GB9722728D0 - Space-based communication systems - Google Patents

Space-based communication systems

Info

Publication number
GB9722728D0
GB9722728D0 GBGB9722728.4A GB9722728A GB9722728D0 GB 9722728 D0 GB9722728 D0 GB 9722728D0 GB 9722728 A GB9722728 A GB 9722728A GB 9722728 D0 GB9722728 D0 GB 9722728D0
Authority
GB
United Kingdom
Prior art keywords
space
communication systems
based communication
systems
communication
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
GBGB9722728.4A
Other versions
GB2319700A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of GB9722728D0 publication Critical patent/GB9722728D0/en
Publication of GB2319700A publication Critical patent/GB2319700A/en
Ceased legal-status Critical Current

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
    • H04B7/18521—Systems of inter linked satellites, i.e. inter satellite service
    • 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
    • H04B7/195—Non-synchronous stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
  • Traffic Control Systems (AREA)
GB9722728A 1996-11-25 1997-10-29 Satellite communication system using satellites at different altitudes Ceased GB2319700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75346396A 1996-11-25 1996-11-25

Publications (2)

Publication Number Publication Date
GB9722728D0 true GB9722728D0 (en) 1997-12-24
GB2319700A GB2319700A (en) 1998-05-27

Family

ID=25030743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9722728A Ceased GB2319700A (en) 1996-11-25 1997-10-29 Satellite communication system using satellites at different altitudes

Country Status (13)

Country Link
JP (1) JPH10163947A (en)
KR (1) KR19980042704A (en)
CN (1) CN1184385A (en)
BR (1) BR9705135A (en)
CA (1) CA2221003A1 (en)
DE (1) DE19751160A1 (en)
FR (1) FR2756439A1 (en)
GB (1) GB2319700A (en)
IL (1) IL121764A0 (en)
IT (1) IT1295433B1 (en)
NL (1) NL1007404A1 (en)
RU (1) RU97119431A (en)
TW (1) TW399375B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001045293A2 (en) * 1999-12-17 2001-06-21 General Dynamics Decision Systems, Inc. Satellite relay method and apparatus
EP1158701A3 (en) * 2000-05-22 2003-11-05 TRW Inc. Apparatus for contolling the routing in a satellite communication system
US7822067B2 (en) 2003-08-08 2010-10-26 Qualcomm Incorporated Header compression enhancement for broadcast/multicast services
CA2550544A1 (en) * 2003-12-29 2005-11-17 Peersat Llc Inter-satellite crosslink communications system, apparatus, method and computer program product
DE102008006432B4 (en) * 2008-01-28 2014-12-31 Deutsches Zentrum für Luft- und Raumfahrt e.V. System for requesting data transfer from one or more earth observation satellites to one or more ground stations
FR2954635B1 (en) * 2009-12-17 2016-03-11 Astrium Sas HYBRID SPATIAL SYSTEM BASED ON A CONSTELLATION OF SATELLITES IN LOW ORBIT ACTING AS SPACE REPEATERS TO IMPROVE THE EMISSION AND RECEPTION OF GEOSTATIONARY SIGNALS
CA2927217A1 (en) * 2016-04-14 2017-10-14 Telesat Canada Dual leo satellite system and method for global coverage
CN109983714B (en) * 2016-04-28 2021-12-21 克劳德康斯特莱什公司 Space-based electronic data transmission network system
DE102017111091B4 (en) * 2017-05-22 2019-01-10 Deutsches Zentrum für Luft- und Raumfahrt e.V. Satellite system for navigation and / or geodesy
FR3083944B1 (en) * 2018-07-12 2020-07-03 Thales HIGH-SPEED SATELLITE COMMUNICATION SYSTEM INCLUDING AT LEAST ONE POWER SATELLITE PROVIDING ON-BOARD PROCESSING

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644176A1 (en) * 1986-12-23 1988-07-14 Messerschmitt Boelkow Blohm METHOD FOR TRANSMITTING DATA BY MEANS OF A GEOSTATIONAL SATELLITE AND AT LEAST A SUBSATELLITE
GB8801008D0 (en) * 1988-01-18 1988-02-17 British Aerospace Acquisition system for multiple access optical communication system
US5218467A (en) * 1990-12-28 1993-06-08 Nasa And Laser Data Technology, Inc. Multi-access laser communications transceiver system
FR2706102B1 (en) * 1993-06-02 1995-07-07 Alcatel Espace Memory relay system for observation satellites.
US5579536A (en) * 1994-06-13 1996-11-26 Motorola, Inc. Method and apparatus for establishing communication links between non-stationary communication units
CA2179130A1 (en) * 1995-08-31 1997-03-01 Kadathur S. Natarajan System and methods of supporting connection-oriented services in a network with changing topology
US5906337A (en) * 1995-10-03 1999-05-25 Trw Inc. Multiple altitude satellite relay system and method

Also Published As

Publication number Publication date
GB2319700A (en) 1998-05-27
JPH10163947A (en) 1998-06-19
CN1184385A (en) 1998-06-10
RU97119431A (en) 1999-10-27
NL1007404A1 (en) 1998-05-27
KR19980042704A (en) 1998-08-17
IL121764A0 (en) 1998-02-22
TW399375B (en) 2000-07-21
IT1295433B1 (en) 1999-05-12
FR2756439A1 (en) 1998-05-29
BR9705135A (en) 1999-05-18
DE19751160A1 (en) 1998-06-25
CA2221003A1 (en) 1998-05-25
ITRM970628A1 (en) 1998-05-26

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)