IT1149429B - Impianto di comunicazione a satelliti con fasci incanalati in frequenza - Google Patents

Impianto di comunicazione a satelliti con fasci incanalati in frequenza

Info

Publication number
IT1149429B
IT1149429B IT19048/82A IT1904882A IT1149429B IT 1149429 B IT1149429 B IT 1149429B IT 19048/82 A IT19048/82 A IT 19048/82A IT 1904882 A IT1904882 A IT 1904882A IT 1149429 B IT1149429 B IT 1149429B
Authority
IT
Italy
Prior art keywords
satellites
frequency
communication system
banners
attached
Prior art date
Application number
IT19048/82A
Other languages
English (en)
Other versions
IT8219048A0 (it
Inventor
Anthony Acampora
Douglas Otto Reudink
Yu Shuan Yeh
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of IT8219048A0 publication Critical patent/IT8219048A0/it
Application granted granted Critical
Publication of IT1149429B publication Critical patent/IT1149429B/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/204Multiple access
    • H04B7/2045SS-FDMA, FDMA satellite switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
IT19048/82A 1981-01-12 1982-01-11 Impianto di comunicazione a satelliti con fasci incanalati in frequenza IT1149429B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/224,006 US4425639A (en) 1981-01-12 1981-01-12 Satellite communications system with frequency channelized beams

Publications (2)

Publication Number Publication Date
IT8219048A0 IT8219048A0 (it) 1982-01-11
IT1149429B true IT1149429B (it) 1986-12-03

Family

ID=22838896

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19048/82A IT1149429B (it) 1981-01-12 1982-01-11 Impianto di comunicazione a satelliti con fasci incanalati in frequenza

Country Status (5)

Country Link
US (1) US4425639A (it)
JP (1) JPS57136830A (it)
DE (1) DE3200249A1 (it)
FR (1) FR2498034B1 (it)
IT (1) IT1149429B (it)

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FR2753863B1 (fr) * 1996-09-20 1999-04-02 Dispositif d'emission d'informations numeriques par satellite a partir de plusieurs stations au sol
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US5870390A (en) * 1996-11-05 1999-02-09 Worldspace International Network, Inc. Statellite direct radio broadcast receiver for extracting a broadcast channel and service control header from time division multiplexed transmissions
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US6542480B1 (en) 1996-11-05 2003-04-01 Worldspace, Inc. Satellite payload processing system using polyphase demultiplexing, quadrature phase shift keying demodulation and rate alignment
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US6243366B1 (en) * 1997-06-20 2001-06-05 At&T Corp. Method and apparatus for providing interactive two-way communications using a single one-way channel in satellite systems
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US6397039B1 (en) * 1998-09-14 2002-05-28 Space Systems/Loral, Inc. Satellite communication system using multiple ground station RF power control in a single downlink beam
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US6665518B1 (en) * 2000-03-01 2003-12-16 Northrop Gumman Corporation Asymmetric assignment of space-borne communication system resources
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
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US6859652B2 (en) * 2000-08-02 2005-02-22 Mobile Satellite Ventures, Lp Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis
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US9596022B2 (en) 2012-10-02 2017-03-14 The Boeing Company Method and apparatus for routing IP packets in multi-beam satellite networks
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US4232266A (en) * 1978-09-05 1980-11-04 Bell Telephone Laboratories, Incorporated Technique for sharing a plurality of transponders among a same or larger number of channels

Also Published As

Publication number Publication date
DE3200249A1 (de) 1982-08-12
FR2498034A1 (fr) 1982-07-16
FR2498034B1 (fr) 1986-02-07
JPS57136830A (en) 1982-08-24
US4425639A (en) 1984-01-10
IT8219048A0 (it) 1982-01-11

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