CN1897473A - 可变扩展因数多使用者检测器 - Google Patents

可变扩展因数多使用者检测器 Download PDF

Info

Publication number
CN1897473A
CN1897473A CNA2006101007785A CN200610100778A CN1897473A CN 1897473 A CN1897473 A CN 1897473A CN A2006101007785 A CNA2006101007785 A CN A2006101007785A CN 200610100778 A CN200610100778 A CN 200610100778A CN 1897473 A CN1897473 A CN 1897473A
Authority
CN
China
Prior art keywords
matrix
user
play amount
flare factor
row
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.)
Pending
Application number
CNA2006101007785A
Other languages
English (en)
Chinese (zh)
Inventor
亚历山大·雷兹尼克
T·J·路贝克基
A·蔡依拉
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
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 InterDigital Technology Corp filed Critical InterDigital Technology Corp
Publication of CN1897473A publication Critical patent/CN1897473A/zh
Pending legal-status Critical Current

Links

Images

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
    • H04B1/71052—Joint detection techniques, e.g. linear detectors using decorrelation matrix
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • H04B2201/70705—Rate detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Burglar Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Particle Accelerators (AREA)
  • Eye Examination Apparatus (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Radio Relay Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Complex Calculations (AREA)
  • Measurement Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Fire Alarms (AREA)
  • Push-Button Switches (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
CNA2006101007785A 1999-09-21 2000-02-02 可变扩展因数多使用者检测器 Pending CN1897473A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15498599P 1999-09-21 1999-09-21
US60/154,985 1999-09-21

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100551908A Division CN100425010C (zh) 1999-09-21 2000-02-02 可变扩展因数多使用者检测器

Publications (1)

Publication Number Publication Date
CN1897473A true CN1897473A (zh) 2007-01-17

Family

ID=22553662

Family Applications (3)

Application Number Title Priority Date Filing Date
CNA2006101007785A Pending CN1897473A (zh) 1999-09-21 2000-02-02 可变扩展因数多使用者检测器
CNB00813216XA Expired - Fee Related CN1201499C (zh) 1999-09-21 2000-02-02 可变扩展因数多使用者检测器
CNB2005100551908A Expired - Fee Related CN100425010C (zh) 1999-09-21 2000-02-02 可变扩展因数多使用者检测器

Family Applications After (2)

Application Number Title Priority Date Filing Date
CNB00813216XA Expired - Fee Related CN1201499C (zh) 1999-09-21 2000-02-02 可变扩展因数多使用者检测器
CNB2005100551908A Expired - Fee Related CN100425010C (zh) 1999-09-21 2000-02-02 可变扩展因数多使用者检测器

Country Status (19)

