procede et dispositif d'estimation des symboles transmis au niveau d'un recepteur d'un systeme de transmission de signaux numeriques |
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 |
CA002114625A CA2114625C (fr) | 1992-06-23 | 1993-05-28 | Methode et dispositif de reconnaissance de signaux pour recepteur de signaux numeriques |
NZ253807A NZ253807A (en) | 1992-06-23 | 1993-05-28 | Estimating received digital symbols using viterbi algorithm |
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 |
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 |
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. |
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 |
SA93140006A SA93140006B1 (ar) | 1992-06-23 | 1993-06-23 | طريقة وتنظيم الرموز المرسلة عند جهاز الاستقبال في البث بالاشارات الرقمية |
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 |
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 SE9201924D0 (sv) | 1992-06-23 |
SE9201924L SE9201924L (sv) | 1993-12-24 |
SE470371B true 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 (fr) |
JP (1) | JPH06510414A (fr) |
CN (1) | CN1049545C (fr) |
AU (1) | AU662087B2 (fr) |
BR (1) | BR9305556A (fr) |
CA (1) | CA2114625C (fr) |
GB (1) | GB2273634B (fr) |
HK (1) | HK74896A (fr) |
MX (1) | MX9303650A (fr) |
NZ (1) | NZ253807A (fr) |
SA (1) | SA93140006B1 (fr) |
SE (1) | SE470371B (fr) |
WO (1) | WO1994000924A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6327315B1 (en) | 1996-05-21 | 2001-12-04 | Nokia Telecommunications Oy | Method for estimating impulse response, and receiver |
Families Citing this family (36)
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FI105514B (fi) * | 1994-09-12 | 2000-08-31 | Nokia Mobile Phones Ltd | Vastaanottomenetelmä ja vastaanotin |
FI102797B (fi) * | 1994-10-07 | 1999-02-15 | Nokia Mobile Phones Ltd | Signaalin ilmaisumenetelmä TDMA-matkaviestinjärjestelmän vastaanottime ssa sekä menetelmän toteuttava vastaanotin |
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 |
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 |
US20060262832A1 (en) * | 1997-03-12 | 2006-11-23 | Interdigital Technology Corporation | Convolutionally encoding and decoding multiple data streams |
US6404828B2 (en) * | 1997-03-12 | 2002-06-11 | Interdigital Technology Corporation | Multichannel decoder |
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 (fi) * | 1997-08-29 | 2001-03-15 | Nokia Networks Oy | Parametrin estimointimenetelmä ja vastaanotin |
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 (fr) * | 1998-04-30 | 2004-02-03 | Lucent Technologies Inc. | Estimation de voie iterative |
EP0954143B1 (fr) * | 1998-04-30 | 2007-02-14 | Lucent Technologies Inc. | Estimation de canal itérative |
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 (fr) * | 2004-04-09 | 2005-10-20 | Axiocom Inc. | Procede et systeme d'estimation pour canal multi-utilisateur dans des systemes ds-cdma |
US7209510B2 (en) * | 2004-07-20 | 2007-04-24 | Skyworks Solution, Inc. | Channel estimation system for a wideband code division multiple access (WCDMA) communication system |
US7668247B2 (en) * | 2005-01-14 | 2010-02-23 | Texas Instruments Incorporated | Methods and systems for performing an 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 |
JP5875691B2 (ja) * | 2011-10-19 | 2016-03-02 | オプティス セルラー テクノロジー, エルエルシーOptis Cellular Technology,LLC | チャネル予測方法および装置 |
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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US4719642A (en) * | 1985-02-27 | 1988-01-12 | Scientific Atlanta, Inc. | Error detection and concealment using predicted signal values |
GB2215567B (en) * | 1988-03-05 | 1992-11-18 | Plessey Co Plc | Improvements in or relating to equalisers |
SE463540B (sv) * | 1988-09-19 | 1990-12-03 | Ericsson Telefon Ab L M | Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet |
