DE60102439D1 - Verfahren und Gerät zur Mehrbenutzerdetektion in DS-CDMA Modus - Google Patents

Verfahren und Gerät zur Mehrbenutzerdetektion in DS-CDMA Modus

Info

Publication number
DE60102439D1
DE60102439D1 DE60102439T DE60102439T DE60102439D1 DE 60102439 D1 DE60102439 D1 DE 60102439D1 DE 60102439 T DE60102439 T DE 60102439T DE 60102439 T DE60102439 T DE 60102439T DE 60102439 D1 DE60102439 D1 DE 60102439D1
Authority
DE
Germany
Prior art keywords
vector
received signal
imaginary
real
closest neighbor
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
DE60102439T
Other languages
English (en)
Other versions
DE60102439T2 (de
Inventor
Loic Brunel
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.)
Mitsubishi Electric Information Technology Corp
Original Assignee
Mitsubishi Electric Information 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 Mitsubishi Electric Information Technology Corp filed Critical Mitsubishi Electric Information Technology Corp
Publication of DE60102439D1 publication Critical patent/DE60102439D1/de
Application granted granted Critical
Publication of DE60102439T2 publication Critical patent/DE60102439T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03299—Arrangements for operating in conjunction with other apparatus with noise-whitening circuitry
    • 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
    • H04B1/71057—Joint detection techniques, e.g. linear detectors using maximum-likelihood sequence estimation [MLSE]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/03242—Methods involving sphere decoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/0328—Arrangements for operating in conjunction with other apparatus with interference cancellation circuitry
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03993—Noise whitening
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuits Of Receivers In General (AREA)
DE60102439T 2000-12-20 2001-12-13 Methode und Vorrichtung zum Erfassen von mehreren Benutzern in einem DS-CDMA Telekommunikationssystem Expired - Lifetime DE60102439T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0017071A FR2818468B1 (fr) 2000-12-20 2000-12-20 Methode et dispositif de detection multi-utilisateur en mode ds-cdma
FR0017071 2000-12-20

Publications (2)

Publication Number Publication Date
DE60102439D1 true DE60102439D1 (de) 2004-04-29
DE60102439T2 DE60102439T2 (de) 2004-08-19

Family

ID=8858236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60102439T Expired - Lifetime DE60102439T2 (de) 2000-12-20 2001-12-13 Methode und Vorrichtung zum Erfassen von mehreren Benutzern in einem DS-CDMA Telekommunikationssystem

Country Status (6)

Country Link
US (1) US7349459B2 (de)
EP (1) EP1221773B1 (de)
JP (1) JP4014079B2 (de)
AT (1) ATE262752T1 (de)
DE (1) DE60102439T2 (de)
FR (1) FR2818468B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7218665B2 (en) * 2003-04-25 2007-05-15 Bae Systems Information And Electronic Systems Integration Inc. Deferred decorrelating decision-feedback detector for supersaturated communications
US7289583B2 (en) * 2003-10-14 2007-10-30 Telefonktiebolagel Lm Ericsson (Publ) Method of and apparatus for single antenna interference rejection through relaxation
CN100440878C (zh) * 2004-03-12 2008-12-03 重庆邮电学院 基于循环前缀单载波系统的格形译码解调器及解调方法
US7613228B2 (en) * 2005-08-10 2009-11-03 Bae Systems Information And Electronic Systems Integration Inc. M-Algorithm multiuser detector with correlation based pruning
US8483145B2 (en) * 2006-06-16 2013-07-09 Telefonaktiebolaget Lm Ericsson (Publ) Method for channel quality measures in a multiple antenna system
US20110158189A1 (en) * 2009-12-29 2011-06-30 Industrial Technology Research Institute Methods and Apparatus for Multi-Transmitter Collaborative Communications Systems
US10148285B1 (en) 2012-07-25 2018-12-04 Erich Schmitt Abstraction and de-abstraction of a digital data stream
US10795858B1 (en) 2014-02-18 2020-10-06 Erich Schmitt Universal abstraction and de-abstraction of a digital data stream

Family Cites Families (27)