Country Link
US (2) US7136369B2 (enExample)
EP (1) EP1214796B1 (enExample)
JP (2) JP4365063B2 (enExample)
KR (3) KR20050039883A (enExample)
CN (3) CN1897473A (enExample)
AT (1) ATE287149T1 (enExample)
AU (1) AU2636500A (enExample)
BR (1) BR0014206A (enExample)
CA (1) CA2385082C (enExample)
DE (2) DE60017424T2 (enExample)
DK (1) DK1214796T3 (enExample)
ES (1) ES2234566T3 (enExample)
HK (1) HK1046338B (enExample)
IL (4) IL148607A0 (enExample)
MX (1) MXPA02002819A (enExample)
NO (2) NO325841B1 (enExample)
SG (1) SG152901A1 (enExample)
TW (1) TW493321B (enExample)
WO (1) WO2001022610A1 (enExample)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001022610A1 (en) * 1999-09-21 2001-03-29 Interdigital Technology Corporation Multiuser detector for variable spreading factors
US6714527B2 (en) * 1999-09-21 2004-03-30 Interdigital Techology Corporation Multiuser detector for variable spreading factors
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
US7203221B2 (en) 2001-03-14 2007-04-10 Mercury Computer Systems, Inc. Load balancing computational methods in a short-code spread-spectrum communications system
KR100383594B1 (ko) * 2001-06-01 2003-05-14 삼성전자주식회사 통신시스템의 하방향링크 공동검출 방법 및 장치
GB2380371A (en) * 2001-10-01 2003-04-02 Ipwireless Inc Method and arrangement for use in a single user detector for a CDMA multi-path system using a finite impulse response filter
US20040004945A1 (en) * 2001-10-22 2004-01-08 Peter Monsen Multiple access network and method for digital radio systems
US6741653B2 (en) * 2002-07-01 2004-05-25 Interdigital Technology Corporation Data detection for codes with non-uniform spreading factors
KR20050103315A (ko) 2002-07-19 2005-10-28 인터디지탈 테크날러지 코포레이션 수신 다이버시티를 갖는 블록 전송을 위한 그룹형 직렬간섭 제거
KR100557102B1 (ko) * 2002-09-07 2006-03-03 삼성전자주식회사 이동통신 시스템에서 직교부호의 길이에 상관없는 공동검출 수신 장치 및 방법
US7408978B2 (en) * 2002-09-09 2008-08-05 Interdigital Technology Corporation Extended algorithm data estimator
CN1170389C (zh) * 2002-11-13 2004-10-06 大唐移动通信设备有限公司 在联合检测系统中应用长小区化码的方法
CN1186950C (zh) 2002-11-13 2005-01-26 大唐移动通信设备有限公司 扩谱系数可变的多用户解调方法
EP1563625A4 (en) * 2002-11-19 2009-12-16 Bae Systems Information BANDWIDTHEFFICIENT WIRELESS NETWORK MODEM
ES2293202T3 (es) * 2003-01-10 2008-03-16 Interdigital Technology Corporation Estimacion generalizada de datos en dos etapas.
US8064494B2 (en) * 2003-05-28 2011-11-22 Qualcomm Incorporated Last finger polling for rake receivers
CN100433603C (zh) * 2003-06-24 2008-11-12 华为技术有限公司 一种码多分址（cdma）通信系统中的多用户检测方法
AU2003247654A1 (en) * 2003-06-25 2005-02-14 Bae Systems Information And Electronic Systems Integration Inc Windowed multiuser detection
US7236546B2 (en) 2003-09-10 2007-06-26 Bae Systems Information And Electronic Systems Integration Inc. Pipelined turbo multiuser detection
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US8503328B2 (en) 2004-09-01 2013-08-06 Qualcomm Incorporated Methods and apparatus for transmission of configuration information in a wireless communication network
GB2418327A (en) * 2004-09-17 2006-03-22 Toshiba Res Europ Ltd Common channel interference cancellation in a CDMA system
US7610025B2 (en) 2005-03-29 2009-10-27 Qualcomm Incorporated Antenna array pattern distortion mitigation
CN101170527B (zh) * 2006-10-24 2010-07-14 中兴通讯股份有限公司 一种基于mmse的mlse简化检测方法及其装置
GB2463872B (en) 2008-09-24 2012-04-18 Toshiba Res Europ Ltd A MMSE equaliser
US9130638B2 (en) 2011-05-26 2015-09-08 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US8547988B2 (en) * 2010-05-28 2013-10-01 Ronny Hadani Communications method employing orthonormal time-frequency shifting and spectral shaping
US9071285B2 (en) 2011-05-26 2015-06-30 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US9369550B2 (en) * 2011-11-11 2016-06-14 Pismo Labs Technology Limited Protocol for layer two multiple network links tunnelling
US10044841B2 (en) 2011-11-11 2018-08-07 Pismo Labs Technology Limited Methods and systems for creating protocol header for embedded layer two packets
US10469215B2 (en) 2012-06-25 2019-11-05 Cohere Technologies, Inc. Orthogonal time frequency space modulation system for the Internet of Things
US10411843B2 (en) 2012-06-25 2019-09-10 Cohere Technologies, Inc. Orthogonal time frequency space communication system compatible with OFDM
US9693351B2 (en) 2012-11-07 2017-06-27 Massachusetts Institute Of Technology Method and apparatus for rate determination in a radio frequency system
US9148804B2 (en) 2012-11-07 2015-09-29 Massachusetts Institute Of Technology Method and apparatus for making optimal use of an asymmetric interference channel in wireless communication systems
US10091798B2 (en) 2012-11-07 2018-10-02 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US9693361B2 (en) 2012-11-07 2017-06-27 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US9998199B2 (en) 2013-03-14 2018-06-12 Massachusetts Institute Of Technology Method and apparatus for smart adaptive dynamic range multiuser detection radio receiver
US9699665B2 (en) 2014-06-16 2017-07-04 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US10299281B2 (en) 2014-06-16 2019-05-21 Massachusetts Institute Of Technology Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
US10159004B2 (en) 2014-11-03 2018-12-18 Massachusetts Institute Of Technology Message fractionation and physical layer channel assignment for multiuser detection-enabled wireless communication among adaptive interference
US10574317B2 (en) 2015-06-18 2020-02-25 Cohere Technologies, Inc. System and method for providing wireless communication services using configurable broadband infrastructure shared among multiple network operators
US11522600B1 (en) 2018-08-01 2022-12-06 Cohere Technologies, Inc. Airborne RF-head system
US11632764B1 (en) 2019-05-21 2023-04-18 Massachusetts Institute Of Technology Multi-antenna sequential interference cancelling receiver
US11005507B2 (en) 2019-06-14 2021-05-11 Massachusetts Institute Of Technology Targeted ratio of signal power to interference plus noise power for enhancement of a multi-user detection receiver