AU618680B2 (en) * | 1989-07-17 | 1992-01-02 | Digital Equipment Corporation | Data and forward error control coding techniques for digital signals |
SE464551B (sv) * | 1989-09-12 | 1991-05-06 | Ericsson Telefon Ab L M | Foerfarande foer att minska risken foer daalig mottagning i ett tidsmultiplext radiokommunikationssystem |
SE464902B (sv) * | 1989-10-24 | 1991-06-24 | Ericsson Telefon Ab L M | Foerfarande att adaptera en viterbialgoritm till en kanal med skiftande oeverfoeringsegenskaper samt en anordning foer genomfoerande av foerfarandet |
US5031193A (en) * | 1989-11-13 | 1991-07-09 | Motorola, Inc. | Method and apparatus for diversity reception of time-dispersed signals |
US5228057A (en) * | 1989-11-15 | 1993-07-13 | Telefonaktiebolaget L M Ericsson | Method of determining sampling time points |
SE465245B (sv) * | 1989-12-22 | 1991-08-12 | Ericsson Telefon Ab L M | Foerfarande att utfoera kanalestimering foer en faedande kanal vid oeverfoering av symbolsekvenser |
SE465597B (sv) * | 1990-02-16 | 1991-09-30 | Ericsson Telefon Ab L M | Foerfarande att reducera inverkan av faedning hos en viterbimottagare med minst tvaa antenner |
US5436928A (en) * | 1991-04-08 | 1995-07-25 | Nippon Telegraph And Telephone Corporation | Method and apparatus for equalizing transmission line characteristics which vary at high speed in mobile radio communication |
US5285480A (en) * | 1991-09-03 | 1994-02-08 | General Electric Company | Adaptive MLSE-VA receiver for digital cellular radio |
JP2683665B2 (ja) * | 1991-11-27 | 1997-12-03 | 日本電気株式会社 | 最尤系列推定装置 |
CA2083304C (fr) * | 1991-12-31 | 1999-01-26 | Stephen R. Huszar | Egalisation et decodage pour canal de communication numerique |
US5263053A (en) * | 1992-03-24 | 1993-11-16 | Novatel Communications Ltd. | Fractionally spaced maximum likelihood sequence estimation receiver |
US5313495A (en) * | 1992-05-12 | 1994-05-17 | Hughes Aircraft Company | Demodulator for symbols transmitted over a cellular channel |
-
1992
- 1992-06-23 SE SE9201924A patent/SE470371B/sv not_active IP Right Cessation
-
1993
- 1993-05-28 AU AU54186/94A patent/AU662087B2/en not_active Expired
- 1993-05-28 BR BR9305556A patent/BR9305556A/pt not_active IP Right Cessation
- 1993-05-28 GB GB9401509A patent/GB2273634B/en not_active Expired - Lifetime
- 1993-05-28 NZ NZ253807A patent/NZ253807A/en not_active IP Right Cessation
- 1993-05-28 JP JP6502244A patent/JPH06510414A/ja not_active Withdrawn
- 1993-05-28 CA CA002114625A patent/CA2114625C/fr not_active Expired - Lifetime
- 1993-05-28 WO PCT/SE1993/000477 patent/WO1994000924A1/fr active Application Filing
- 1993-06-17 MX MX9303650A patent/MX9303650A/es unknown
- 1993-06-23 US US08/079,886 patent/US5596607A/en not_active Expired - Lifetime
- 1993-06-23 SA SA93140006A patent/SA93140006B1/ar unknown
- 1993-06-23 CN CN93107608A patent/CN1049545C/zh not_active Expired - Lifetime
-
1996
- 1996-05-02 HK HK74896A patent/HK74896A/xx not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6327315B1 (en) | 1996-05-21 | 2001-12-04 | Nokia Telecommunications Oy | Method for estimating impulse response, and receiver |
Also Published As
Publication number | Publication date |
---|---|
US5596607A (en) | 1997-01-21 |
GB2273634B (en) | 1996-02-21 |
MX9303650A (es) | 1994-01-31 |
SE9201924D0 (sv) | 1992-06-23 |
CA2114625A1 (fr) | 1994-01-06 |
BR9305556A (pt) | 1994-11-08 |
CN1049545C (zh) | 2000-02-16 |
CN1082279A (zh) | 1994-02-16 |
SA93140006B1 (ar) | 2005-07-31 |
CA2114625C (fr) | 2003-05-20 |
WO1994000924A1 (fr) | 1994-01-06 |
SE9201924L (sv) | 1993-12-24 |
AU5418694A (en) | 1994-01-24 |
GB9401509D0 (en) | 1994-04-13 |
GB2273634A (en) | 1994-06-22 |
AU662087B2 (en) | 1995-08-17 |
HK74896A (en) | 1996-05-10 |
JPH06510414A (ja) | 1994-11-17 |
NZ253807A (en) | 1996-04-26 |
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