ATE298956T1 - Kanalschätzer mit variabler anzahl von abgriffen - Google Patents

Kanalschätzer mit variabler anzahl von abgriffen

Info

Publication number
ATE298956T1
ATE298956T1 AT99956416T AT99956416T ATE298956T1 AT E298956 T1 ATE298956 T1 AT E298956T1 AT 99956416 T AT99956416 T AT 99956416T AT 99956416 T AT99956416 T AT 99956416T AT E298956 T1 ATE298956 T1 AT E298956T1
Authority
AT
Austria
Prior art keywords
channel model
model structure
training sequence
taps
variance
Prior art date
Application number
AT99956416T
Other languages
English (en)
Inventor
Bengt Lindoff
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
Application granted granted Critical
Publication of ATE298956T1 publication Critical patent/ATE298956T1/de

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

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Networks Using Active Elements (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT99956416T 1998-10-09 1999-10-04 Kanalschätzer mit variabler anzahl von abgriffen ATE298956T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/168,605 US6373888B1 (en) 1998-10-09 1998-10-09 Estimated channel with variable number of taps
PCT/SE1999/001757 WO2000022791A1 (en) 1998-10-09 1999-10-04 Channel estimator with variable number of taps

Publications (1)

Publication Number Publication Date
ATE298956T1 true ATE298956T1 (de) 2005-07-15

Family

ID=22612181

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99956416T ATE298956T1 (de) 1998-10-09 1999-10-04 Kanalschätzer mit variabler anzahl von abgriffen

Country Status (11)

Country Link
US (1) US6373888B1 (de)
EP (1) EP1119953B1 (de)
JP (1) JP4515635B2 (de)
CN (1) CN1139230C (de)
AT (1) ATE298956T1 (de)
AU (1) AU1303600A (de)
DE (1) DE69926008T2 (de)
MX (1) MXPA01003389A (de)
MY (1) MY125290A (de)
TR (1) TR200100975T2 (de)
WO (1) WO2000022791A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477200B1 (en) * 1998-11-09 2002-11-05 Broadcom Corporation Multi-pair gigabit ethernet transceiver
ATE223122T1 (de) * 1998-11-18 2002-09-15 Nokia Corp Verfahren zur verbesserten schätzung der kanalimpulsantwort in tdma-systemen
MY133723A (en) * 1999-09-17 2007-11-30 Ericsson Telefon Ab L M "apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal"
JP2001102970A (ja) * 1999-09-29 2001-04-13 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
US6628706B1 (en) * 1999-12-06 2003-09-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for transforming a channel estimate
JP2001320308A (ja) * 2000-03-03 2001-11-16 Matsushita Electric Ind Co Ltd 適応等化装置および適応等化方法
GB2362073B (en) * 2000-05-03 2003-12-17 Siemens Ag Equaliser and method of state reduction therefor
US6950678B1 (en) * 2000-05-24 2005-09-27 Lucent Technologies Inc. Control technique for a communication system
US6823026B2 (en) * 2001-01-05 2004-11-23 Motorola, Inc. Apparatus and method for baseband detection
US7079601B2 (en) * 2001-06-19 2006-07-18 Telefonaktiebolaget Lm Ericsson (Publ) Efficient channel estimation in a digital communications system
FR2829326A1 (fr) * 2001-09-06 2003-03-07 France Telecom Procede et systeme de reception iterative sous optimale pour systeme de transmission haut debit cdma
US7272366B2 (en) * 2001-12-17 2007-09-18 Nokia Corporation Method and apparatus for reducing RF filter induced distortion in a wide bandwidth wireless system by the use of channel-dependent RF filter compensation
US6826411B2 (en) 2002-06-27 2004-11-30 Interdigital Technology Corporation Low power interference signal code power (ISCP) measurement
US6968001B2 (en) * 2002-08-21 2005-11-22 Qualcomm Incorporated Communication receiver with virtual parallel equalizers
JP4565802B2 (ja) * 2002-11-06 2010-10-20 パナソニック株式会社 データ受信装置およびデータ受信方法
GB2395623B (en) * 2002-11-19 2006-02-22 Matsushita Electric Ind Co Ltd Reduced complexity dynamic tap search channel estimator
US7065371B1 (en) * 2003-02-20 2006-06-20 Comsys Communication & Signal Processing Ltd. Channel order selection and channel estimation in wireless communication system
JP4000088B2 (ja) * 2003-05-09 2007-10-31 松下電器産業株式会社 無線受信装置および受信フィルタリング方法
KR100566210B1 (ko) * 2003-09-22 2006-03-29 삼성전자주식회사 무선 통신 시스템에서 채널 할당 장치 및 방법
US20050129105A1 (en) * 2003-12-11 2005-06-16 Aris Papasakellariou Determination of the adaption coefficient for adaptive equalizers in communication systems based on the estimated signal-to-noise ratio and the mobile speed
US7400692B2 (en) * 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US7058117B1 (en) * 2004-07-26 2006-06-06 Sandbridge Technologies, Inc. Rake receiver with multi-path interference accommodation
JP4189389B2 (ja) * 2005-04-06 2008-12-03 パナソニック株式会社 等化装置および等化方法
CN100563225C (zh) * 2005-05-27 2009-11-25 华为技术有限公司 对基带数字信号进行预失真处理的通用装置
US20070002980A1 (en) * 2005-06-29 2007-01-04 Eyal Krupka Method for timing and sequence hypotheses selection
EP1903728A1 (de) * 2006-09-20 2008-03-26 Nokia Siemens Networks Gmbh & Co. Kg Verfahren und Vorrichtung zur Kanalschätzung in einem Kommunikationssystem
US8787510B2 (en) * 2008-12-31 2014-07-22 Motorola Mobility Llc Channel selection exploiting multiple observations of the channel delay spread
CN102487368B (zh) * 2010-03-26 2014-10-15 浙江大学 Per-tone均衡器的设计方法及实现装置
JP2012029043A (ja) * 2010-07-23 2012-02-09 Sharp Corp 受信装置および受信方法
JP5539832B2 (ja) * 2010-09-29 2014-07-02 シャープ株式会社 受信装置、受信方法、受信プログラム
JP5837797B2 (ja) * 2011-10-25 2015-12-24 シャープ株式会社 受信装置、受信方法、通信システムおよび通信方法
JP2013168853A (ja) 2012-02-16 2013-08-29 Sharp Corp 受信装置、受信方法および受信プログラム
TR202022844A1 (tr) * 2020-12-31 2022-07-21 Istanbul Medipol Ueniversitesi Birleşik Olarak Kanal Kademe Sayılarını ve Kanal Katsayılarını Tahmin Etme Yöntemi