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151919A (en) 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5204874A (en) 1991-08-28 1993-04-20 Motorola, Inc. Method and apparatus for using orthogonal coding in a communication system
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
EP0767543A3 (de) 1995-10-06 2000-07-26 Siemens Aktiengesellschaft Kodemultiplexnachrichtenübertragung mit Interferenzunterdrückung
FI100041B (fi) 1995-12-29 1997-08-29 Nokia Telecommunications Oy Menetelmä signaalin ja kohinan laadun estimoimiseksi ja vastaanotin
DE19616829C1 (de) * 1996-04-26 1997-04-24 Siemens Ag System zur Funkübertragung digitaler Signale zwischen mehreren Teilnehmerstationen und einer Basisstation
BR9812816A (pt) * 1997-09-15 2000-08-08 Adaptive Telecom Inc Processos para comunicação sem fio, e para eficientemente determinar na estação base um canal espacial da unidade móvel em um sistema de comunicação sem fio, e, estação base de cdma
KR19990052334A (ko) * 1997-12-22 1999-07-05 서평원 직접확산 코드분할 다중접속 시스템의 다중사용자 검파장치 및 방법
US6339612B1 (en) 1998-02-09 2002-01-15 Motorola, Inc. Method and apparatus for joint detection of data in a direct sequence spread spectrum communications system
US6307867B1 (en) 1998-05-14 2001-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Data transmission over a communications link with variable transmission rates
US6463097B1 (en) 1998-10-16 2002-10-08 Koninklijke Philips Electronics N.V. Rate detection in direct sequence code division multiple access systems
DE19852571C1 (de) 1998-11-13 2000-06-21 Siemens Ag Verfahren zur Datenübertragung in einem Funk-Kommunikationssystem mit CDMA-Teilnehmerseparierung und variablen Spreizfaktoren
US6775260B1 (en) * 1999-02-25 2004-08-10 Texas Instruments Incorporated Space time transmit diversity for TDD/WCDMA systems
FR2793363B1 (fr) 1999-05-04 2001-07-06 France Telecom Procede de detection conjointe d'un ensemble de codes cdma
JP3485498B2 (ja) 1999-06-28 2004-01-13 株式会社ケンウッド Ｃｄｍａ用受信装置及びそのパス探索方法
US6831944B1 (en) * 1999-09-14 2004-12-14 Interdigital Technology Corporation Reduced computation in joint detection
US6714527B2 (en) 1999-09-21 2004-03-30 Interdigital Techology Corporation Multiuser detector for variable spreading factors
WO2001022610A1 (en) * 1999-09-21 2001-03-29 Interdigital Technology Corporation Multiuser detector for variable spreading factors
JP2001111456A (ja) 1999-10-06 2001-04-20 Nec Corp Ｃｄｍａ受信機及び受信方法
IT1314346B1 (it) 1999-12-30 2002-12-09 Telit Mobile Terminals Spa Metodo e dispositivo per la generazione di codici ortogonali a fattore di spreading variabile o righe di matricidi hadamard per sistemi di
JP3424748B2 (ja) 2000-05-25 2003-07-07 日本電気株式会社 Ｃｄｍａ受信装置およびレート整合処理方法
JP2001358613A (ja) 2000-06-14 2001-12-26 Fujitsu Ltd Ｃｄｍａ受信装置
AU2001282755A1 (en) 2000-08-04 2002-02-18 Telefonaktiebolaget Lm Ericsson (Publ) Spreading factor detector
FR2825856B1 (fr) * 2001-06-06 2003-09-12 Nortel Networks Ltd Procede et dispositif de traitement de signal dans un recepteur de radiocommunication a etalement de spectre
WO2007131384A1 (en) * 2006-05-12 2007-11-22 Daoben Li A grouping time, space, frequency multiaddress coding method

