HK1045612B - Reduced computation in joint detection - Google Patents

Reduced computation in joint detection Download PDF

Info

Publication number
HK1045612B
HK1045612B HK02106956.7A HK02106956A HK1045612B HK 1045612 B HK1045612 B HK 1045612B HK 02106956 A HK02106956 A HK 02106956A HK 1045612 B HK1045612 B HK 1045612B
Authority
HK
Hong Kong
Prior art keywords
matrix
data signals
receiver
blocks
response
Prior art date
Application number
HK02106956.7A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1045612A1 (en
Inventor
Mani Misra Raj
Zeira Ariela
Original Assignee
Interdigital Technology Corporation
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 Corporation filed Critical Interdigital Technology Corporation
Publication of HK1045612A1 publication Critical patent/HK1045612A1/en
Publication of HK1045612B publication Critical patent/HK1045612B/en

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
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Communication Control (AREA)
  • Surgical Instruments (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Percussion Or Vibration Massage (AREA)
  • User Interface Of Digital Computer (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Interface Circuits In Exchanges (AREA)
HK02106956.7A 1999-09-14 2000-09-14 Reduced computation in joint detection HK1045612B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15380199P 1999-09-14 1999-09-14
US60/153801 1999-09-14
PCT/US2000/025241 WO2001020801A1 (en) 1999-09-14 2000-09-14 Reduced computation in joint detection

Publications (2)

Publication Number Publication Date
HK1045612A1 HK1045612A1 (en) 2002-11-29
HK1045612B true HK1045612B (en) 2004-11-26

Family

ID=22548789

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02106956.7A HK1045612B (en) 1999-09-14 2000-09-14 Reduced computation in joint detection

Country Status (16)

Country Link
EP (1) EP1212842B1 (enExample)
JP (1) JP3818643B2 (enExample)
KR (1) KR100445858B1 (enExample)
CN (3) CN1893297A (enExample)
AT (2) ATE265763T1 (enExample)
AU (1) AU7487900A (enExample)
CA (1) CA2384850C (enExample)
DE (3) DE60038063T2 (enExample)
DK (1) DK1212842T3 (enExample)
ES (2) ES2299770T3 (enExample)
HK (1) HK1045612B (enExample)
IL (3) IL148649A0 (enExample)
MX (1) MXPA02002733A (enExample)
NO (2) NO20021222L (enExample)
SG (1) SG108884A1 (enExample)
WO (1) WO2001020801A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW540200B (en) 2000-11-09 2003-07-01 Interdigital Tech Corp Single user detection
KR100383594B1 (ko) * 2001-06-01 2003-05-14 삼성전자주식회사 통신시스템의 하방향링크 공동검출 방법 및 장치
US6757321B2 (en) 2002-05-22 2004-06-29 Interdigital Technology Corporation Segment-wise channel equalization based data estimation
US6741653B2 (en) 2002-07-01 2004-05-25 Interdigital Technology Corporation Data detection for codes with non-uniform spreading factors
KR100557102B1 (ko) * 2002-09-07 2006-03-03 삼성전자주식회사 이동통신 시스템에서 직교부호의 길이에 상관없는 공동검출 수신 장치 및 방법
US7346103B2 (en) 2003-03-03 2008-03-18 Interdigital Technology Corporation Multi user detection using equalization and successive interference cancellation
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
CN100596032C (zh) * 2005-05-13 2010-03-24 上海原动力通信科技有限公司 多个基本中间码的分配方法
CN100464603C (zh) * 2005-06-16 2009-02-25 上海原动力通信科技有限公司 一种采用同频组网的数字蜂窝通信系统中越区切换的方法
CN100429874C (zh) * 2005-07-01 2008-10-29 上海原动力通信科技有限公司 简化实现低扩频系数的联合检测的方法
CN101170366B (zh) * 2006-10-24 2010-12-22 普天信息技术研究院 基于最小均方差线性块均衡实现信号联合检测的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
ATE265763T1 (de) 2004-05-15
KR100445858B1 (ko) 2004-08-30
NO20021222L (no) 2002-04-18
DK1212842T3 (da) 2004-08-16
HK1045612A1 (en) 2002-11-29
CN1893297A (zh) 2007-01-10
EP1212842B1 (en) 2004-04-28
ES2299770T3 (es) 2008-06-01
AU7487900A (en) 2001-04-17
JP3818643B2 (ja) 2006-09-06
CA2384850A1 (en) 2001-03-22
MXPA02002733A (es) 2002-10-23
DE60038063T2 (de) 2009-02-05
DE1212842T1 (de) 2002-11-14
DE60038063D1 (de) 2008-03-27
CA2384850C (en) 2005-02-01
IL148649A0 (en) 2002-09-12
EP1212842A1 (en) 2002-06-12
CN1578182A (zh) 2005-02-09
SG108884A1 (en) 2005-02-28
NO20021222D0 (no) 2002-03-12
IL148649A (en) 2007-07-04
JP2003509947A (ja) 2003-03-11
WO2001020801A1 (en) 2001-03-22
NO20080014L (no) 2002-04-18
KR20020038932A (ko) 2002-05-24
ATE386372T1 (de) 2008-03-15
CN1373937A (zh) 2002-10-09
DE60010289T2 (de) 2005-05-04
DE60010289D1 (de) 2004-06-03
CN100391119C (zh) 2008-05-28
ES2216960T3 (es) 2004-11-01
IL182119A0 (en) 2007-07-24
CN1174558C (zh) 2004-11-03

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