DE60017424T2 - Mehrbenutzerdetektor für variable spreizfaktoren - Google Patents

Mehrbenutzerdetektor für variable spreizfaktoren Download PDF

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Publication number
DE60017424T2
DE60017424T2 DE60017424T DE60017424T DE60017424T2 DE 60017424 T2 DE60017424 T2 DE 60017424T2 DE 60017424 T DE60017424 T DE 60017424T DE 60017424 T DE60017424 T DE 60017424T DE 60017424 T2 DE60017424 T2 DE 60017424T2
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Germany
Prior art keywords
matrix
group
system response
data
column
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
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DE60017424T
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German (de)
English (en)
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DE60017424D1 (de
Inventor
Alexander Reznik
J. Timothy LUBECKI
Ariela Zeira
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InterDigital Technology Corp
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InterDigital Technology Corp
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Publication of DE60017424D1 publication Critical patent/DE60017424D1/de
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Publication of DE60017424T2 publication Critical patent/DE60017424T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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  • 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)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Complex Calculations (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (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)
  • Measurement Of Radiation (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE60017424T 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren Expired - Lifetime DE60017424T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15498599P 1999-09-21 1999-09-21
US154985P 1999-09-21
PCT/US2000/002621 WO2001022610A1 (en) 1999-09-21 2000-02-02 Multiuser detector for variable spreading factors

Publications (2)

Publication Number Publication Date
DE60017424D1 DE60017424D1 (de) 2005-02-17
DE60017424T2 true DE60017424T2 (de) 2005-12-29

Family

ID=22553662

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1214796T Pending DE1214796T1 (de) 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren
DE60017424T Expired - Lifetime DE60017424T2 (de) 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1214796T Pending DE1214796T1 (de) 1999-09-21 2000-02-02 Mehrbenutzerdetektor für variable spreizfaktoren

Country Status (19)

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US (2) US7136369B2 (US06573293-20030603-C00009.png)
EP (1) EP1214796B1 (US06573293-20030603-C00009.png)
JP (2) JP4365063B2 (US06573293-20030603-C00009.png)
KR (3) KR20050039883A (US06573293-20030603-C00009.png)
CN (3) CN1897473A (US06573293-20030603-C00009.png)
AT (1) ATE287149T1 (US06573293-20030603-C00009.png)
AU (1) AU2636500A (US06573293-20030603-C00009.png)
BR (1) BR0014206A (US06573293-20030603-C00009.png)
CA (1) CA2385082C (US06573293-20030603-C00009.png)
DE (2) DE1214796T1 (US06573293-20030603-C00009.png)
DK (1) DK1214796T3 (US06573293-20030603-C00009.png)
ES (1) ES2234566T3 (US06573293-20030603-C00009.png)
HK (1) HK1046338B (US06573293-20030603-C00009.png)
IL (4) IL148607A0 (US06573293-20030603-C00009.png)
MX (1) MXPA02002819A (US06573293-20030603-C00009.png)
NO (2) NO325841B1 (US06573293-20030603-C00009.png)
SG (1) SG152901A1 (US06573293-20030603-C00009.png)
TW (1) TW493321B (US06573293-20030603-C00009.png)
WO (1) WO2001022610A1 (US06573293-20030603-C00009.png)

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US6714527B2 (en) 1999-09-21 2004-03-30 Interdigital Techology Corporation Multiuser detector for variable spreading factors
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
TWI501576B (zh) * 2002-07-19 2015-09-21 Rakuten Inc 用於具接收多樣化的塊組傳輸之群組式連續干擾消除
KR100557102B1 (ko) * 2002-09-07 2006-03-03 삼성전자주식회사 이동통신 시스템에서 직교부호의 길이에 상관없는 공동검출 수신 장치 및 방법
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
US7599346B2 (en) * 2002-11-19 2009-10-06 Bae Systems Information And Electronic Systems Integration Inc. Bandwidth-efficient wireless network modem
CN1723629A (zh) * 2003-01-10 2006-01-18 美商内数位科技公司 通用二阶段数据估测
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
WO2005010772A1 (en) * 2003-06-25 2005-02-03 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
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
US9071285B2 (en) 2011-05-26 2015-06-30 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US8879378B2 (en) * 2010-05-28 2014-11-04 Selim Shlomo Rakib Orthonormal time-frequency shifting and spectral shaping communications method
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US10044841B2 (en) 2011-11-11 2018-08-07 Pismo Labs Technology Limited Methods and systems for creating protocol header for embedded layer two packets
US9369550B2 (en) * 2011-11-11 2016-06-14 Pismo Labs Technology Limited Protocol for layer two multiple network links tunnelling
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
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
WO2013180816A2 (en) * 2012-11-07 2013-12-05 Massachusetts Institute Of Technology Method and apparatus for rate determination in a radio frequency system
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
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
WO2013185150A1 (en) 2013-03-14 2013-12-12 Massachusetts Institute Of Technology Method and apparatus for smart adaptive dynamic range multiuser detection radio receiver
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
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
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

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Also Published As

Publication number Publication date
KR20040097241A (ko) 2004-11-17
WO2001022610A9 (en) 2004-04-01
DK1214796T3 (da) 2005-04-04
IL182118A (en) 2009-07-20
EP1214796B1 (en) 2005-01-12
CA2385082C (en) 2008-04-08
CA2385082A1 (en) 2001-03-29
DE60017424D1 (de) 2005-02-17
JP4365063B2 (ja) 2009-11-18
SG152901A1 (en) 2009-06-29
US7136369B2 (en) 2006-11-14
CN1674456A (zh) 2005-09-28
KR100493750B1 (ko) 2005-06-07
HK1046338B (zh) 2005-08-19
KR100495758B1 (ko) 2005-06-16
IL182118A0 (en) 2007-07-24
TW493321B (en) 2002-07-01
CN1376338A (zh) 2002-10-23
NO20021307L (no) 2002-05-15
NO20081291L (no) 2002-05-15
AU2636500A (en) 2001-04-24
HK1046338A1 (en) 2003-01-03
KR20050039883A (ko) 2005-04-29
IL148607A (en) 2007-07-04
JP2003510884A (ja) 2003-03-18
DE1214796T1 (de) 2002-11-28
EP1214796A1 (en) 2002-06-19
CN100425010C (zh) 2008-10-08
NO20021307D0 (no) 2002-03-15
KR20020038934A (ko) 2002-05-24
MXPA02002819A (es) 2003-07-21
WO2001022610A1 (en) 2001-03-29
US20020176392A1 (en) 2002-11-28
CN1897473A (zh) 2007-01-17
BR0014206A (pt) 2002-05-21
ES2234566T3 (es) 2005-07-01
IL148607A0 (en) 2002-09-12
US20080198828A1 (en) 2008-08-21
NO325841B1 (no) 2008-07-28
IL195539A (en) 2011-08-31
JP2008017520A (ja) 2008-01-24
CN1201499C (zh) 2005-05-11
US7778232B2 (en) 2010-08-17
ATE287149T1 (de) 2005-01-15

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