DE69513836D1 - Mobiles tdma satellitenkommunikationssystem mit mehrstrahlantenne - Google Patents

Mobiles tdma satellitenkommunikationssystem mit mehrstrahlantenne

Info

Publication number
DE69513836D1
DE69513836D1 DE69513836T DE69513836T DE69513836D1 DE 69513836 D1 DE69513836 D1 DE 69513836D1 DE 69513836 T DE69513836 T DE 69513836T DE 69513836 T DE69513836 T DE 69513836T DE 69513836 D1 DE69513836 D1 DE 69513836D1
Authority
DE
Germany
Prior art keywords
communication system
satellite communication
beam antenna
tdma satellite
mobile tdma
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
DE69513836T
Other languages
English (en)
Other versions
DE69513836T2 (de
Inventor
Nicholas Hart
Gunnar Bjoernstrom
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.)
Inmarsat Global Ltd
Original Assignee
Inmarsat Ltd
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 Inmarsat Ltd filed Critical Inmarsat Ltd
Publication of DE69513836D1 publication Critical patent/DE69513836D1/de
Application granted granted Critical
Publication of DE69513836T2 publication Critical patent/DE69513836T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B7/2041Spot beam multiple access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18532Arrangements for managing transmission, i.e. for transporting data or a signalling message
    • H04B7/18534Arrangements for managing transmission, i.e. for transporting data or a signalling message for enhancing link reliablility, e.g. satellites diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18545Arrangements for managing station mobility, i.e. for station registration or localisation
    • H04B7/18547Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
    • H04B7/1855Arrangements 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
DE69513836T 1994-07-22 1995-05-16 Mobiles tdma satellitenkommunikationssystem mit mehrstrahlantenne Expired - Fee Related DE69513836T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9414829A GB2293725B (en) 1994-07-22 1994-07-22 Satellite communication method and apparatus
PCT/GB1995/001103 WO1996003814A1 (en) 1994-07-22 1995-05-16 Multi-beam tdma satellite mobile communications system

Publications (2)

Publication Number Publication Date
DE69513836D1 true DE69513836D1 (de) 2000-01-13
DE69513836T2 DE69513836T2 (de) 2000-05-31

Family

ID=10758746

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69513836T Expired - Fee Related DE69513836T2 (de) 1994-07-22 1995-05-16 Mobiles tdma satellitenkommunikationssystem mit mehrstrahlantenne

Country Status (11)

Country Link
US (3) US6314269B1 (de)
EP (2) EP0772922B1 (de)
JP (1) JPH10506246A (de)
CN (1) CN1080958C (de)
AU (1) AU2451895A (de)
CA (1) CA2195662C (de)
DE (1) DE69513836T2 (de)
GB (3) GB2293725B (de)
IN (1) IN192234B (de)
WO (1) WO1996003814A1 (de)
ZA (1) ZA956067B (de)

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Also Published As

Publication number Publication date
EP0946000A3 (de) 2000-02-16
US20020061730A1 (en) 2002-05-23
GB2321372B (en) 1998-11-25
GB2321831B (en) 1999-02-17
CN1080958C (zh) 2002-03-13
EP0772922B1 (de) 1999-12-08
GB2321372A (en) 1998-07-22
ZA956067B (en) 1996-03-11
US20010046841A1 (en) 2001-11-29
EP0772922A1 (de) 1997-05-14
EP0946000A2 (de) 1999-09-29
CA2195662A1 (en) 1996-02-08
GB9808384D0 (en) 1998-06-17
DE69513836T2 (de) 2000-05-31
JPH10506246A (ja) 1998-06-16
CN1156525A (zh) 1997-08-06
CA2195662C (en) 2005-03-29
US6314269B1 (en) 2001-11-06
GB9808386D0 (en) 1998-06-17
GB9414829D0 (en) 1994-09-14
WO1996003814A1 (en) 1996-02-08
AU2451895A (en) 1996-02-22
GB2293725B (en) 1999-02-10
GB2321831A (en) 1998-08-05
GB2293725A (en) 1996-04-03
IN192234B (de) 2004-03-20

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