KR970700962A - 멀티유저-간섭 감소 장치 및 방법과 코드분할 다중 액세스 통신 시스템(method and apparatus for multiuser-interference reduction) - Google Patents

멀티유저-간섭 감소 장치 및 방법과 코드분할 다중 액세스 통신 시스템(method and apparatus for multiuser-interference reduction)

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Publication number
KR970700962A
KR970700962A KR1019960703815A KR19960703815A KR970700962A KR 970700962 A KR970700962 A KR 970700962A KR 1019960703815 A KR1019960703815 A KR 1019960703815A KR 19960703815 A KR19960703815 A KR 19960703815A KR 970700962 A KR970700962 A KR 970700962A
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KR
South Korea
Prior art keywords
multiuser
interference reduction
interference
reduction
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Application number
KR1019960703815A
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English (en)
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KR100228950B1 (ko
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.)
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Publication of KR970700962A publication Critical patent/KR970700962A/ko
Application granted granted Critical
Publication of KR100228950B1 publication Critical patent/KR100228950B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B1/69—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
    • 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
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H04L25/03044—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure using fractionally spaced delay lines or combinations of fractionally integrally spaced taps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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)
  • Mobile Radio Communication Systems (AREA)
  • Feedback Control In General (AREA)
KR1019960703815A 1994-02-10 1994-02-10 멀티유저-간섭 감소 장치 및 방법과 코드분할 다중 액세스 통신 시스템 Expired - Fee Related KR100228950B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1994/000374 WO1995022209A1 (en) 1994-02-10 1994-02-10 Method and apparatus for multiuser-interference reduction

Publications (2)

Publication Number Publication Date
KR970700962A true KR970700962A (ko) 1997-02-12
KR100228950B1 KR100228950B1 (ko) 1999-11-01

Family

ID=8165825

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960703815A Expired - Fee Related KR100228950B1 (ko) 1994-02-10 1994-02-10 멀티유저-간섭 감소 장치 및 방법과 코드분할 다중 액세스 통신 시스템

Country Status (8)

Country Link
US (1) US5761237A (ko)
EP (1) EP0744101B1 (ko)
JP (1) JP2839039B2 (ko)
KR (1) KR100228950B1 (ko)
BR (1) BR9408527A (ko)
CA (1) CA2179979C (ko)
DE (1) DE69412288T2 (ko)
WO (1) WO1995022209A1 (ko)