Also Published As

Publication number Publication date
IL182118A0 (en) 2007-07-24
JP2008017520A (ja) 2008-01-24
AU2636500A (en) 2001-04-24
DK1214796T3 (da) 2005-04-04
BR0014206A (pt) 2002-05-21
EP1214796B1 (en) 2005-01-12
MXPA02002819A (es) 2003-07-21
US20020176392A1 (en) 2002-11-28
US20080198828A1 (en) 2008-08-21
DE1214796T1 (de) 2002-11-28
EP1214796A1 (en) 2002-06-19
NO20021307D0 (no) 2002-03-15
NO20081291L (no) 2002-05-15
KR20040097241A (ko) 2004-11-17
JP4365063B2 (ja) 2009-11-18
CN1674456A (zh) 2005-09-28
IL148607A0 (en) 2002-09-12
HK1046338A1 (en) 2003-01-03
ATE287149T1 (de) 2005-01-15
CN100425010C (zh) 2008-10-08
WO2001022610A9 (en) 2004-04-01
WO2001022610A1 (en) 2001-03-29
DE60017424T2 (de) 2005-12-29
KR20050039883A (ko) 2005-04-29
NO325841B1 (no) 2008-07-28
DE60017424D1 (de) 2005-02-17
US7778232B2 (en) 2010-08-17
CA2385082C (en) 2008-04-08
KR100493750B1 (ko) 2005-06-07
CN1201499C (zh) 2005-05-11
IL182118A (en) 2009-07-20
NO20021307L (no) 2002-05-15
JP2003510884A (ja) 2003-03-18
KR20020038934A (ko) 2002-05-24
CN1376338A (zh) 2002-10-23
CA2385082A1 (en) 2001-03-29
US7136369B2 (en) 2006-11-14
IL195539A (en) 2011-08-31
SG152901A1 (en) 2009-06-29
HK1046338B (en) 2005-08-19
KR100495758B1 (ko) 2005-06-16
TW493321B (en) 2002-07-01
ES2234566T3 (es) 2005-07-01
IL148607A (en) 2007-07-04

Similar Documents

Publication Publication Date Title
CN1897473A (zh) 可变扩展因数多使用者检测器
US6714527B2 (en) Multiuser detector for variable spreading factors
CN1921323A (zh) Cdma信号多用户检测接收器
EP1513266A1 (en) Multiuser detector for variable spreading factors
CA2617242C (en) Multiuser detector for variable spreading factors
HK1076547A (en) Multiuser detector for variable spreading factors
HK1077430A (en) Multiuser detector for variable spreading factors
HK1100596A (en) Parallel interference cancellation receiver for multiuser detection of cdma signals
HK1085582A (en) Receiver for multiuser detection of cdma signals

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20070117