DE60108211D1 - Optimierung von kanalentzerrung - Google Patents

Optimierung von kanalentzerrung

Info

Publication number
DE60108211D1
DE60108211D1 DE60108211T DE60108211T DE60108211D1 DE 60108211 D1 DE60108211 D1 DE 60108211D1 DE 60108211 T DE60108211 T DE 60108211T DE 60108211 T DE60108211 T DE 60108211T DE 60108211 D1 DE60108211 D1 DE 60108211D1
Authority
DE
Germany
Prior art keywords
noise
prefiltering
estimating
equalizer
optimizing channel
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE60108211T
Other languages
English (en)
Other versions
DE60108211T2 (de
Inventor
Olli Piirainen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60108211D1 publication Critical patent/DE60108211D1/de
Publication of DE60108211T2 publication Critical patent/DE60108211T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Vehicle Body Suspensions (AREA)
  • Amplifiers (AREA)
  • Stereophonic System (AREA)
  • Optical Communication System (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE60108211T 2000-04-06 2001-04-05 Optimierung von kanalentzerrung Expired - Fee Related DE60108211T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20000820A FI20000820A (fi) 2000-04-06 2000-04-06 Kanavakorjaimen optimointi
FI20000820 2000-04-06
PCT/FI2001/000334 WO2001078338A1 (en) 2000-04-06 2001-04-05 Optimization of channel equalizer

Publications (2)

Publication Number Publication Date
DE60108211D1 true DE60108211D1 (de) 2005-02-10
DE60108211T2 DE60108211T2 (de) 2006-01-05

Family

ID=8558141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60108211T Expired - Fee Related DE60108211T2 (de) 2000-04-06 2001-04-05 Optimierung von kanalentzerrung

Country Status (10)

Country Link
US (1) US6954495B2 (de)
EP (1) EP1183840B1 (de)
JP (1) JP2003530769A (de)
CN (1) CN1148922C (de)
AT (1) ATE286639T1 (de)
AU (1) AU5230501A (de)
BR (1) BR0105576A (de)
DE (1) DE60108211T2 (de)
FI (1) FI20000820A (de)
WO (1) WO2001078338A1 (de)

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US7133477B2 (en) * 2002-01-02 2006-11-07 Intel Corporation Robust low complexity multi-antenna adaptive minimum mean square error equalizer
US7139331B2 (en) * 2002-03-30 2006-11-21 Broadcom Corporation Characterizing channel response in a single upstream burst using redundant information from training tones
US6928104B2 (en) * 2002-07-18 2005-08-09 Interdigital Technology Corporation Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
US7065166B2 (en) * 2002-12-19 2006-06-20 Texas Instruments Incorporated Wireless receiver and method for determining a representation of noise level of a signal
US7130342B2 (en) * 2002-12-27 2006-10-31 Motorola, Inc. Wireless receiver and method employing forward/backward recursive covariance based filter coefficient generation
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
US7813457B2 (en) * 2003-12-29 2010-10-12 Intel Corporation Device, system and method for detecting and handling co-channel interference
US7539240B2 (en) 2004-03-12 2009-05-26 Telefonaftiebolaget Lm Ericsson (Publ) Method and apparatus for parameter estimation in a generalized rake receiver
US7848389B2 (en) * 2004-03-12 2010-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for scaling parameter estimation in parametric generalized rake receivers
US7324591B2 (en) * 2004-08-17 2008-01-29 Zenith Electronics Corporation Adaptive equalizer
US7492815B2 (en) * 2004-11-24 2009-02-17 Nokia Corporation Reduced parallel and pipelined high-order MIMO LMMSE receiver architecture
US7483480B2 (en) * 2004-11-24 2009-01-27 Nokia Corporation FFT accelerated iterative MIMO equalizer receiver architecture
GB0502910D0 (en) * 2005-02-11 2005-03-16 Ttp Communications Ltd Conditioning equaliser input
JPWO2006090438A1 (ja) * 2005-02-23 2008-07-17 三菱電機株式会社 受信装置
US8064556B2 (en) * 2005-09-15 2011-11-22 Qualcomm Incorporated Fractionally-spaced equalizers for spread spectrum wireless communication
WO2007063438A2 (en) * 2005-11-02 2007-06-07 Pallasium Ltd. Interference cancellation in sector antenna
CN1992555B (zh) * 2005-12-30 2010-12-22 上海原动力通信科技有限公司 时隙cdma系统下行时隙干扰信号空间特征参数的提取方法
GB0614836D0 (en) * 2006-07-26 2006-09-06 Ttp Communications Ltd Soft decision processing
EP1892908A1 (de) * 2006-08-24 2008-02-27 TTPCOM Limited Empfänger und Verfahren zur Störungsunterdrückung
EP2498464A2 (de) 2007-01-08 2012-09-12 Rambus Inc. Adaptiver zeitkontinuierlicher Leitungsentzerrer zur Korrektur der Intersymbolinterferenz des ersten Nachläufers
US8031762B2 (en) * 2008-08-04 2011-10-04 Redpine Signals, Inc. Stream weight estimation and compensation in SIMO/MIMO OFDM receivers
CN101867534B (zh) * 2009-04-15 2013-05-29 联芯科技有限公司 信道估计方法和装置
TWI415429B (zh) * 2010-06-17 2013-11-11 Hwa Hsia Inst Of Technology 部分響應等化器優化方法及其裝置
US9158546B1 (en) 2011-04-06 2015-10-13 P4tents1, LLC Computer program product for fetching from a first physical memory between an execution of a plurality of threads associated with a second physical memory
US9164679B2 (en) 2011-04-06 2015-10-20 Patents1, Llc System, method and computer program product for multi-thread operation involving first memory of a first memory class and second memory of a second memory class
US8930647B1 (en) 2011-04-06 2015-01-06 P4tents1, LLC Multiple class memory systems
US9170744B1 (en) 2011-04-06 2015-10-27 P4tents1, LLC Computer program product for controlling a flash/DRAM/embedded DRAM-equipped system
US9176671B1 (en) 2011-04-06 2015-11-03 P4tents1, LLC Fetching data between thread execution in a flash/DRAM/embedded DRAM-equipped system
US9417754B2 (en) 2011-08-05 2016-08-16 P4tents1, LLC User interface system, method, and computer program product
RU2012102842A (ru) 2012-01-27 2013-08-10 ЭлЭсАй Корпорейшн Инкрементное обнаружение преамбулы
KR20140084294A (ko) * 2011-10-27 2014-07-04 엘에스아이 코포레이션 복소 지수 비선형 함수와 함께 명령어를 갖는 디지털 처리
US9923595B2 (en) 2013-04-17 2018-03-20 Intel Corporation Digital predistortion for dual-band power amplifiers
US9813223B2 (en) 2013-04-17 2017-11-07 Intel Corporation Non-linear modeling of a physical system using direct optimization of look-up table values
US9237044B1 (en) 2013-05-17 2016-01-12 Altera Corporation Methods for joint optimization of link equalization
US9231796B2 (en) 2013-11-25 2016-01-05 Globalfoundries Inc. Power aware equalization in a serial communications link
JP6219193B2 (ja) * 2014-02-21 2017-10-25 パナソニック株式会社 等化方法及び等化器

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IT1230284B (it) * 1989-06-15 1991-10-18 Italtel Spa Procedimento e dispositivo per la ricezione di segnali in sistemi radiomobili digitali.
DE4001592A1 (de) 1989-10-25 1991-05-02 Philips Patentverwaltung Empfaenger fuer digitales uebertragungssystem
US5303263A (en) * 1991-06-25 1994-04-12 Oki Electric Industry Co., Ltd. Transmission channel characteristic equalizer
JPH0567848A (ja) * 1991-09-05 1993-03-19 Fujitsu Ltd 光半導体装置の製造方法
US5432816A (en) * 1992-04-10 1995-07-11 International Business Machines Corporation System and method of robust sequence estimation in the presence of channel mismatch conditions
US5327460A (en) * 1992-07-07 1994-07-05 National Semiconductor Corporation Method and apparatus for filtering post decision feedback equalization noise
US5390364A (en) * 1992-11-02 1995-02-14 Harris Corporation Least-mean squares adaptive digital filter havings variable size loop bandwidth
SE513657C2 (sv) * 1993-06-24 2000-10-16 Ericsson Telefon Ab L M Sätt och anordning att vid digital signalöverföring estimera överförda symboler hos en mottagare
FI100017B (fi) * 1995-08-29 1997-08-15 Nokia Telecommunications Oy Yhteyden laadun estimointimenetelmä ja vastaanotin
US6535554B1 (en) * 1998-11-17 2003-03-18 Harris Corporation PCS signal separation in a one dimensional channel
US6151358A (en) * 1999-08-11 2000-11-21 Motorola, Inc. Method and apparatus, and computer program for producing filter coefficients for equalizers
WO2001048991A1 (en) * 1999-12-21 2001-07-05 Nokia Networks Oy Equaliser with a cost function taking into account noise energy

Also Published As

Publication number Publication date
EP1183840A1 (de) 2002-03-06
US20020057735A1 (en) 2002-05-16
WO2001078338A1 (en) 2001-10-18
FI20000820A0 (fi) 2000-04-06
BR0105576A (pt) 2002-02-26
DE60108211T2 (de) 2006-01-05
FI20000820A (fi) 2001-10-07
US6954495B2 (en) 2005-10-11
ATE286639T1 (de) 2005-01-15
CN1366753A (zh) 2002-08-28
JP2003530769A (ja) 2003-10-14
AU5230501A (en) 2001-10-23
EP1183840B1 (de) 2005-01-05
CN1148922C (zh) 2004-05-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee