DE69925326D1 - CDMA-Empfänger mit paraleller Interferenzunterdrückung und -gewichtung - Google Patents

CDMA-Empfänger mit paraleller Interferenzunterdrückung und -gewichtung

Info

Publication number
DE69925326D1
DE69925326D1 DE69925326T DE69925326T DE69925326D1 DE 69925326 D1 DE69925326 D1 DE 69925326D1 DE 69925326 T DE69925326 T DE 69925326T DE 69925326 T DE69925326 T DE 69925326T DE 69925326 D1 DE69925326 D1 DE 69925326D1
Authority
DE
Germany
Prior art keywords
weighting
interference suppression
parallel interference
cdma receivers
cdma
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
DE69925326T
Other languages
English (en)
Other versions
DE69925326T2 (de
Inventor
Christophe Boulanger
Laurent Ouvry
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE69925326D1 publication Critical patent/DE69925326D1/de
Publication of DE69925326T2 publication Critical patent/DE69925326T2/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
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71075—Parallel interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69925326T 1998-03-24 1999-03-22 CDMA-Empfänger mit paraleller Interferenzunterdrückung und -gewichtung Expired - Lifetime DE69925326T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803586A FR2776869B1 (fr) 1998-03-24 1998-03-24 Recepteur amrc a suppression parallele d'interferences et a ponderation
FR9803586 1998-03-24

Publications (2)

Publication Number Publication Date
DE69925326D1 true DE69925326D1 (de) 2005-06-23
DE69925326T2 DE69925326T2 (de) 2006-01-19

Family

ID=9524407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69925326T Expired - Lifetime DE69925326T2 (de) 1998-03-24 1999-03-22 CDMA-Empfänger mit paraleller Interferenzunterdrückung und -gewichtung

Country Status (5)

Country Link
US (1) US6414949B1 (de)
EP (1) EP0945996B1 (de)
CA (1) CA2266610C (de)
DE (1) DE69925326T2 (de)
FR (1) FR2776869B1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2779590B1 (fr) * 1998-06-03 2000-07-07 Commissariat Energie Atomique Recepteur pour systeme amrc
EP1073210B1 (de) * 1999-07-30 2007-03-14 Koninklijke Philips Electronics N.V. Vorrichtung zur Spreizspektrumdatenübertragung mit einem Datenempfänger
GB2362068B (en) * 2000-05-03 2004-08-18 Siemens Ag Channel estimator for a pipelined interference cancellation apparatus
US6745219B1 (en) * 2000-06-05 2004-06-01 Boris Zelkin Arithmetic unit using stochastic data processing
US7808937B2 (en) 2005-04-07 2010-10-05 Rambus, Inc. Variable interference cancellation technology for CDMA systems
US8761321B2 (en) 2005-04-07 2014-06-24 Iii Holdings 1, Llc Optimal feedback weighting for soft-decision cancellers
US7876810B2 (en) * 2005-04-07 2011-01-25 Rambus Inc. Soft weighted interference cancellation for CDMA systems
US8005128B1 (en) 2003-09-23 2011-08-23 Rambus Inc. Methods for estimation and interference cancellation for signal processing
US7715508B2 (en) * 2005-11-15 2010-05-11 Tensorcomm, Incorporated Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
FR2857101B1 (fr) * 2003-07-01 2007-01-05 Thales Sa Procede de rejection d'interferences perturbant la reception d'un signal de transmission et dispositif
US7522566B2 (en) * 2004-09-30 2009-04-21 Alcatel-Lucent Usa Inc. Computing optimal channel allocations using decomposition methods and related devices
US7826516B2 (en) * 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
US7711075B2 (en) 2005-11-15 2010-05-04 Tensorcomm Incorporated Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US7991088B2 (en) 2005-11-15 2011-08-02 Tommy Guess Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US7702048B2 (en) * 2005-11-15 2010-04-20 Tensorcomm, Incorporated Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US7623602B2 (en) * 2005-11-15 2009-11-24 Tensorcomm, Inc. Iterative interference canceller for wireless multiple-access systems employing closed loop transmit diversity
US20070110135A1 (en) * 2005-11-15 2007-05-17 Tommy Guess Iterative interference cancellation for MIMO-OFDM receivers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933930A (en) * 1988-10-31 1990-06-12 International Business Machines Corporation High speed switch as for an optical communication system
US5553062A (en) * 1993-04-22 1996-09-03 Interdigital Communication Corporation Spread spectrum CDMA interference canceler system and method
FI106898B (fi) * 1993-11-10 2001-04-30 Nokia Networks Oy Vastaanottomenetelmä ja CDMA-vastaanotin
FR2721466B1 (fr) * 1994-06-21 1996-07-26 Alcatel Mobile Comm France Signal de contrôle pour récepteurs, dispositif de synchronisation, dispositif d'égalisation, procédé de synchronisation et récepteurs correspondants.
JP3551333B2 (ja) * 1995-05-24 2004-08-04 ソニー株式会社 疑似雑音符号発生回路
US5805583A (en) * 1995-08-25 1998-09-08 Terayon Communication Systems Process for communicating multiple channels of digital data in distributed systems using synchronous code division multiple access
US5768269A (en) * 1995-08-25 1998-06-16 Terayon Corporation Apparatus and method for establishing frame synchronization in distributed digital data communication systems
EP0767543A3 (de) * 1995-10-06 2000-07-26 Siemens Aktiengesellschaft Kodemultiplexnachrichtenübertragung mit Interferenzunterdrückung
US5757791A (en) * 1996-04-18 1998-05-26 American Wireless Technology, Inc. Multistage linear receiver for DS-CDMA systems

Also Published As

Publication number Publication date
FR2776869B1 (fr) 2000-05-05
DE69925326T2 (de) 2006-01-19
EP0945996A1 (de) 1999-09-29
CA2266610A1 (fr) 1999-09-24
CA2266610C (fr) 2007-01-02
FR2776869A1 (fr) 1999-10-01
US6414949B1 (en) 2002-07-02
EP0945996B1 (de) 2005-05-18

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Legal Events

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