ITRM990561A0 - Perfezionato sistema di comunicazione satellitare con antenna a fascio zonale. - Google Patents

Perfezionato sistema di comunicazione satellitare con antenna a fascio zonale.

Info

Publication number
ITRM990561A0
ITRM990561A0 IT1999RM000561A ITRM990561A ITRM990561A0 IT RM990561 A0 ITRM990561 A0 IT RM990561A0 IT 1999RM000561 A IT1999RM000561 A IT 1999RM000561A IT RM990561 A ITRM990561 A IT RM990561A IT RM990561 A0 ITRM990561 A0 IT RM990561A0
Authority
IT
Italy
Prior art keywords
communication system
satellite communication
beam antenna
improved satellite
zonal
Prior art date
Application number
IT1999RM000561A
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 ITRM990561A0 publication Critical patent/ITRM990561A0/it
Publication of ITRM990561A1 publication Critical patent/ITRM990561A1/it
Application granted granted Critical
Publication of IT1308217B1 publication Critical patent/IT1308217B1/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)
  • Optical Communication System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
IT1999RM000561A 1998-09-14 1999-09-10 Perfezionato sistema di comunicazione satellitare con antenna a fascio zonale. IT1308217B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/152,555 US6496682B2 (en) 1998-09-14 1998-09-14 Satellite communication system employing unique spot beam antenna design

Publications (3)

Publication Number Publication Date
ITRM990561A0 true ITRM990561A0 (it) 1999-09-10
ITRM990561A1 ITRM990561A1 (it) 2001-03-10
IT1308217B1 IT1308217B1 (it) 2001-12-10

Family

ID=22543430

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999RM000561A IT1308217B1 (it) 1998-09-14 1999-09-10 Perfezionato sistema di comunicazione satellitare con antenna a fascio zonale.

Country Status (4)

Country Link
US (1) US6496682B2 (it)
JP (1) JP2000151492A (it)
FR (1) FR2783379A1 (it)
IT (1) IT1308217B1 (it)

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JP2000295128A (ja) * 1999-02-03 2000-10-20 Sharp Corp 衛星受信装置
US6704543B1 (en) * 1999-09-27 2004-03-09 Ems Technologies, Inc. Multi-beam satellite communications system
US6836658B1 (en) 2000-03-03 2004-12-28 Ems Technologies, Inc. High data rate satellite communications system and method
US6759978B2 (en) * 2002-03-21 2004-07-06 Ball Aerospace & Technologies Corp. Cross-link antenna system
US6975837B1 (en) * 2003-01-21 2005-12-13 The Directv Group, Inc. Method and apparatus for reducing interference between terrestrially-based and space-based broadcast systems
US7221907B2 (en) 2003-02-12 2007-05-22 The Boeing Company On orbit variable power high power amplifiers for a satellite communications system
US7181163B2 (en) * 2003-05-05 2007-02-20 Agence Spatiale Europeenne Multi-beam satellite communications payload with flexible power allocation
US7116936B2 (en) * 2003-05-07 2006-10-03 Hughes Network Systems, Inc. Method and apparatus for estimating beacon power variations
US7177592B2 (en) * 2003-05-30 2007-02-13 The Boeing Company Wireless communication system with split spot beam payload
US7280523B2 (en) * 2003-10-09 2007-10-09 Northrop Grumman Corporation Signal processing apparatus and method, and communication system utilizing same
US8380186B2 (en) * 2004-01-22 2013-02-19 Atc Technologies, Llc Satellite with different size service link antennas and radioterminal communication methods using same
US7851072B2 (en) * 2005-05-19 2010-12-14 Universal Display Corporation Stable and efficient electroluminescent materials
JP4804849B2 (ja) * 2005-09-20 2011-11-02 三菱電機株式会社 通信衛星及び通信システム
DE102005046803B4 (de) * 2005-09-30 2008-04-03 Electrolux Home Products Corporation N.V. Geschirrspülmaschine mit Sprüharm
US8238816B2 (en) * 2005-10-11 2012-08-07 Spectrum Five Llc Satellites and signal distribution methods and off-set pattern for sending signals
US8078141B2 (en) 2006-01-18 2011-12-13 Overhorizon (Cyprus) Plc Systems and methods for collecting and processing satellite communications network usage information
US8713324B2 (en) * 2006-01-18 2014-04-29 Overhorizon (Cyprus) Plc Systems and methods for tracking mobile terrestrial terminals for satellite communications
US8326217B2 (en) * 2006-01-18 2012-12-04 Overhorizon (Cyprus) Plc Systems and methods for satellite communications with mobile terrestrial terminals
US20080045146A1 (en) * 2006-01-18 2008-02-21 Per Wahlberg Systems and methods for establishing modular and flexible satellite communications networks
US20090295628A1 (en) * 2006-09-26 2009-12-03 Viasat, Inc. Satellite System Optimization
EP2645596B2 (en) * 2006-09-26 2020-02-12 ViaSat, Inc. Improved spot beam satellite systems
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.
US20150123843A1 (en) * 2013-11-06 2015-05-07 Lockheed Martin Corporation Receiver dual-reflector antenna system for interference suppression onboard satellite
US10103804B2 (en) * 2014-12-31 2018-10-16 Hughes Network Systems, Llc Apparatus and method for optimizing the power utilization of a satellite spot beam transponder for a multicarrier transmission
US9848370B1 (en) * 2015-03-16 2017-12-19 Rkf Engineering Solutions Llc Satellite beamforming
US9979466B2 (en) 2015-08-06 2018-05-22 Space Systems/Loral, Llc Reverse wireless broadband system
US9705586B2 (en) 2015-10-05 2017-07-11 Space Systems/Loral, Llc Satellite with transition beam size
US10499256B2 (en) 2017-12-30 2019-12-03 Hughes Network Systems, Llc Approaches for increasing coverage-area of spot beams in a wireless communications system

