FR2865872B1 - Procede de reception multi modulation s'appliquant a la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale - Google Patents

Procede de reception multi modulation s'appliquant a la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale

Info

Publication number
FR2865872B1
FR2865872B1 FR0400926A FR0400926A FR2865872B1 FR 2865872 B1 FR2865872 B1 FR 2865872B1 FR 0400926 A FR0400926 A FR 0400926A FR 0400926 A FR0400926 A FR 0400926A FR 2865872 B1 FR2865872 B1 FR 2865872B1
Authority
FR
France
Prior art keywords
demodulation
signals
reception method
including symbols
modulation reception
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 - Fee Related
Application number
FR0400926A
Other languages
English (en)
Other versions
FR2865872A1 (fr
Inventor
Alexandre Rouxel
Damien Pouessel
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.)
Sierra Wireless SA
Original Assignee
Wavecom SA
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 Wavecom SA filed Critical Wavecom SA
Priority to FR0400926A priority Critical patent/FR2865872B1/fr
Priority to PCT/FR2004/003378 priority patent/WO2005083964A1/fr
Priority to EP04817591A priority patent/EP1766914A1/fr
Priority to US10/587,908 priority patent/US20080130796A1/en
Publication of FR2865872A1 publication Critical patent/FR2865872A1/fr
Application granted granted Critical
Publication of FR2865872B1 publication Critical patent/FR2865872B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems
    • 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
    • H04L25/03312—Arrangements specific to the provision of output signals
    • H04L25/03318—Provision of soft decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR0400926A 2004-01-30 2004-01-30 Procede de reception multi modulation s'appliquant a la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale Expired - Fee Related FR2865872B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0400926A FR2865872B1 (fr) 2004-01-30 2004-01-30 Procede de reception multi modulation s'appliquant a la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale
PCT/FR2004/003378 WO2005083964A1 (fr) 2004-01-30 2004-12-23 Procede de reception multi modulation s’appliquant à la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale
EP04817591A EP1766914A1 (fr) 2004-01-30 2004-12-23 Procede de reception multi modulation s'appliquant a la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale
US10/587,908 US20080130796A1 (en) 2004-01-30 2004-12-23 Multi-Modulation Reception Method Based On Demodulation Of Signals From Modulations Whose Symbols Are Included In A Main Constellation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0400926A FR2865872B1 (fr) 2004-01-30 2004-01-30 Procede de reception multi modulation s'appliquant a la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale

Publications (2)

Publication Number Publication Date
FR2865872A1 FR2865872A1 (fr) 2005-08-05
FR2865872B1 true FR2865872B1 (fr) 2006-04-28

Family

ID=34746348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0400926A Expired - Fee Related FR2865872B1 (fr) 2004-01-30 2004-01-30 Procede de reception multi modulation s'appliquant a la demodulation de signaux issus de modulations dont les symboles sont inclus dans une constellation principale

Country Status (4)

Country Link
US (1) US20080130796A1 (fr)
EP (1) EP1766914A1 (fr)
FR (1) FR2865872B1 (fr)
WO (1) WO2005083964A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7315576B1 (en) * 2002-02-05 2008-01-01 Qualcomm Incorporated System for soft symbol decoding with MIMO log-map detection
KR100783807B1 (ko) * 2006-05-15 2007-12-10 삼성전자주식회사 디씨엠 디맵핑 방법 및 이를 이용한 디씨엠 디맵퍼
US20070297533A1 (en) * 2006-06-26 2007-12-27 Interdigital Technology Corporation Apparatus and methods for implementing hierarchical modulation and demodulation for geran evolution
US7720104B2 (en) * 2008-07-08 2010-05-18 Texas Instruments Incorporated Method to improve sensitivity of decoding time of a global positioning system receiver at low signal to noise ratio

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ198844A (en) * 1980-11-14 1984-05-31 Plessey Overseas Digital information transmission: two dimensional code
FR2697395B1 (fr) * 1992-10-22 1994-12-30 France Telecom Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisés en télévision numérique.
US6185259B1 (en) * 1996-06-12 2001-02-06 Ericsson Inc. Transmitter/receiver for GMSK and offset-QAM
US6078626A (en) * 1997-09-24 2000-06-20 Ericsson Inc. Methods and systems for communicating information using separable modulation constellations
US6977972B1 (en) * 2000-07-12 2005-12-20 Sharp Laboratories Of America, Inc. Method of hybrid soft/hard decision demodulation of signals with multilevel modulation
US7076000B2 (en) * 2001-01-18 2006-07-11 Motorola, Inc. Soft-decision metric generation for higher order modulation
FR2836764B1 (fr) * 2002-03-04 2004-07-23 Wavecom Sa Procede de traitement d'un signal mettant en oeuvre un algorithme de type map approche et applications correspondantes
US6966024B2 (en) * 2002-12-31 2005-11-15 Motorola, Inc. Method and device for adaptive quantization of soft bits
US7418051B2 (en) * 2003-11-26 2008-08-26 Lucent Technologies Inc. Nonsystematic repeat-accumulate codes for encoding and decoding information in a communication system

Also Published As

Publication number Publication date
WO2005083964A1 (fr) 2005-09-09
EP1766914A1 (fr) 2007-03-28
FR2865872A1 (fr) 2005-08-05
US20080130796A1 (en) 2008-06-05

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Year of fee payment: 13

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Effective date: 20170929