BR8107843A - Processo e sistema de acesso a um satelite de telecomunicacoes com comutacao a bordo - Google Patents

Processo e sistema de acesso a um satelite de telecomunicacoes com comutacao a bordo

Info

Publication number
BR8107843A
BR8107843A BR8107843A BR8107843A BR8107843A BR 8107843 A BR8107843 A BR 8107843A BR 8107843 A BR8107843 A BR 8107843A BR 8107843 A BR8107843 A BR 8107843A BR 8107843 A BR8107843 A BR 8107843A
Authority
BR
Brazil
Prior art keywords
access
board switching
telecommunications satellite
telecommunications
satellite
Prior art date
Application number
BR8107843A
Other languages
English (en)
Inventor
Battista Alaria Gian
Roberto Preti
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of BR8107843A publication Critical patent/BR8107843A/pt

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
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
BR8107843A 1980-12-03 1981-12-02 Processo e sistema de acesso a um satelite de telecomunicacoes com comutacao a bordo BR8107843A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68840/80A IT1130545B (it) 1980-12-03 1980-12-03 Procedimento e sistema per l accesso ad un satellite per telecomunicazioni con communtazione a bordo

Publications (1)

Publication Number Publication Date
BR8107843A true BR8107843A (pt) 1982-09-08

Family

ID=11310706

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8107843A BR8107843A (pt) 1980-12-03 1981-12-02 Processo e sistema de acesso a um satelite de telecomunicacoes com comutacao a bordo

Country Status (9)

Country Link
US (1) US4480328A (pt)
EP (1) EP0053399B1 (pt)
JP (1) JPS57119529A (pt)
AU (1) AU544079B2 (pt)
BR (1) BR8107843A (pt)
CA (1) CA1169169A (pt)
DE (1) DE3174422D1 (pt)
IN (1) IN154447B (pt)
IT (1) IT1130545B (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683564A (en) * 1982-11-22 1987-07-28 Data Switch Corporation Matrix switch system
IT1161466B (it) * 1983-01-21 1987-03-18 Cselt Centro Studi Lab Telecom Apparecchiatura in banda base per stazioni di terra di un sistema di trasmissione via satellite con accesso a divisione di tempo
IT1207048B (it) * 1984-11-02 1989-05-17 Consiglio Nazionale Ricerche Sistema per telecomunicazioni via satellite con copertura multifascio ed assegnazione a gestione dinamica della capacita'trasmissiva.
US4675863A (en) 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4793813A (en) * 1985-10-15 1988-12-27 The Board Of Trustees Of The University Of Illinois Computer-based education system
US4730305A (en) * 1986-04-11 1988-03-08 American Telephone And Telegraph Company, At&T Bell Laboratories Fast assignment technique for use in a switching arrangement
IT1211458B (it) * 1987-11-04 1989-10-26 Selenia Spazio Spa Controllore della commutazione di bordo di un satellite del tipo con commutazione a bordo
IL91529A0 (en) * 1988-10-28 1990-04-29 Motorola Inc Satellite cellular telephone and data communication system
US5860136A (en) * 1989-06-16 1999-01-12 Fenner; Peter R. Method and apparatus for use of associated memory with large key spaces
DE69025311T2 (de) * 1989-08-25 1996-08-22 Nippon Telegraph & Telephone Regelungsverfahren eines funkkanalschalters
US5084869A (en) * 1990-01-31 1992-01-28 At&T Bell Laboratories Base station for mobile radio telecommunications systems
US5295140A (en) * 1991-03-28 1994-03-15 Motorola, Inc. Method for multi-purpose utilization of resources in a communication system
US5278833A (en) * 1991-03-28 1994-01-11 Motorola, Inc. Method for providing reserved communication access using multiple random access resources
US5546383A (en) 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US5835487A (en) 1995-12-08 1998-11-10 Worldspace International Network, Inc. Satellite direct radio broadcast system
CA2165875C (en) * 1995-12-21 2001-03-13 Gary Beauchamp Intersatellite communications systems
FR2743237B1 (fr) * 1995-12-29 1998-02-27 Christophe Desseignes Systeme de radiocommunications avec interface d'acces au reseau de telecommunications
US6201798B1 (en) 1997-11-14 2001-03-13 Worldspace Management Corporation Signaling protocol for satellite direct radio broadcast system
EA002178B1 (ru) * 1997-11-14 2002-02-28 Уорлдспэйс Менеджмент Корпорейшн Протокол сигнализации для спутниковой системы прямого радиовещания
US6185265B1 (en) 1998-04-07 2001-02-06 Worldspace Management Corp. System for time division multiplexing broadcast channels with R-1/2 or R-3/4 convolutional coding for satellite transmission via on-board baseband processing payload or transparent payload
US7031653B1 (en) * 2000-03-29 2006-04-18 Hughes Electronics Corporation Switch matrix for satellite payloads with multiple uplink beams and on-board signal processing
FR2836731B1 (fr) * 2002-03-01 2004-12-03 Abdulai Danso Procede pour la realisation et la mise en oeuvre d'un systeme de communication multifonctionnel et systeme obtenu conformement audit procede
US11973574B1 (en) * 2017-06-08 2024-04-30 David Hershberg Systems and methods for private communications networks

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806879A (en) * 1971-08-11 1974-04-23 Communications Satellite Corp Tdma satellite communication system with multi-pcm frames per tdma frame
DE2164016C3 (de) * 1971-12-22 1978-09-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart Satelliten-Nachrichtenübertragungssystem mit Vielfachzugriff im Zeitmultiplex
US4004098A (en) * 1973-12-06 1977-01-18 Communications Satellite Corporation (Comsat) Satellite on-board switching system with satellite-to-satellite link
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
FR2440672A1 (fr) * 1978-10-30 1980-05-30 Cit Alcatel Commutateur spatial multiplex
DE3164641D1 (en) * 1980-02-29 1984-08-16 Ibm Time division multiple access satellite communications controller

Also Published As

Publication number Publication date
AU544079B2 (en) 1985-05-16
AU7763981A (en) 1982-06-10
US4480328A (en) 1984-10-30
CA1169169A (en) 1984-06-12
DE3174422D1 (en) 1986-05-22
IN154447B (pt) 1984-10-27
IT8068840A0 (it) 1980-12-03
EP0053399A1 (en) 1982-06-09
EP0053399B1 (en) 1986-04-16
JPS57119529A (en) 1982-07-26
IT1130545B (it) 1986-06-18

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