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US4425639A (en) 1981-01-12 1984-01-10 Bell Telephone Laboratories, Incorporated Satellite communications system with frequency channelized beams
US4752925A (en) * 1984-11-13 1988-06-21 Hughes Aircraft Company Two-hop collocated satellite communications system
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US5497169A (en) * 1993-07-15 1996-03-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wide angle, single screen, gridded square-loop frequency selective surface for diplexing two closely separated frequency bands
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US5649310A (en) 1994-06-15 1997-07-15 Space Systems/Loral, Inc. Signal translation and amplification system including a thermal radiation panel coupled thereto
WO1996002953A1 (en) * 1994-07-20 1996-02-01 Commonwealth Scientific And Industrial Research Organisation Feed movement mechanism and control system for a multibeam antenna
KR0133338B1 (ko) 1994-12-16 1998-04-21 양승택 위성중계기용 디지털 자동이득제어장치
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US5815527A (en) 1996-04-23 1998-09-29 At & T Corp Method and apparatus for switching spread spectrum/code division multiple access modulated beams
US5754139A (en) * 1996-10-30 1998-05-19 Motorola, Inc. Method and intelligent digital beam forming system responsive to traffic demand
US5878037A (en) 1996-12-18 1999-03-02 Lucent Technologies Inc. Code division switching scheme
US5956620A (en) 1997-01-17 1999-09-21 Com Dev Limited Analog processor for digital satellites
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US5861855A (en) * 1997-02-03 1999-01-19 Hughes Electronics Corporation Method and apparatus for de-icing a satellite dish antenna
US5940737A (en) * 1997-02-27 1999-08-17 Hughes Electronics Corporation Signal selector
US5884142A (en) 1997-04-15 1999-03-16 Globalstar L.P. Low earth orbit distributed gateway communication system
US5790070A (en) * 1997-05-05 1998-08-04 Motorola, Inc. Network and method for controlling steerable beams
US5995495A (en) 1997-05-23 1999-11-30 Mci Communications Corporation Method of and system for providing geographically targeted broadcast satellite service
US6032041A (en) 1997-06-02 2000-02-29 Hughes Electronics Corporation Method and system for providing wideband communications to mobile users in a satellite-based network

Also Published As

Publication number Publication date
ITRM990561A1 (it) 2001-03-10
FR2783379A1 (fr) 2000-03-17
IT1308217B1 (it) 2001-12-10
US6496682B2 (en) 2002-12-17
US20020068526A1 (en) 2002-06-06
JP2000151492A (ja) 2000-05-30

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