DE69924197D1 - Linearer Raum-Zeit Mehrbenutzerdetektor - Google Patents

Linearer Raum-Zeit Mehrbenutzerdetektor

Info

Publication number
DE69924197D1
DE69924197D1 DE69924197T DE69924197T DE69924197D1 DE 69924197 D1 DE69924197 D1 DE 69924197D1 DE 69924197 T DE69924197 T DE 69924197T DE 69924197 T DE69924197 T DE 69924197T DE 69924197 D1 DE69924197 D1 DE 69924197D1
Authority
DE
Germany
Prior art keywords
linear space
time multi
user detector
detector
user
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 - Lifetime
Application number
DE69924197T
Other languages
English (en)
Other versions
DE69924197T2 (de
Inventor
Howard C Huang
Constantinos Basil Papadias
Laurence Eugene Mailaender
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 DE69924197D1 publication Critical patent/DE69924197D1/de
Application granted granted Critical
Publication of DE69924197T2 publication Critical patent/DE69924197T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04B1/69—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
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • 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
    • 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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
DE69924197T 1998-08-04 1999-07-26 Linearer Raum-Zeit Mehrbenutzerdetektor Expired - Lifetime DE69924197T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/129,479 US6301293B1 (en) 1998-08-04 1998-08-04 Detectors for CDMA systems
US129479 1998-08-04

Publications (2)

Publication Number Publication Date
DE69924197D1 true DE69924197D1 (de) 2005-04-21
DE69924197T2 DE69924197T2 (de) 2006-03-23

Family

ID=22440164

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924197T Expired - Lifetime DE69924197T2 (de) 1998-08-04 1999-07-26 Linearer Raum-Zeit Mehrbenutzerdetektor

Country Status (9)

Country Link
US (1) US6301293B1 (de)
EP (1) EP0978951B1 (de)
JP (1) JP3553426B2 (de)
KR (1) KR100317518B1 (de)
CN (1) CN1278496C (de)
AU (1) AU4245199A (de)
BR (1) BR9902994A (de)
CA (1) CA2279471C (de)
DE (1) DE69924197T2 (de)

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US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
US6570908B1 (en) * 1998-12-26 2003-05-27 Samsung Electronics, Co., Ltd. Apparatus and method for distortion compensation of high power amplifier in DS-multicode CDMA system
US6377611B1 (en) * 1999-02-01 2002-04-23 Industrial Technology Research Institute Apparatus and method for a DSSS/CDMA receiver
US6714585B1 (en) 1999-06-25 2004-03-30 Ericsson Inc. Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics
US6801565B1 (en) * 1999-06-25 2004-10-05 Ericsson Inc. Multi-stage rake combining methods and apparatus
US6856643B1 (en) * 1999-10-22 2005-02-15 Cwill Telecommunications, Inc. Communication system and method for performing fast symbol estimation for multiple access disperse channels
US6600796B1 (en) * 1999-11-12 2003-07-29 Lucent Technologies Inc. Method and apparatus for receiving wireless transmissions using multiple-antenna arrays
KR100625451B1 (ko) * 1999-12-18 2006-09-18 주식회사 케이티 스마트 안테나와 간섭제거기의 결합장치에서의 간섭신호제거방법
DE10003734A1 (de) * 2000-01-28 2001-08-02 Bosch Gmbh Robert Detektionsverfahren und -vorrichtung
US6963546B2 (en) * 2000-03-15 2005-11-08 Interdigital Technology Corp. Multi-user detection using an adaptive combination of joint detection and successive interface cancellation
US20030206577A1 (en) * 2000-03-21 2003-11-06 Liberti Joseph Charles Combined adaptive spatio-temporal processing and multi-user detection for CDMA wireless systems
US7391804B2 (en) * 2000-04-04 2008-06-24 Lot 41 Acquisition Foundation, Llc Spread spectrum communication method and system using diversity correlation and multi-user detection
US6618433B1 (en) * 2000-08-04 2003-09-09 Intel Corporation Family of linear multi-user detectors (MUDs)
FR2813464B1 (fr) * 2000-08-29 2006-07-07 Mitsubishi Electric Inf Tech Methode de detection multi-utilisateur
FR2814014B1 (fr) 2000-09-14 2002-10-11 Mitsubishi Electric Inf Tech Methode de detection multi-utilisateur
US7020175B2 (en) * 2000-09-21 2006-03-28 Motorola, Inc. MMSE reception of DS-CDMA with transmit diversity
DE60036949T2 (de) * 2000-11-20 2008-02-07 Lucent Technologies Inc. Verfahren und Vorrichtung zum Detektieren phasenmodulierter CCK-Symbole mit einer Korrelatorbank
US6754253B2 (en) * 2000-11-29 2004-06-22 Ericsson Inc. Receiver architecture for transmit diversity in CDMA system
KR100714046B1 (ko) * 2000-12-12 2007-05-04 주식회사 케이티 반복적 간섭을 제거하기 위한 분산 측정 장치 및 그 방법
FR2818468B1 (fr) * 2000-12-20 2003-01-31 Mitsubishi Electric Inf Tech Methode et dispositif de detection multi-utilisateur en mode ds-cdma
US7061891B1 (en) 2001-02-02 2006-06-13 Science Applications International Corporation Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum wireless network
US20050111529A1 (en) * 2001-02-22 2005-05-26 Prairiecomm, Inc. Tone detection using a cdma receiver
US7139306B2 (en) 2001-03-14 2006-11-21 Mercury Computer Systems, Inc. Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving pre-maximal combination matched filter outputs
US7376175B2 (en) 2001-03-14 2008-05-20 Mercury Computer Systems, Inc. Wireless communications systems and methods for cache enabled multiple processor based multiple user detection
FR2822568B1 (fr) * 2001-03-22 2003-06-06 Mitsubishi Electric Inf Tech Methode et dispositif d'egalisation de type gmmse
EP1386406A4 (de) 2001-03-30 2009-06-03 Science Applic Int Corp Mehrstufiger empfang von cdma-übertragungen
US7233620B2 (en) 2001-04-18 2007-06-19 Bae Systems Information And Electronic Systems Integration Inc. Bandwidth-efficient wireless network modem
US7486722B2 (en) 2001-04-18 2009-02-03 Bae Systems Information And Electronic Systems Integration Inc. Bandwidth efficient cable network modem
DE10123333A1 (de) * 2001-05-14 2002-11-28 Infineon Technologies Ag Mehrteilnehmer-Detektion mittels RAKE-Empfänger-Struktur
DE60107407T2 (de) * 2001-07-05 2005-05-19 Mitsubishi Electric Information Technology Centre Europe B.V. Mehrbenutzerdetektion in einem MC-CDMA Telekommunikationssystem
US6873646B2 (en) * 2001-07-12 2005-03-29 Industrial Technology Research Institute Perturbation apparatus and method for user detection in a multiple-access communication system
KR100763378B1 (ko) * 2001-07-27 2007-10-05 엘지전자 주식회사 다수의 안테나를 이용한 신호 송수신 방법 및 이를 위한시스템
US7006461B2 (en) * 2001-09-17 2006-02-28 Science Applications International Corporation Method and system for a channel selective repeater with capacity enhancement in a spread-spectrum wireless network
EP1300977A1 (de) * 2001-10-04 2003-04-09 Mitsubishi Electric Information Technology Centre Europe B.V. Parallel Interferenzunterdrückung in einem MC-CDMA-Telekommunikationssystem
US7042926B2 (en) * 2001-11-21 2006-05-09 Intel Corporation Low complexity multiuser detector
US7203181B2 (en) * 2002-06-28 2007-04-10 Interdigital Technology Corporation CDMA system transmission matrix coefficient calculation
KR100450849B1 (ko) * 2002-09-03 2004-10-01 한국전자통신연구원 시공간 블록 코딩이 사용된 ｄｓ／ｃｄｍａ 통신 시스템을위한 적응 간섭 완화 수신 장치
KR20040036102A (ko) * 2002-10-23 2004-04-30 한국전자통신연구원 코드분할 다중접속에서의 다수 사용자 검출 시스템 및 그방법
WO2004047346A1 (en) 2002-11-19 2004-06-03 Bae Systems Information And Electronic Systems Integration Inc Bandwidth efficient wirless network modem
US7161973B2 (en) * 2002-12-17 2007-01-09 Sbc Properties, L.P. Pilot aided adaptive minimum mean square interference cancellation and detection
US7257377B2 (en) * 2003-02-18 2007-08-14 Qualcomm, Incorporated Systems and methods for improving channel estimation
US7372919B1 (en) 2003-04-10 2008-05-13 Marvell International Ltd. Space-time block decoder for a wireless communications system
US7787522B2 (en) * 2003-04-11 2010-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Joint multi-code detectors in CDMA communications system
US7706347B2 (en) 2003-05-15 2010-04-27 Lg Electronics Inc. Signal processing apparatus and method using multi-output mobile communication system
KR100976708B1 (ko) 2003-06-04 2010-08-18 엘지전자 주식회사 다중사용자 검출장치 및 검출방법
KR100976707B1 (ko) 2003-06-04 2010-08-18 엘지전자 주식회사 다중사용자 검출장치 및 검출방법
AU2003247654A1 (en) * 2003-06-25 2005-02-14 Bae Systems Information And Electronic Systems Integration Inc Windowed multiuser detection
WO2005032159A2 (en) * 2003-09-24 2005-04-07 Sarnoff Corporation Method and apparatus for performing modulation/demodulation in a wireless communication system
CN1922789B (zh) * 2004-01-30 2011-09-07 拉瓦尔大学 多用户自适应阵列接收机与方法
US8218694B2 (en) * 2004-08-03 2012-07-10 Agency For Science, Technology And Research Method for transmitting a digital signal, method for receiving a digital signal, transmitter and receiver
CN100373841C (zh) * 2004-08-27 2008-03-05 电子科技大学 一种多用户空时分组编码检测方法
US8107549B2 (en) * 2005-11-30 2012-01-31 Qualcomm, Incorporated Multi-stage receiver for wireless communication
CN100571098C (zh) * 2006-02-24 2009-12-16 中国科学院上海微系统与信息技术研究所 通信系统中低复杂度的极大似然检测方法及装置
CN100459446C (zh) * 2006-12-06 2009-02-04 重庆重邮信科通信技术有限公司 一种多径衰落信道的信道路径估计搜索方法
US7986919B2 (en) * 2008-03-19 2011-07-26 Telefonaktiebolaget Lm Ericsson (Publ) Simplified impairments matrix calculation for SINR estimation
DK2157717T3 (da) * 2008-08-19 2013-05-06 Ericsson Telefon Ab L M Fremgangsmåde og system og indretning til annullering af forstyrrelser ved CQI-estimering
CN102177663B (zh) * 2008-09-04 2014-08-06 意大利电信股份公司 处理接收信号的方法及相应的接收机
KR20140077971A (ko) * 2011-10-19 2014-06-24 옵티스 셀룰러 테크놀리지, 엘엘씨 채널 예측을 위한 방법 및 장치
CN103580721B (zh) * 2013-11-04 2015-12-02 复旦大学 一种复杂时变多径信道中多天线迭代多用户检测方法与装置
US20170170998A1 (en) * 2015-12-11 2017-06-15 Nokia Solutions And Networks Oy Pre-combiner interference removal

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JP3122301B2 (ja) * 1994-03-02 2001-01-09 沖電気工業株式会社 空間ダイバーシチ受信装置
US5680419A (en) * 1994-08-02 1997-10-21 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
US5481572A (en) * 1994-08-02 1996-01-02 Ericsson Inc. Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver
US6006110A (en) * 1995-02-22 1999-12-21 Cisco Technology, Inc. Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization
DE69636472T2 (de) * 1995-11-29 2007-02-01 Ntt Docomo, Inc. Diversity-empfänger und zugehöriges steuerverfahren
CA2180924C (en) * 1996-07-10 2003-04-08 Adnan Abu-Dayya Diversity path co-channel interference reduction
US6097773A (en) * 1997-05-22 2000-08-01 Nortel Networks Limited Co-channel interference reduction

Also Published As

Publication number Publication date
CA2279471A1 (en) 2000-02-04
US6301293B1 (en) 2001-10-09
KR20000016990A (ko) 2000-03-25
EP0978951A3 (de) 2003-09-17
JP2000115028A (ja) 2000-04-21
KR100317518B1 (ko) 2001-12-22
CN1278496C (zh) 2006-10-04
JP3553426B2 (ja) 2004-08-11
EP0978951A2 (de) 2000-02-09
CA2279471C (en) 2004-03-02
EP0978951B1 (de) 2005-03-16
BR9902994A (pt) 2000-08-01
DE69924197T2 (de) 2006-03-23
AU4245199A (en) 2000-02-24
CN1247417A (zh) 2000-03-15

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