IT973073B - Disposizione circuitale per la sincronizzazione dei fasci di impulsi nella trasmissione di informazioni secondo il proce dimento ad impulsi scaglionati nel tempo attraverso satelliti di telecomunicazione con piu antenne direttive a fascio fili forme - Google Patents

Disposizione circuitale per la sincronizzazione dei fasci di impulsi nella trasmissione di informazioni secondo il proce dimento ad impulsi scaglionati nel tempo attraverso satelliti di telecomunicazione con piu antenne direttive a fascio fili forme

Info

Publication number
IT973073B
IT973073B IT33766/72A IT3376672A IT973073B IT 973073 B IT973073 B IT 973073B IT 33766/72 A IT33766/72 A IT 33766/72A IT 3376672 A IT3376672 A IT 3376672A IT 973073 B IT973073 B IT 973073B
Authority
IT
Italy
Prior art keywords
stagled
dimento
proce
pulses
synchronization
Prior art date
Application number
IT33766/72A
Other languages
English (en)
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Application granted granted Critical
Publication of IT973073B publication Critical patent/IT973073B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18532—Arrangements for managing transmission, i.e. for transporting data or a signalling message
    • H04B7/18534—Arrangements for managing transmission, i.e. for transporting data or a signalling message for enhancing link reliablility, e.g. satellites diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • H04B7/2125—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
IT33766/72A 1972-01-26 1972-12-28 Disposizione circuitale per la sincronizzazione dei fasci di impulsi nella trasmissione di informazioni secondo il proce dimento ad impulsi scaglionati nel tempo attraverso satelliti di telecomunicazione con piu antenne direttive a fascio fili forme IT973073B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2203575A DE2203575C3 (de) 1972-01-26 1972-01-26 Schaltungsanordnung zur Synchronisation der Impulsbündel bei Nachrichtenübertragung nach dem Zeitmultiplexverfahren über Fernmeldesatelliten mit mehreren schmalbündelnden Richtantennen

Publications (1)

Publication Number Publication Date
IT973073B true IT973073B (it) 1974-06-10

Family

ID=5834075

Family Applications (1)

Application Number Title Priority Date Filing Date
IT33766/72A IT973073B (it) 1972-01-26 1972-12-28 Disposizione circuitale per la sincronizzazione dei fasci di impulsi nella trasmissione di informazioni secondo il proce dimento ad impulsi scaglionati nel tempo attraverso satelliti di telecomunicazione con piu antenne direttive a fascio fili forme

Country Status (6)

Country Link
US (1) US3858007A (it)
JP (1) JPS4884519A (it)
CA (1) CA1001784A (it)
DE (1) DE2203575C3 (it)
FR (1) FR2169047B1 (it)
IT (1) IT973073B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS577490B2 (it) * 1974-02-26 1982-02-10
IT1037853B (it) * 1974-05-21 1979-11-20 Licentia Gmbh Procedimento e disposizione dei circuiti per la sincronizzazione di quadri di impulsi nella trasmissione delle informazioni secondo il sistema multiplex a divisione di tempo attraverso satelliti di telecomunicazione
US3982075A (en) * 1974-09-09 1976-09-21 The Post Office Synchronization system for time division multiple access relay communications system
DE2615198C3 (de) * 1976-04-08 1979-08-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Nachrichtenübertragungssystem zum zweiseitig gerichteten Nachrichtenverkehr zwischen einer Hauptstation und mehreren Unterstationen über einen Satelliten
US4061974A (en) * 1976-06-21 1977-12-06 Nasa Ultra stable frequency distribution system
US4105973A (en) * 1976-10-15 1978-08-08 Bell Telephone Laboratories, Incorporated Multibeam, digitally modulated, time division, switched satellite communications system
US4587661A (en) * 1983-03-04 1986-05-06 Rca Corporation Apparatus for synchronizing spread spectrum transmissions from small earth stations used for satellite transmission
US4639937A (en) * 1983-12-07 1987-01-27 Harris Corporation HF avalanche relay communication technique
US4630267A (en) * 1983-12-23 1986-12-16 International Business Machines Corporation Programmable timing and synchronization circuit for a TDMA communications controller
DE3727235A1 (de) * 1987-08-14 1989-02-23 Siemens Ag Einrichtung zur zeitmultiplexen uebertragung von signalen
GB2293725B (en) 1994-07-22 1999-02-10 Int Maritime Satellite Organiz Satellite communication method and apparatus
US5659545A (en) * 1994-11-15 1997-08-19 Motorola, Inc. Apparatus for mobile unit acquisition in a satellite communication system and method therefor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678387A (en) * 1970-08-05 1972-07-18 Us Air Force Satellite communications system

Also Published As

Publication number Publication date
CA1001784A (en) 1976-12-14
FR2169047A1 (it) 1973-09-07
DE2203575C3 (de) 1975-11-27
DE2203575A1 (de) 1973-08-09
JPS4884519A (it) 1973-11-09
DE2203575B2 (de) 1975-04-10
US3858007A (en) 1974-12-31
FR2169047B1 (it) 1977-02-25

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