FR2756131B1 - Procede de radiotransmission simultanee de donnees numeriques entre plusieurs postes d'abonnes et une station de base - Google Patents

Procede de radiotransmission simultanee de donnees numeriques entre plusieurs postes d'abonnes et une station de base

Info

Publication number
FR2756131B1
FR2756131B1 FR9714422A FR9714422A FR2756131B1 FR 2756131 B1 FR2756131 B1 FR 2756131B1 FR 9714422 A FR9714422 A FR 9714422A FR 9714422 A FR9714422 A FR 9714422A FR 2756131 B1 FR2756131 B1 FR 2756131B1
Authority
FR
France
Prior art keywords
base station
digital data
radio transmission
multiple subscribers
simultaneous radio
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
FR9714422A
Other languages
English (en)
Other versions
FR2756131A1 (fr
Inventor
Stefan Kaiser
Khaled Fazel
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.)
Bayerische Motoren Werke AG
Original Assignee
Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
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 Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR filed Critical Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Publication of FR2756131A1 publication Critical patent/FR2756131A1/fr
Application granted granted Critical
Publication of FR2756131B1 publication Critical patent/FR2756131B1/fr
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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
FR9714422A 1996-11-19 1997-11-18 Procede de radiotransmission simultanee de donnees numeriques entre plusieurs postes d'abonnes et une station de base Expired - Lifetime FR2756131B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19647833A DE19647833B4 (de) 1996-11-19 1996-11-19 Verfahren zur gleichzeitigen Funkübertragung digitaler Daten zwischen mehreren Teilnehmerstationen und einer Basisstation

Publications (2)

Publication Number Publication Date
FR2756131A1 FR2756131A1 (fr) 1998-05-22
FR2756131B1 true FR2756131B1 (fr) 2001-06-08

Family

ID=7812123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9714422A Expired - Lifetime FR2756131B1 (fr) 1996-11-19 1997-11-18 Procede de radiotransmission simultanee de donnees numeriques entre plusieurs postes d'abonnes et une station de base

Country Status (4)

Country Link
US (1) US6188717B1 (fr)
DE (1) DE19647833B4 (fr)
FR (1) FR2756131B1 (fr)
GB (1) GB2319709B (fr)

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DE19647833A1 (de) 1998-05-20
US6188717B1 (en) 2001-02-13

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