CA2010478A1 - Signal d'identification a spectre etale pour systeme de communication - Google Patents

Signal d'identification a spectre etale pour systeme de communication

Info

Publication number
CA2010478A1
CA2010478A1 CA2010478A CA2010478A CA2010478A1 CA 2010478 A1 CA2010478 A1 CA 2010478A1 CA 2010478 A CA2010478 A CA 2010478A CA 2010478 A CA2010478 A CA 2010478A CA 2010478 A1 CA2010478 A1 CA 2010478A1
Authority
CA
Canada
Prior art keywords
spread
identification signal
communications systems
signal
communications
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.)
Granted
Application number
CA2010478A
Other languages
English (en)
Other versions
CA2010478C (fr
Inventor
Jean-Jacques Werner
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2010478A1 publication Critical patent/CA2010478A1/fr
Application granted granted Critical
Publication of CA2010478C publication Critical patent/CA2010478C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CA002010478A 1989-03-31 1990-02-20 Signal d'identification a spectre etale pour systeme de communication Expired - Fee Related CA2010478C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/331,933 US4943973A (en) 1989-03-31 1989-03-31 Spread-spectrum identification signal for communications system
US331,933 1989-03-31

Publications (2)

Publication Number Publication Date
CA2010478A1 true CA2010478A1 (fr) 1990-09-30
CA2010478C CA2010478C (fr) 1994-08-02

Family

ID=23295977

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002010478A Expired - Fee Related CA2010478C (fr) 1989-03-31 1990-02-20 Signal d'identification a spectre etale pour systeme de communication

Country Status (5)

Country Link
US (1) US4943973A (fr)
EP (1) EP0390417B1 (fr)
JP (1) JPH02288522A (fr)
CA (1) CA2010478C (fr)
DE (1) DE69020606T2 (fr)

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Also Published As

Publication number Publication date
EP0390417A3 (fr) 1992-10-14
CA2010478C (fr) 1994-08-02
EP0390417B1 (fr) 1995-07-05
JPH02288522A (ja) 1990-11-28
EP0390417A2 (fr) 1990-10-03
DE69020606D1 (de) 1995-08-10
US4943973A (en) 1990-07-24
DE69020606T2 (de) 1996-03-21

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Effective date: 20090220