DE602004004574D1 - Verfahren und Vorrichtung zur Entzerrerung in einem Empfänger eines CDMA Systems - Google Patents

Verfahren und Vorrichtung zur Entzerrerung in einem Empfänger eines CDMA Systems

Info

Publication number
DE602004004574D1
DE602004004574D1 DE602004004574T DE602004004574T DE602004004574D1 DE 602004004574 D1 DE602004004574 D1 DE 602004004574D1 DE 602004004574 T DE602004004574 T DE 602004004574T DE 602004004574 T DE602004004574 T DE 602004004574T DE 602004004574 D1 DE602004004574 D1 DE 602004004574D1
Authority
DE
Germany
Prior art keywords
equalization
receiver
cdma system
cdma
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.)
Active
Application number
DE602004004574T
Other languages
English (en)
Other versions
DE602004004574T2 (de
Inventor
Laurence E Mailaender
John G Proakis
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 of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE602004004574D1 publication Critical patent/DE602004004574D1/de
Application granted granted Critical
Publication of DE602004004574T2 publication Critical patent/DE602004004574T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • 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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03484—Tapped delay lines time-recursive
    • H04L2025/0349—Tapped delay lines time-recursive as a feedback filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
DE602004004574T 2003-11-10 2004-10-29 Verfahren und Vorrichtung zur Entzerrerung in einem Empfänger eines CDMA Systems Active DE602004004574T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US703500 2003-11-10
US10/703,500 US20050100052A1 (en) 2003-11-10 2003-11-10 Method and apparatus for receiver processing in a CDMA communications system

Publications (2)

Publication Number Publication Date
DE602004004574D1 true DE602004004574D1 (de) 2007-03-22
DE602004004574T2 DE602004004574T2 (de) 2007-10-31

Family

ID=34435576

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004004574T Active DE602004004574T2 (de) 2003-11-10 2004-10-29 Verfahren und Vorrichtung zur Entzerrerung in einem Empfänger eines CDMA Systems

Country Status (6)

Country Link
US (1) US20050100052A1 (de)
EP (1) EP1530300B1 (de)
JP (1) JP2005151555A (de)
KR (1) KR20050045836A (de)
CN (1) CN1617459A (de)
DE (1) DE602004004574T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100605861B1 (ko) * 2004-02-02 2006-08-01 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 통신 시스템의 신호수신 장치 및 방법
US7324583B2 (en) * 2004-02-13 2008-01-29 Nokia Corporation Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations
US7532667B2 (en) * 2004-11-05 2009-05-12 Interdigital Technology Corporation Pilot-directed and pilot/data-directed equalizers
US7483480B2 (en) * 2004-11-24 2009-01-27 Nokia Corporation FFT accelerated iterative MIMO equalizer receiver architecture
JP4666150B2 (ja) * 2005-05-31 2011-04-06 日本電気株式会社 Ｍｉｍｏ受信装置、受信方法、および無線通信システム
US7929597B2 (en) * 2005-11-15 2011-04-19 Qualcomm Incorporated Equalizer for a receiver in a wireless communication system
EP1966898A2 (de) * 2005-12-19 2008-09-10 Nxp B.V. Empfänger mit entzerrung auf chip-ebene
US7920661B2 (en) 2006-03-21 2011-04-05 Qualcomm Incorporated Decision feedback equalizer for code division multiplexed signals
US20080089403A1 (en) * 2007-11-26 2008-04-17 Nokia Corporation Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations
EP2299603A1 (de) * 2009-09-17 2011-03-23 ST-Ericsson (France) SAS Verfahren zur Verarbeitung von MIMO-Datenströmen in einem 3GPP-HSDPA-Empfänger und Empfänger zu dessen Durchführung
CN114006797A (zh) * 2021-12-30 2022-02-01 元智科技集团有限公司 一种用于高速视频通信的多天线均衡接收方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914982A (en) * 1997-06-13 1999-06-22 Rockwell Semiconductor Systems, Inc. Method and apparatus for training linear equalizers in a PCM modem
US6775322B1 (en) * 2000-08-14 2004-08-10 Ericsson Inc. Equalizer with adaptive pre-filter
US6956893B2 (en) * 2001-08-20 2005-10-18 Motorola, Inc. Linear minimum mean square error equalization with interference cancellation for mobile communication forward links utilizing orthogonal codes covered by long pseudorandom spreading codes
US7027504B2 (en) * 2001-09-18 2006-04-11 Broadcom Corporation Fast computation of decision feedback equalizer coefficients
US20030161258A1 (en) * 2002-02-22 2003-08-28 Jianzhong Zhang Apparatus, and associated method, for a multiple-input, multiple-output communications system
US7027503B2 (en) * 2002-06-04 2006-04-11 Qualcomm Incorporated Receiver with a decision feedback equalizer and a linear equalizer
US7469003B2 (en) * 2002-06-11 2008-12-23 Texas Instruments Incorporated Method and apparatus for adaptive channel equalization using decision feedback
US6920333B2 (en) * 2002-09-12 2005-07-19 George L. Yang Decision feedback equalizer with embedded coherent signal combiner

Also Published As

Publication number Publication date
US20050100052A1 (en) 2005-05-12
EP1530300B1 (de) 2007-01-31
JP2005151555A (ja) 2005-06-09
KR20050045836A (ko) 2005-05-17
CN1617459A (zh) 2005-05-18
EP1530300A1 (de) 2005-05-11
DE602004004574T2 (de) 2007-10-31

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