CA2086295C - Method of coherent modulation and demodulation for hf data transmission at high bit rate - Google Patents

Method of coherent modulation and demodulation for hf data transmission at high bit rate Download PDF

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Publication number
CA2086295C
CA2086295C CA002086295A CA2086295A CA2086295C CA 2086295 C CA2086295 C CA 2086295C CA 002086295 A CA002086295 A CA 002086295A CA 2086295 A CA2086295 A CA 2086295A CA 2086295 C CA2086295 C CA 2086295C
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CA
Canada
Prior art keywords
frame
symbol
channel
frames
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.)
Expired - Lifetime
Application number
CA002086295A
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English (en)
French (fr)
Other versions
CA2086295A1 (en
Inventor
Didier Pirez
Denis Gombault
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
Publication of CA2086295A1 publication Critical patent/CA2086295A1/en
Application granted granted Critical
Publication of CA2086295C publication Critical patent/CA2086295C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0214—Channel estimation of impulse response of a single coefficient
    • 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
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • H04L25/0234—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals by non-linear interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA002086295A 1991-12-26 1992-12-24 Method of coherent modulation and demodulation for hf data transmission at high bit rate Expired - Lifetime CA2086295C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9116165A FR2685839A1 (fr) 1991-12-26 1991-12-26 Procede de modulation et de demodulation coherent pour la transmission de donnees haut debit en hf.
FR9116165 1991-12-26

Publications (2)

Publication Number Publication Date
CA2086295A1 CA2086295A1 (en) 1993-06-27
CA2086295C true CA2086295C (en) 2003-07-22

Family

ID=9420521

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002086295A Expired - Lifetime CA2086295C (en) 1991-12-26 1992-12-24 Method of coherent modulation and demodulation for hf data transmission at high bit rate

Country Status (6)

Country Link
US (1) US5572548A (Sortimente)
EP (1) EP0549445B1 (Sortimente)
CA (1) CA2086295C (Sortimente)
DE (1) DE69224278T2 (Sortimente)
ES (1) ES2111624T3 (Sortimente)
FR (1) FR2685839A1 (Sortimente)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226337B1 (en) 1993-09-10 2001-05-01 Deutsche Thomson-Brandt Gmbh Method for the transmission of reference signals in an OFDM system
NL9400548A (nl) * 1994-04-07 1995-11-01 Nederland Ptt Breedband transmissie systeem.
FR2757334B1 (fr) * 1996-12-13 1999-03-12 Thomson Csf Procede de transmission ou de radiodiffusion numerique
CH691717A5 (de) * 1997-03-08 2001-09-14 Comet Technik Ag Kondensator mit kaltfliessgepressten Elektroden.
US6963570B1 (en) * 1997-07-15 2005-11-08 Comsat Corporation Method and apparatus for adaptive loss-less compression of cell/packet headers
DE19857677B4 (de) * 1998-12-14 2008-04-24 Siemens Ag Verfahren und Anordnung zur Kodierung von Symbolen für eine Übertragung über eine Funkschnittstelle eines Funk-Kommunikationssystems
US8343186B2 (en) 2004-04-06 2013-01-01 Arthrex, Inc. Fully threaded suture anchor with transverse anchor pin
FR2805689B1 (fr) 2000-02-29 2003-07-04 Thomson Csf Procede et dispositif d'estimation d'un canal de propagation
FR2813726B1 (fr) * 2000-09-01 2006-06-23 Thomson Csf Procede et dispositif pour demoduler des signaux provenant de multi-utilisateurs
FR2813727B1 (fr) * 2000-09-01 2002-11-29 Thomson Csf Procede et dispositif pour ordonner des signaux provenant de multi-utilisateurs
FR2829642B1 (fr) * 2001-09-12 2004-01-16 Eads Defence & Security Ntwk Signal multiporteuses, procede de poursuite d'un canal de transmission a partir d'un tel signal et dispositif pour sa mise en oeuvre
US6901550B2 (en) * 2001-10-17 2005-05-31 Actelis Networks Inc. Two-dimensional interleaving in a modem pool environment
JP4338532B2 (ja) * 2003-02-21 2009-10-07 富士通株式会社 通信装置
US7599453B2 (en) * 2005-04-21 2009-10-06 Telefonaktiebolaget L M Ericsson (Publ) Doppler spread estimation for OFDM systems
JP2008537415A (ja) * 2005-04-21 2008-09-11 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Ｏｆｄｍシステムにおける初期パラメータ推定

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383316A (en) * 1980-04-14 1983-05-10 Bell Telephone Laboratories, Incorporated Apparatus for and method of collating partitioned time disordered synchronous data streams
US4881245A (en) * 1983-07-01 1989-11-14 Harris Corporation Improved signalling method and apparatus
US4881241A (en) * 1988-02-24 1989-11-14 Centre National D'etudes Des Telecommunications Method and installation for digital communication, particularly between and toward moving vehicles
US5191576A (en) * 1988-11-18 1993-03-02 L'Etat Francais and Telediffusion de France S.A. Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization
FR2658017B1 (fr) * 1990-02-06 1992-06-05 France Etat Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et aide a l'acquisition de la commande automatique de frequence, et recepteur correspondant.
US5357502A (en) * 1990-02-06 1994-10-18 France Telecom And Telediffusion De France Sa Device for the reception of digital data time frequency interlacing, notably for radio broadcasting at high bit rate towards mobile receivers with nyquist temporal window
FR2658016B1 (fr) * 1990-02-06 1994-01-21 Etat Francais Cnet Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant.
AU8185591A (en) * 1990-06-12 1992-01-07 Motorola, Inc. Quadrature amplitude modulation synchronization method
US5170413A (en) * 1990-12-24 1992-12-08 Motorola, Inc. Control strategy for reuse system assignments and handoff
US5243629A (en) * 1991-09-03 1993-09-07 At&T Bell Laboratories Multi-subcarrier modulation for hdtv transmission

Also Published As

Publication number Publication date
ES2111624T3 (es) 1998-03-16
EP0549445A1 (fr) 1993-06-30
FR2685839A1 (fr) 1993-07-02
FR2685839B1 (Sortimente) 1995-01-27
DE69224278T2 (de) 1998-05-14
US5572548A (en) 1996-11-05
EP0549445B1 (fr) 1998-01-28
DE69224278D1 (de) 1998-03-05
CA2086295A1 (en) 1993-06-27

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Effective date: 20121224