NO902314L - Optisk kommunikasjonsnett. - Google Patents

Optisk kommunikasjonsnett.

Info

Publication number
NO902314L
NO902314L NO90902314A NO902314A NO902314L NO 902314 L NO902314 L NO 902314L NO 90902314 A NO90902314 A NO 90902314A NO 902314 A NO902314 A NO 902314A NO 902314 L NO902314 L NO 902314L
Authority
NO
Norway
Prior art keywords
outstations
central station
frames
communication network
scrambling
Prior art date
Application number
NO90902314A
Other languages
English (en)
Other versions
NO902314D0 (no
NO302728B1 (no
Inventor
John William Ballance
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of NO902314D0 publication Critical patent/NO902314D0/no
Publication of NO902314L publication Critical patent/NO902314L/no
Publication of NO302728B1 publication Critical patent/NO302728B1/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • 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
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Computing Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Optical Communication System (AREA)
  • Glass Compositions (AREA)
  • Small-Scale Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Prepayment Telephone Systems (AREA)
  • Communication Control (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
NO902314A 1987-11-27 1990-05-25 Optisk kommunikasjonsnett NO302728B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878727846A GB8727846D0 (en) 1987-11-27 1987-11-27 Optical communications network
PCT/GB1988/001049 WO1989005070A1 (en) 1987-11-27 1988-11-28 Optical communications network

Publications (3)

Publication Number Publication Date
NO902314D0 NO902314D0 (no) 1990-05-25
NO902314L true NO902314L (no) 1990-07-25
NO302728B1 NO302728B1 (no) 1998-04-14

Family

ID=10627657

Family Applications (4)

Application Number Title Priority Date Filing Date
NO902317A NO302499B1 (no) 1987-11-27 1990-05-25 Optisk kommunikasjonsnett
NO902313A NO302498B1 (no) 1987-11-27 1990-05-25 Optisk kommunikasjonsnett
NO902315A NO302500B1 (no) 1987-11-27 1990-05-25 Stasjoner for et digitalt kommunikasjonsnett
NO902314A NO302728B1 (no) 1987-11-27 1990-05-25 Optisk kommunikasjonsnett

Family Applications Before (3)

Application Number Title Priority Date Filing Date
NO902317A NO302499B1 (no) 1987-11-27 1990-05-25 Optisk kommunikasjonsnett
NO902313A NO302498B1 (no) 1987-11-27 1990-05-25 Optisk kommunikasjonsnett
NO902315A NO302500B1 (no) 1987-11-27 1990-05-25 Stasjoner for et digitalt kommunikasjonsnett

Country Status (13)

Country Link
US (4) US5173899A (no)
EP (4) EP0318333B1 (no)
JP (4) JPH0716171B2 (no)
AT (4) ATE91362T1 (no)
CA (4) CA1328130C (no)
DE (4) DE3882495T2 (no)
DK (4) DK129990D0 (no)
ES (4) ES2043848T3 (no)
FI (4) FI108903B (no)
GB (1) GB8727846D0 (no)
HK (4) HK130696A (no)
NO (4) NO302499B1 (no)
WO (4) WO1989005078A1 (no)

Families Citing this family (351)

* Cited by examiner, † Cited by third party
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CA1327413C (en) 1994-03-01
FI107213B (fi) 2001-06-15
WO1989005078A1 (en) 1989-06-01
EP0318332A1 (en) 1989-05-31
DE3882207D1 (de) 1993-08-12
ATE91834T1 (de) 1993-08-15
FI902618A0 (fi) 1990-05-25
NO902313L (no) 1990-07-25
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US5063595A (en) 1991-11-05
JPH03502033A (ja) 1991-05-09
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WO1989005077A1 (en) 1989-06-01
HK134296A (en) 1996-08-02
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US5173899A (en) 1992-12-22
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NO302498B1 (no) 1998-03-09
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JPH03502991A (ja) 1991-07-04
CA1328130C (en) 1994-03-29
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DK130190A (da) 1990-05-25
CA1337996C (en) 1996-01-23
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DE3882922D1 (de) 1993-09-09
CA1301252C (en) 1992-05-19
FI108903B (fi) 2002-04-15
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HK134696A (en) 1996-08-02

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