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2252221B (en) 1991-01-24 1995-01-18 Roke Manor Research Improvements in or relating to equalisers for digital radio communication systems
JPH05316083A (ja) * 1991-04-08 1993-11-26 Nippon Telegr & Teleph Corp <Ntt> 移動無線において変動する伝送路における等化方法及び適応等化器
US5319677A (en) * 1992-05-12 1994-06-07 Hughes Aircraft Company Diversity combiner with MLSE for digital cellular radio
SG54201A1 (en) 1992-09-18 1998-11-16 Oki Electric Ind Co Ltd Adaptive equalizing receiver and maximum likelihood sequence estimating receiver
JP2669350B2 (ja) 1994-07-07 1997-10-27 日本電気株式会社 状態数可変最尤系列推定器
JPH0856186A (ja) * 1994-08-10 1996-02-27 Sony Corp 伝送装置及び伝送方法
SE503522C2 (sv) * 1994-10-31 1996-07-01 Ericsson Telefon Ab L M Förfarande och anordning för kanalestimering
JP3271250B2 (ja) * 1995-03-16 2002-04-02 ソニー株式会社 最尤復調方法および受信機
DE19614543C1 (de) * 1996-04-12 1997-08-28 Philips Patentverwaltung Entzerrer mit erweiterter Kanalschätzung für einen Empfänger in einem digitalen Übertragungssystem
US6084862A (en) * 1997-09-26 2000-07-04 Telefonaktiebolaget Lm Ericsson Time dispersion measurement in radio communications systems
US6222592B1 (en) * 1998-01-13 2001-04-24 Samsung Electronics Co., Ltd. TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom
US6144710A (en) * 1998-04-23 2000-11-07 Lucent Technologies, Inc. Joint maximum likelihood sequence estimator with dynamic channel description

Also Published As

Publication number Publication date
JP4515635B2 (ja) 2010-08-04
DE69926008T2 (de) 2005-12-01
DE69926008D1 (de) 2005-08-04
MXPA01003389A (es) 2002-04-24
EP1119953B1 (de) 2005-06-29
JP2002527997A (ja) 2002-08-27
AU1303600A (en) 2000-05-01
US6373888B1 (en) 2002-04-16
CN1139230C (zh) 2004-02-18
EP1119953A1 (de) 2001-08-01
TR200100975T2 (tr) 2001-07-23
CN1329789A (zh) 2002-01-02
WO2000022791A1 (en) 2000-04-20
MY125290A (en) 2006-07-31

Similar Documents

Publication Publication Date Title
ATE298956T1 (de) Kanalschätzer mit variabler anzahl von abgriffen
DE60014649D1 (de) Entzerrer mit ausgleich von gleichspannungsverschiebungen
KR910016163A (ko) 두개이상의 안테나를 갖는 비터비 수신기의 페이딩의 영향을 감소시키는 방법
CA2213855A1 (en) Slope, drift and offset compensation in zero-if receivers
JP2005510940A5 (de)
DE60039912D1 (de) Schätzung von zwei OFDM-Übertragungskanälen
CA2269925A1 (en) Iterative channel estimation
SE9201924L (sv) Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler
EP1089451A4 (de) Kanalschätzungsgerät und -verfahren, demodulationsgerät und -verfahren, und fadingfrequenzbestimmungsgerät und -verfahren
DE60144326D1 (de) Scheiben-bandbreiten-verzerrungsvorhersage
WO2004045096A3 (en) Noise and channel estimation using low spreading factors
CN111525955B (zh) 一种基于稀疏贝叶斯学习的可见光通信的均衡方法及系统
WO2002005442A3 (en) Estimation of wireless channel impulse response using a preamble
EP1456959A4 (de) Gemeinsame demodulation durch einen viterbi-entzerrer mit einer adaptiven gesamtzahl von zuständen
TW200507477A (en) Systems and methods for improving channel estimation
WO2004079969A3 (en) Channel estimation based on an estimated channel delay spread
WO2005011144A3 (fr) Procede et dispositif pour ameliorer l’estimation d’un canal de propagation d’un signal multiporteuse
HK1058868A1 (en) Method for estimating the transfer function of a multicarrier signal transmission channel and corresponding receiver.
Meng et al. Semi-blind channel estimation and detection using superimposed training
Morley et al. Maximum likelihood sequence estimation for randomly dispersive channels
Huang et al. Robust approach for channel estimation in power line communication
CN105939298B (zh) 一种测量移动终端距离的方法及装置
NO20010313L (no) Estimering av kanalimpulsrespons ved bruk av mottatt signalvarians
KR920702119A (ko) 샘플링 시간점을 결정하는 방법
He et al. Doubly-selective channel estimation using exponential basis models and subblock tracking

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties