ATE470996T1 - Verfahren zur mehrbenutzerdetektion - Google Patents

Verfahren zur mehrbenutzerdetektion

Info

Publication number
ATE470996T1
ATE470996T1 AT01402353T AT01402353T ATE470996T1 AT E470996 T1 ATE470996 T1 AT E470996T1 AT 01402353 T AT01402353 T AT 01402353T AT 01402353 T AT01402353 T AT 01402353T AT E470996 T1 ATE470996 T1 AT E470996T1
Authority
AT
Austria
Prior art keywords
coefficients
signals
user detection
received
user
Prior art date
Application number
AT01402353T
Other languages
English (en)
Inventor
David Mottier
Original Assignee
Mitsubishi Elec R&D Ct Europe
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 Mitsubishi Elec R&D Ct Europe filed Critical Mitsubishi Elec R&D Ct Europe
Application granted granted Critical
Publication of ATE470996T1 publication Critical patent/ATE470996T1/de

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
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Push-Button Switches (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT01402353T 2000-09-14 2001-09-12 Verfahren zur mehrbenutzerdetektion ATE470996T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0011906A FR2814014B1 (fr) 2000-09-14 2000-09-14 Methode de detection multi-utilisateur

Publications (1)

Publication Number Publication Date
ATE470996T1 true ATE470996T1 (de) 2010-06-15

Family

ID=8854434

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01402353T ATE470996T1 (de) 2000-09-14 2001-09-12 Verfahren zur mehrbenutzerdetektion

Country Status (6)

Country Link
US (1) US7031671B2 (de)
EP (1) EP1189361B1 (de)
JP (1) JP2002152177A (de)
AT (1) ATE470996T1 (de)
DE (1) DE60142326D1 (de)
FR (1) FR2814014B1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2813728B1 (fr) * 2000-09-07 2003-03-07 Mitsubishi Electric Inf Tech Recepteur cdma adaptatif bi-modulaire
FR2818057B1 (fr) 2000-12-13 2006-07-07 Mitsubishi Electric Inf Tech Methode et dispositif de detection multi-utilisateur
FR2818468B1 (fr) * 2000-12-20 2003-01-31 Mitsubishi Electric Inf Tech Methode et dispositif de detection multi-utilisateur en mode ds-cdma
US6922170B2 (en) * 2002-01-24 2005-07-26 Motorola, Inc. Methods and apparatus for determining a direction of arrival in a wireless communication system
US8194770B2 (en) * 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US7301993B2 (en) * 2002-09-13 2007-11-27 Broadcom Corporation Channel estimation in a spread spectrum receiver
KR20040036102A (ko) * 2002-10-23 2004-04-30 한국전자통신연구원 코드분할 다중접속에서의 다수 사용자 검출 시스템 및 그방법
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
EP1556962A2 (de) * 2002-10-29 2005-07-27 Axiocom Inc. Empfänger mit kaskadierten filtern für ds-cdma kommunikationssysteme
CN100338932C (zh) * 2002-12-06 2007-09-19 冯志强 一种压制和减少ds－cdma系统多用户干扰的信号处理装置
WO2004059793A1 (fr) * 2002-12-31 2004-07-15 Zte Corporation Antenne intelligente et dispositif de formation de faisceau adaptatif
GB2403104B (en) * 2003-06-16 2006-06-14 Inmarsat Ltd Communication method and apparatus
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
WO2007071056A1 (en) * 2005-12-21 2007-06-28 Axiocom Inc. Method and system for adaptive duplicated filters and interference cancellation.
US8493953B1 (en) * 2006-02-14 2013-07-23 L-3 Communications Method and device for mitigation of multi-user interference in code division multiple access
US8743848B2 (en) * 2009-05-26 2014-06-03 Broadcom Corporation Hybrid location determination for wireless communication device
US8229041B2 (en) * 2009-05-26 2012-07-24 Broadcom Corporation Direct detection of wireless interferers in a communication device for multiple modulation types
CN105634702B (zh) * 2014-12-01 2019-09-10 中兴通讯股份有限公司 多用户信息共道发送、接收方法及其装置
KR102456841B1 (ko) * 2016-01-04 2022-10-21 한국전자통신연구원 가시경로 상에서 다중입력 다중출력 시스템의 성능 향상 방법
WO2025188375A1 (en) * 2023-10-26 2025-09-12 The Regents Of The University Of California Active sensing and inference methods and systems for millimeter wave applications

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9317604D0 (en) * 1993-08-24 1993-10-06 Philips Electronics Uk Ltd Receiver for ds-cdma signals
JP3390900B2 (ja) * 1996-12-20 2003-03-31 富士通株式会社 干渉キャンセラ及び仮判定方法
JP2965202B1 (ja) * 1998-04-07 1999-10-18 日本電気株式会社 マルチユーザ受信装置及びｃｄｍａ通信システム
US6301293B1 (en) * 1998-08-04 2001-10-09 Agere Systems Guardian Corp. Detectors for CDMA systems
US6115409A (en) * 1999-06-21 2000-09-05 Envoy Networks, Inc. Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers
US6115406A (en) * 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system

Also Published As

Publication number Publication date
US20020072336A1 (en) 2002-06-13
EP1189361B1 (de) 2010-06-09
DE60142326D1 (de) 2010-07-22
FR2814014B1 (fr) 2002-10-11
FR2814014A1 (fr) 2002-03-15
EP1189361A1 (de) 2002-03-20
JP2002152177A (ja) 2002-05-24
US7031671B2 (en) 2006-04-18

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties