IT1308219B1 - Perfezionato sistema per comunicazioni satellitari comprendentemultiplatori di ingresso rf da una pluralita' di fasci locali ad un - Google Patents

Perfezionato sistema per comunicazioni satellitari comprendentemultiplatori di ingresso rf da una pluralita' di fasci locali ad un

Info

Publication number
IT1308219B1
IT1308219B1 IT1999RM000563A ITRM990563A IT1308219B1 IT 1308219 B1 IT1308219 B1 IT 1308219B1 IT 1999RM000563 A IT1999RM000563 A IT 1999RM000563A IT RM990563 A ITRM990563 A IT RM990563A IT 1308219 B1 IT1308219 B1 IT 1308219B1
Authority
IT
Italy
Prior art keywords
multiplators
input
improved system
satellite communications
communications including
Prior art date
Application number
IT1999RM000563A
Other languages
English (en)
Inventor
Eric G Butte
Randall D Tyner
Original Assignee
Loral Space Systems 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 Loral Space Systems Inc filed Critical Loral Space Systems Inc
Publication of ITRM990563A0 publication Critical patent/ITRM990563A0/it
Publication of ITRM990563A1 publication Critical patent/ITRM990563A1/it
Application granted granted Critical
Publication of IT1308219B1 publication Critical patent/IT1308219B1/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
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18515—Transmission equipment in satellites or space-based relays

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
IT1999RM000563A 1998-09-14 1999-09-10 Perfezionato sistema per comunicazioni satellitari comprendentemultiplatori di ingresso rf da una pluralita' di fasci locali ad un IT1308219B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15297798A 1998-09-14 1998-09-14

Publications (3)

Publication Number Publication Date
ITRM990563A0 ITRM990563A0 (it) 1999-09-10
ITRM990563A1 ITRM990563A1 (it) 2001-03-10
IT1308219B1 true IT1308219B1 (it) 2001-12-10

Family

ID=22545256

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999RM000563A IT1308219B1 (it) 1998-09-14 1999-09-10 Perfezionato sistema per comunicazioni satellitari comprendentemultiplatori di ingresso rf da una pluralita' di fasci locali ad un

Country Status (3)

Country Link
JP (1) JP2000156660A (it)
FR (1) FR2783377A1 (it)
IT (1) IT1308219B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1965511A1 (en) 2007-02-28 2008-09-03 Eutelsat SA Uplink frequency multiplexing
FR2922861B1 (fr) 2007-10-30 2009-11-20 Org Europeenne Telecommunications Par Satellite Eutelsat Procede d'optimisation de la charge utile d'un satellite de telecommunication multifaisceaux.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232321A (en) * 1978-11-24 1980-11-04 Bell Telephone Laboratories, Incorporated Multiple beam satellite antenna with preferred polarization distribution
ES2028922T3 (es) * 1987-03-18 1992-07-16 Siemens Aktiengesellschaft Dispositivo de antena direccional de microondas de dos espejos.
US4868886A (en) * 1988-06-14 1989-09-19 Communication Satellite Corporation Combined global/spot beam configuration for satellite communications
FR2674401B1 (fr) * 1991-03-22 1993-12-17 Alcatel Espace Installation de telecommunication par satellites apte a interesser plusieurs zones de couverture.
US5754139A (en) * 1996-10-30 1998-05-19 Motorola, Inc. Method and intelligent digital beam forming system responsive to traffic demand

Also Published As

Publication number Publication date
ITRM990563A1 (it) 2001-03-10
JP2000156660A (ja) 2000-06-06
FR2783377A1 (fr) 2000-03-17
ITRM990563A0 (it) 1999-09-10

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