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FI85548C (fi) 1990-06-14 1992-04-27 Nokia Oy Ab Mottagningsfoerfarande och mottagare foer diskreta signaler.
US5297170A (en) 1990-08-21 1994-03-22 Codex Corporation Lattice and trellis-coded quantization
EP0544875B1 (de) * 1991-06-20 1998-12-02 Motorola, Inc. Einrichtung zur einstellung von signalpunkten, entzerrerverstärkungen und dergleichen
US5541964A (en) * 1993-08-30 1996-07-30 At&T Corp. Distortion compensation technique
US5444712A (en) * 1993-08-30 1995-08-22 At&T Corp. Communication mode identification technique
FI106898B (fi) * 1993-11-10 2001-04-30 Nokia Networks Oy Vastaanottomenetelmä ja CDMA-vastaanotin
US5790588A (en) * 1995-06-07 1998-08-04 Ntt Mobile Communications Network, Inc. Spread spectrum transmitter and receiver employing composite spreading codes
DE19630391C1 (de) * 1996-07-26 1997-07-24 Siemens Ag Verfahren zur empfangsseitigen Datendetektion in einem Übertragungssystem
CA2302289C (en) 1996-08-29 2005-11-08 Gregory G. Raleigh Spatio-temporal processing for communication
US5835731A (en) * 1996-09-18 1998-11-10 Lucent Technologies Inc. Technique for improving the blind convergence of a two-filter adaptive equalizer
US6263013B1 (en) * 1996-11-21 2001-07-17 Dsp Group, Inc. Fast tracking of PN synchronization in a direct-sequence spread-spectrum digital communications system
US6161209A (en) * 1997-03-28 2000-12-12 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Joint detector for multiple coded digital signals
US6628699B2 (en) * 1997-06-23 2003-09-30 Schlumberger Resource Management Systems, Inc. Receiving a spread spectrum signal
SG77607A1 (en) * 1997-08-26 2001-01-16 Univ Singapore A multi-user code division multiple access receiver
US6181729B1 (en) * 1997-12-19 2001-01-30 Supergold Communication Limited Spread spectrum communication
US6654365B1 (en) * 1998-02-24 2003-11-25 L-3 Communications Corporation Reduced complexity trellis-based multiuser detector for CDMA
US6259743B1 (en) * 1998-07-02 2001-07-10 Lucent Technologies Inc. Automatic constellation phase recovery in blind start-up of a dual mode CAP-QAM receiver
US6301293B1 (en) * 1998-08-04 2001-10-09 Agere Systems Guardian Corp. Detectors for CDMA systems
EP1048155A2 (de) * 1998-10-16 2000-11-02 Analog Devices, Incorporated Vorrichtung und verfahren zur bestimmung der cosetpunkte mit geringster entfernung in einem trellisdekoder
KR100513710B1 (ko) * 1999-05-25 2005-09-07 삼성전자주식회사 Ｃｄｍａ 통신시스템의 코드동기 취득방법 및 그 장치
US6490318B1 (en) * 1999-06-24 2002-12-03 Agere Systems Inc. Phase-compensating constant modulus algorithm
EP1109329B1 (de) * 1999-12-14 2003-04-02 STMicroelectronics S.A. DSL-Übertragungsystem mit Fernnebensprechkompensation
EP1109326A1 (de) * 1999-12-15 2001-06-20 Lucent Technologies Inc. Präambeldetektor für einen CDMA-Empfänger
US6301315B1 (en) * 1999-12-22 2001-10-09 At&T Corp. Methods and systems for symbol estimation in a receiver
JP4327973B2 (ja) * 2000-01-25 2009-09-09 パナソニック株式会社 受信装置および受信時刻推定方法
US6801579B1 (en) 2000-03-09 2004-10-05 Lucent Technologies Inc. Method and wireless communication using unitary space-time signal constellations
FR2814014B1 (fr) * 2000-09-14 2002-10-11 Mitsubishi Electric Inf Tech Methode de detection multi-utilisateur

Also Published As

Publication number Publication date
ATE262752T1 (de) 2004-04-15
FR2818468B1 (fr) 2003-01-31
FR2818468A1 (fr) 2002-06-21
US7349459B2 (en) 2008-03-25
JP4014079B2 (ja) 2007-11-28
DE60102439T2 (de) 2004-08-19
JP2002217870A (ja) 2002-08-02
EP1221773B1 (de) 2004-03-24
US20020114410A1 (en) 2002-08-22
EP1221773A1 (de) 2002-07-10

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