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US6161209A (en) * 1997-03-28 2000-12-12 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Joint detector for multiple coded digital signals
US6111895A (en) * 1997-05-14 2000-08-29 At&T Corp. Wideband transmission through wire
US6925127B1 (en) * 1997-07-22 2005-08-02 Ericsson Inc. Method and apparatus for subtracting multiple rays of multiple interfering received signals
US6219390B1 (en) * 1998-04-21 2001-04-17 Lucent Technologies Inc. Adaptive interference canceller using digital control techniques
US6047035A (en) * 1998-06-15 2000-04-04 Dspc Israel Ltd. Method and device for quantizing the input to soft decoders
US6947473B1 (en) 1998-08-28 2005-09-20 Siemens Ag Receiver and method of recovering data from radio signals
US6434163B1 (en) * 1998-10-10 2002-08-13 Agere Systems Guardian Corp. Transverse correlator structure for a rake receiver
US6636561B1 (en) * 1999-06-29 2003-10-21 Nortel Networks Limited Channel equalisers
US6975666B2 (en) 1999-12-23 2005-12-13 Institut National De La Recherche Scientifique Interference suppression in CDMA systems
US7292661B1 (en) * 2000-03-20 2007-11-06 Massachusetts Institute Of Technology Block-iterative equalizers for digital communication system
JP4392109B2 (ja) * 2000-05-12 2009-12-24 パナソニック株式会社 到来方向推定装置
US7016440B1 (en) * 2000-08-16 2006-03-21 The Board Of Trustees Of The University Of Illinois Iterative MMSE equalization-decoder soft information exchange decoding method and device
FR2813727B1 (fr) * 2000-09-01 2002-11-29 Thomson Csf Procede et dispositif pour ordonner des signaux provenant de multi-utilisateurs
GB2367199B (en) 2000-09-20 2005-01-26 Parthus Apparatus for receiving ranging signals
DE60122353D1 (de) * 2000-10-06 2006-09-28 Ericsson Inc Verfahren und vorrichtung zum subtrahieren von mehreren pfaden empfangener störsignale
JP5085833B2 (ja) 2000-10-13 2012-11-28 アイピーコム ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト データ伝送方法
US6466611B1 (en) 2001-02-07 2002-10-15 Motorola, Inc. Multi-user detection using a finite-impulse-response matrix filter
US7636403B2 (en) 2001-02-20 2009-12-22 Massachusetts Institute Of Technology Correlation shaping multi-signature receiver
US7751469B2 (en) 2001-02-20 2010-07-06 Massachusetts Institute Of Technology Correlation shaping matched filter receiver
US7933342B2 (en) * 2001-06-15 2011-04-26 Texas Instruments Incorporated Multipath equalization for MIMO multiuser systems
ATE283580T1 (de) * 2001-07-05 2004-12-15 Mitsubishi Electric Inf Tech Mehrbenutzerdetektion in einem mc-cdma telekommunikationssystem
EP1300977A1 (en) * 2001-10-04 2003-04-09 Mitsubishi Electric Information Technology Centre Europe B.V. Parallel interference cancellation in an MC-CDMA telecommunication system
US6785520B2 (en) * 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
US6873651B2 (en) * 2002-03-01 2005-03-29 Cognio, Inc. System and method for joint maximal ratio combining using time-domain signal processing
WO2003075471A2 (en) * 2002-03-01 2003-09-12 Cognio, Inc. System and method for joint maximal ratio combining
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
US6687492B1 (en) 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
JP3888189B2 (ja) * 2002-03-12 2007-02-28 松下電器産業株式会社 適応アンテナ基地局装置
US6871049B2 (en) * 2002-03-21 2005-03-22 Cognio, Inc. Improving the efficiency of power amplifiers in devices using transmit beamforming
WO2004012346A2 (en) * 2002-07-30 2004-02-05 Cognio, Inc. System and method for multiple-input multiple-output (mimo) radio communication
US7808937B2 (en) 2005-04-07 2010-10-05 Rambus, Inc. Variable interference cancellation technology for CDMA systems
US8761321B2 (en) * 2005-04-07 2014-06-24 Iii Holdings 1, Llc Optimal feedback weighting for soft-decision cancellers
US7715508B2 (en) * 2005-11-15 2010-05-11 Tensorcomm, Incorporated Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US8179946B2 (en) * 2003-09-23 2012-05-15 Rambus Inc. Systems and methods for control of advanced receivers
US7099678B2 (en) * 2003-04-10 2006-08-29 Ipr Licensing, Inc. System and method for transmit weight computation for vector beamforming radio communication
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7903617B2 (en) * 2003-12-03 2011-03-08 Ruey-Wen Liu Method and system for multiuser wireless communications using anti-interference to increase transmission data rate
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
CN100466671C (zh) * 2004-05-14 2009-03-04 华为技术有限公司 语音切换方法及其装置
US7532667B2 (en) * 2004-11-05 2009-05-12 Interdigital Technology Corporation Pilot-directed and pilot/data-directed equalizers
US7768989B2 (en) * 2005-03-04 2010-08-03 Itt Manufacturing Enterprises, Inc. Method and apparatus for multipoint voice operation in a wireless, Ad-Hoc environment
US7889755B2 (en) * 2005-03-31 2011-02-15 Qualcomm Incorporated HSDPA system with reduced inter-user interference
US7991088B2 (en) 2005-11-15 2011-08-02 Tommy Guess Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US7826516B2 (en) 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
WO2007038017A2 (en) * 2005-09-23 2007-04-05 Tensorcomm, Inc. Inter-symbol interference cancellation for wireless multiple access
US7733941B2 (en) * 2005-11-15 2010-06-08 Rambus, Inc. Inter-symbol interference cancellation for wireless multiple access
US20070110135A1 (en) * 2005-11-15 2007-05-17 Tommy Guess Iterative interference cancellation for MIMO-OFDM receivers
US7623602B2 (en) * 2005-11-15 2009-11-24 Tensorcomm, Inc. Iterative interference canceller for wireless multiple-access systems employing closed loop transmit diversity
US7697604B2 (en) * 2006-04-17 2010-04-13 Techwell, Inc. Dual pDFE system with forward-backward viterbi
WO2010080792A1 (en) * 2009-01-06 2010-07-15 Digital Compression Technology Lp Method and apparatus for increasing the channel capacity of a bandwidth limited communications path
KR101527537B1 (ko) * 2011-08-04 2015-06-16 켈콴 홀딩스 리미티드 대역폭 제한 통신 경로의 채널 용량을 증가시키는 방법 및 장치

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US3875515A (en) * 1973-06-19 1975-04-01 Rixon Automatic equalizer with decision directed feedback
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JPH0590904A (ja) * 1991-09-27 1993-04-09 Nec Corp 制御信号発生回路
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JP3143247B2 (ja) * 1993-01-11 2001-03-07 沖電気工業株式会社 符号分割多元接続復調装置

Also Published As

Publication number Publication date
EP0744101A1 (en) 1996-11-27
CA2179979C (en) 2001-07-03
KR100228950B1 (ko) 1999-11-01
US5761237A (en) 1998-06-02
DE69412288T2 (de) 1999-04-22
WO1995022209A1 (en) 1995-08-17
JP2839039B2 (ja) 1998-12-16
JPH09503113A (ja) 1997-03-25
DE69412288D1 (de) 1998-09-10
BR9408527A (pt) 1997-08-05
EP0744101B1 (en) 1998-08-05
CA2179979A1 (en) 1995-08-17

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