GB2317536B - Mobile satellite communication system - Google Patents

Mobile satellite communication system

Info

Publication number
GB2317536B
GB2317536B GB9721234A GB9721234A GB2317536B GB 2317536 B GB2317536 B GB 2317536B GB 9721234 A GB9721234 A GB 9721234A GB 9721234 A GB9721234 A GB 9721234A GB 2317536 B GB2317536 B GB 2317536B
Authority
GB
United Kingdom
Prior art keywords
communication system
satellite communication
mobile satellite
mobile
satellite
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 - Fee Related
Application number
GB9721234A
Other versions
GB9721234D0 (en
GB2317536A (en
Inventor
Takayuki Nonami
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP5167650A external-priority patent/JP2997610B2/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB9721234D0 publication Critical patent/GB9721234D0/en
Publication of GB2317536A publication Critical patent/GB2317536A/en
Application granted granted Critical
Publication of GB2317536B publication Critical patent/GB2317536B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B7/18545—Arrangements for managing station mobility, i.e. for station registration or localisation
    • H04B7/18547—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
    • H04B7/1855—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification
    • H04B7/18552—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification using a telephonic control signal and a second ranging satellite
    • 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
    • G01S19/02—Details of the space or ground control segments
    • 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
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9721234A 1993-07-07 1994-06-08 Mobile satellite communication system Expired - Fee Related GB2317536B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5167650A JP2997610B2 (en) 1993-07-07 1993-07-07 Mobile satellite communication system
GB9411461A GB2279842B (en) 1993-07-07 1994-06-08 Mobile satellite communication system

Publications (3)

Publication Number Publication Date
GB9721234D0 GB9721234D0 (en) 1997-12-03
GB2317536A GB2317536A (en) 1998-03-25
GB2317536B true GB2317536B (en) 1998-07-29

Family

ID=26305018

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9804540A Expired - Fee Related GB2320154B (en) 1993-07-07 1994-06-08 Mobile satellite communication system
GB9721234A Expired - Fee Related GB2317536B (en) 1993-07-07 1994-06-08 Mobile satellite communication system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9804540A Expired - Fee Related GB2320154B (en) 1993-07-07 1994-06-08 Mobile satellite communication system

Country Status (1)

Country Link
GB (2) GB2320154B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6418314B2 (en) * 1998-05-01 2002-07-09 Ericsson Inc. Methods for determining registration at a satellite communications system and related user terminals and systems
KR20000032614A (en) * 1998-11-16 2000-06-15 이흥수 Method and apparatus for collecting traffic information and method for processing speed data of traffic information
US6408178B1 (en) 1999-03-29 2002-06-18 Ericsson Inc. Systems and methods for resolving GPS pseudo-range ambiguity
CN100411490C (en) * 2006-06-27 2008-08-13 重庆邮电大学 Method for mixed positioning AOA/TOA and GPS of TD-SCDMA network
CN109921841B (en) * 2018-12-29 2021-06-25 顺丰科技有限公司 Unmanned aerial vehicle communication method and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601293A2 (en) * 1992-12-07 1994-06-15 Motorola, Inc. Intelligent position tracking
GB2275588A (en) * 1993-02-10 1994-08-31 Kokusai Denshin Denwa Co Ltd Registering the location of a mobile terminal for communication via non- geosynchronous satellites

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289527A (en) * 1991-09-20 1994-02-22 Qualcomm Incorporated Mobile communications device registration method
US5235633A (en) * 1991-12-26 1993-08-10 Everett Dennison Cellular telephone system that uses position of a mobile unit to make call management decisions
GB2271486B (en) * 1992-10-07 1997-04-16 Motorola Ltd A communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0601293A2 (en) * 1992-12-07 1994-06-15 Motorola, Inc. Intelligent position tracking
GB2275588A (en) * 1993-02-10 1994-08-31 Kokusai Denshin Denwa Co Ltd Registering the location of a mobile terminal for communication via non- geosynchronous satellites

Also Published As

Publication number Publication date
GB9721234D0 (en) 1997-12-03
GB9804540D0 (en) 1998-04-29
GB2317536A (en) 1998-03-25
GB2320154A (en) 1998-06-10
GB2320154B (en) 1998-07-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070608