DE60025059D1 - Verfahren und System zur Satelliten-Kommunikation, worin tragbare Endgeräte ein aus mehreren Satelliten abgestrahltes Signal empfangen - Google Patents

Verfahren und System zur Satelliten-Kommunikation, worin tragbare Endgeräte ein aus mehreren Satelliten abgestrahltes Signal empfangen

Info

Publication number
DE60025059D1
DE60025059D1 DE60025059T DE60025059T DE60025059D1 DE 60025059 D1 DE60025059 D1 DE 60025059D1 DE 60025059 T DE60025059 T DE 60025059T DE 60025059 T DE60025059 T DE 60025059T DE 60025059 D1 DE60025059 D1 DE 60025059D1
Authority
DE
Germany
Prior art keywords
satellite
portable terminals
terminals receive
satellite communication
satellite signal
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.)
Expired - Lifetime
Application number
DE60025059T
Other languages
English (en)
Other versions
DE60025059T2 (de
Inventor
Donald C D Chang
Novak, Iii
Kar Yung
Frank A Hagen
Ming U Chang
William Mayfield
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.)
DirecTV Group Inc
Original Assignee
Hughes Electronics Corp
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 Hughes Electronics Corp filed Critical Hughes Electronics Corp
Publication of DE60025059D1 publication Critical patent/DE60025059D1/de
Application granted granted Critical
Publication of DE60025059T2 publication Critical patent/DE60025059T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • 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
    • H04B7/18502—Airborne stations
    • H04B7/18504—Aircraft used as relay or high altitude atmospheric platform
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/07—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
    • G01S19/073—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections involving a network of fixed stations
    • 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
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18532—Arrangements for managing transmission, i.e. for transporting data or a signalling message
    • H04B7/18534—Arrangements for managing transmission, i.e. for transporting data or a signalling message for enhancing link reliablility, e.g. satellites diversity
    • 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
    • H04B7/18502—Airborne stations
    • H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile 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
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18532—Arrangements for managing transmission, i.e. for transporting data or a signalling message
    • 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]
DE60025059T 1999-03-18 2000-03-16 Verfahren und System zur Satelliten-Kommunikation, worin tragbare Endgeräte ein aus mehreren Satelliten abgestrahltes Signal empfangen Expired - Lifetime DE60025059T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US271997 1999-03-18
US09/271,997 US6337980B1 (en) 1999-03-18 1999-03-18 Multiple satellite mobile communications method and apparatus for hand-held terminals

Publications (2)

Publication Number Publication Date
DE60025059D1 true DE60025059D1 (de) 2006-02-02
DE60025059T2 DE60025059T2 (de) 2006-08-31

Family

ID=23037968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025059T Expired - Lifetime DE60025059T2 (de) 1999-03-18 2000-03-16 Verfahren und System zur Satelliten-Kommunikation, worin tragbare Endgeräte ein aus mehreren Satelliten abgestrahltes Signal empfangen

Country Status (8)

Country Link
US (5) US6337980B1 (de)
EP (1) EP1037403B1 (de)
JP (1) JP3455493B2 (de)
KR (1) KR100330684B1 (de)
DE (1) DE60025059T2 (de)
HK (1) HK1028849A1 (de)
SG (1) SG99862A1 (de)
TW (1) TW459453B (de)

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US6295440B2 (en) 2001-09-25
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EP1037403A3 (de) 2002-01-16
US6337980B1 (en) 2002-01-08
US6909875B1 (en) 2005-06-21
EP1037403A4 (de) 2001-11-29
US20010000167A1 (en) 2001-04-05
JP2000295160A (ja) 2000-10-20
US6757546B1 (en) 2004-06-29
JP3455493B2 (ja) 2003-10-14
TW459453B (en) 2001-10-11
EP1037403B1 (de) 2005-12-28
DE60025059T2 (de) 2006-08-31
HK1028849A1 (en) 2003-04-23
SG99862A1 (en) 2003-11-27
US20050153655A1 (en) 2005-07-14

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