FR2890805B1 - Procede de modulation avec insertion de symboles semi-pilotes - Google Patents

Procede de modulation avec insertion de symboles semi-pilotes

Info

Publication number
FR2890805B1
FR2890805B1 FR0509219A FR0509219A FR2890805B1 FR 2890805 B1 FR2890805 B1 FR 2890805B1 FR 0509219 A FR0509219 A FR 0509219A FR 0509219 A FR0509219 A FR 0509219A FR 2890805 B1 FR2890805 B1 FR 2890805B1
Authority
FR
France
Prior art keywords
semi
modulation method
pilot symbols
pilot
symbols
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.)
Active
Application number
FR0509219A
Other languages
English (en)
Other versions
FR2890805A1 (fr
Inventor
Jacques Eudes
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.)
Thales SA
Original Assignee
Thales 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 Thales SA filed Critical Thales SA
Priority to FR0509219A priority Critical patent/FR2890805B1/fr
Priority to US12/066,141 priority patent/US7692485B2/en
Priority to EP06778424A priority patent/EP1941686A2/fr
Priority to PCT/EP2006/066233 priority patent/WO2007028835A2/fr
Publication of FR2890805A1 publication Critical patent/FR2890805A1/fr
Application granted granted Critical
Publication of FR2890805B1 publication Critical patent/FR2890805B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • 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
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3455—Modifications of the signal space to allow the transmission of additional information in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR0509219A 2005-09-09 2005-09-09 Procede de modulation avec insertion de symboles semi-pilotes Active FR2890805B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0509219A FR2890805B1 (fr) 2005-09-09 2005-09-09 Procede de modulation avec insertion de symboles semi-pilotes
US12/066,141 US7692485B2 (en) 2005-09-09 2006-09-11 Modulation method with insertion of semi-pilot symbols
EP06778424A EP1941686A2 (fr) 2005-09-09 2006-09-11 Procede de modulation avec insertion de symboles semi-pilotes
PCT/EP2006/066233 WO2007028835A2 (fr) 2005-09-09 2006-09-11 Procede de modulation avec insertion de symboles semi-pilotes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0509219A FR2890805B1 (fr) 2005-09-09 2005-09-09 Procede de modulation avec insertion de symboles semi-pilotes

Publications (2)

Publication Number Publication Date
FR2890805A1 FR2890805A1 (fr) 2007-03-16
FR2890805B1 true FR2890805B1 (fr) 2008-05-02

Family

ID=36026520

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0509219A Active FR2890805B1 (fr) 2005-09-09 2005-09-09 Procede de modulation avec insertion de symboles semi-pilotes

Country Status (4)

Country Link
US (1) US7692485B2 (fr)
EP (1) EP1941686A2 (fr)
FR (1) FR2890805B1 (fr)
WO (1) WO2007028835A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2890805B1 (fr) 2005-09-09 2008-05-02 Thales Sa Procede de modulation avec insertion de symboles semi-pilotes
EP2840750B1 (fr) * 2013-08-22 2020-05-27 Alcatel Lucent Schéma de symbole pilote non déterministe
KR102000398B1 (ko) * 2018-05-23 2019-10-01 연세대학교 산학협력단 코히어런트 광 ofdm 통신을 위한 송신기, 위상보상기, 송신 방법 및 위상보상 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7145862B2 (en) * 2003-04-08 2006-12-05 Motorola, Inc. Method and apparatus for transmission and reception of data
US7830782B2 (en) * 2004-05-10 2010-11-09 Qualcomm Incorporated Method of using guard tones in OFDM systems for increasing robustness
FR2890805B1 (fr) * 2005-09-09 2008-05-02 Thales Sa Procede de modulation avec insertion de symboles semi-pilotes

Also Published As

Publication number Publication date
FR2890805A1 (fr) 2007-03-16
US7692485B2 (en) 2010-04-06
WO2007028835A3 (fr) 2007-08-09
WO2007028835A2 (fr) 2007-03-15
EP1941686A2 (fr) 2008-07-09
US20080309403A1 (en) 2008-12-18

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