DE3882922T2 - Verwürfelung in einem digitalen Uebertragungsnetzwerk. - Google Patents

Verwürfelung in einem digitalen Uebertragungsnetzwerk.

Info

Publication number
DE3882922T2
DE3882922T2 DE88311254T DE3882922T DE3882922T2 DE 3882922 T2 DE3882922 T2 DE 3882922T2 DE 88311254 T DE88311254 T DE 88311254T DE 3882922 T DE3882922 T DE 3882922T DE 3882922 T2 DE3882922 T2 DE 3882922T2
Authority
DE
Germany
Prior art keywords
outstations
scrambling
central station
frames
transmission network
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
DE88311254T
Other languages
English (en)
Other versions
DE3882922D1 (de
Inventor
John William Ballance
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 Telecommunications PLC filed Critical British Telecommunications PLC
Publication of DE3882922D1 publication Critical patent/DE3882922D1/de
Application granted granted Critical
Publication of DE3882922T2 publication Critical patent/DE3882922T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Time-Division Multiplex Systems (AREA)
  • Small-Scale Networks (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)
  • Holo Graphy (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Communication Control (AREA)
  • Prepayment Telephone Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE88311254T 1987-11-27 1988-11-28 Verwürfelung in einem digitalen Uebertragungsnetzwerk. Expired - Lifetime DE3882922T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878727846A GB8727846D0 (en) 1987-11-27 1987-11-27 Optical communications network

Publications (2)

Publication Number Publication Date
DE3882922D1 DE3882922D1 (de) 1993-09-09
DE3882922T2 true DE3882922T2 (de) 1993-11-25

Family

ID=10627657

Family Applications (4)

Application Number Title Priority Date Filing Date
DE88311254T Expired - Lifetime DE3882922T2 (de) 1987-11-27 1988-11-28 Verwürfelung in einem digitalen Uebertragungsnetzwerk.
DE88311255T Expired - Lifetime DE3882207T2 (de) 1987-11-27 1988-11-28 Synchronisation eines digitalen Uebertragungsnetzwerks.
DE88311259T Expired - Lifetime DE3883716T2 (de) 1987-11-27 1988-11-28 Fehlerlokalisierung in optischen Übertragungsnetzwerken.
DE88311256T Expired - Lifetime DE3882495T2 (de) 1987-11-27 1988-11-28 Stationen für ein digitales Uebertragungsnetzwerk.

Family Applications After (3)

Application Number Title Priority Date Filing Date
DE88311255T Expired - Lifetime DE3882207T2 (de) 1987-11-27 1988-11-28 Synchronisation eines digitalen Uebertragungsnetzwerks.
DE88311259T Expired - Lifetime DE3883716T2 (de) 1987-11-27 1988-11-28 Fehlerlokalisierung in optischen Übertragungsnetzwerken.
DE88311256T Expired - Lifetime DE3882495T2 (de) 1987-11-27 1988-11-28 Stationen für ein digitales Uebertragungsnetzwerk.

Country Status (13)

Country Link
US (4) US5086470A (de)
EP (4) EP0318335B1 (de)
JP (4) JPH0821959B2 (de)
AT (4) ATE94008T1 (de)
CA (4) CA1327413C (de)
DE (4) DE3882922T2 (de)
DK (4) DK130190A (de)
ES (4) ES2043850T3 (de)
FI (4) FI108903B (de)
GB (1) GB8727846D0 (de)
HK (4) HK130696A (de)
NO (4) NO302728B1 (de)
WO (4) WO1989005077A1 (de)

Families Citing this family (349)

* Cited by examiner, † Cited by third party
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EP0318333B1 (de) 1993-07-21
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EP0318335A1 (de) 1989-05-31
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US5063595A (en) 1991-11-05
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US5086470A (en) 1992-02-04
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