CA2675763A1 - Automatic satellite/terrestrial mobile terminal roaming system and method - Google Patents
Automatic satellite/terrestrial mobile terminal roaming system and method Download PDFInfo
- Publication number
- CA2675763A1 CA2675763A1 CA002675763A CA2675763A CA2675763A1 CA 2675763 A1 CA2675763 A1 CA 2675763A1 CA 002675763 A CA002675763 A CA 002675763A CA 2675763 A CA2675763 A CA 2675763A CA 2675763 A1 CA2675763 A1 CA 2675763A1
- Authority
- CA
- Canada
- Prior art keywords
- communications network
- terrestrial
- satellite
- network
- transceiver
- 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.)
- Granted
Links
- 230000006854 communication Effects 0.000 claims abstract 28
- 230000010267 cellular communication Effects 0.000 claims abstract 12
- 230000009977 dual effect Effects 0.000 claims abstract 5
- 230000007175 bidirectional communication Effects 0.000 claims 1
Classifications
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- 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
- H04B7/18563—Arrangements for interconnecting multiple systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
-
- 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
Abstract
A dual mode user terminal, comprising a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway; a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center;
and a processor, responsive to one of a user selected protocol or a gateway selected protocol, for enabling either said first or said second transceiver for registering said user terminal with one of said satellite communications network or said terrestrial cellular communications network, wherein one of said satellite communications network or terrestrial cellular communications network is assigned a higher priority than the other for first attempting registration, and wherein said processor initiates a registration into the other network after registering with the highest priority network.
and a processor, responsive to one of a user selected protocol or a gateway selected protocol, for enabling either said first or said second transceiver for registering said user terminal with one of said satellite communications network or said terrestrial cellular communications network, wherein one of said satellite communications network or terrestrial cellular communications network is assigned a higher priority than the other for first attempting registration, and wherein said processor initiates a registration into the other network after registering with the highest priority network.
Claims (4)
1. A dual mode user terminal, comprising:
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and a processor, responsive to one of a user selected protocol or a gateway selected protocol, for enabling either said first or said second transceiver for registering said user terminal with one of said satellite communications network or said terrestrial cellular communications network, wherein one of said satellite communications network or terrestrial cellular communications network is assigned a higher priority than the other for first attempting registration, and wherein said processor initiates a registration into the other network after registering with the highest priority network.
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and a processor, responsive to one of a user selected protocol or a gateway selected protocol, for enabling either said first or said second transceiver for registering said user terminal with one of said satellite communications network or said terrestrial cellular communications network, wherein one of said satellite communications network or terrestrial cellular communications network is assigned a higher priority than the other for first attempting registration, and wherein said processor initiates a registration into the other network after registering with the highest priority network.
2. A dual mode user terminal, comprising:
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and a processor, responsive to one of a user selected protocol or a gateway selected protocol, for enabling either said first or said second transceiver for registering said user terminal with one of said satellite communications network or said terrestrial cellular communications network, wherein one of said satellite communications network or terrestrial cellular communications network is assigned a higher priority than the other for first attempting registration, and wherein said processor automatically initiates a registration into the other network after de-registering with the highest priority network.
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and a processor, responsive to one of a user selected protocol or a gateway selected protocol, for enabling either said first or said second transceiver for registering said user terminal with one of said satellite communications network or said terrestrial cellular communications network, wherein one of said satellite communications network or terrestrial cellular communications network is assigned a higher priority than the other for first attempting registration, and wherein said processor automatically initiates a registration into the other network after de-registering with the highest priority network.
3. A dual mode user terminal, comprising:
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and a processor for registering said user terminal simultaneously into both said satellite communications network and into said terrestrial cellular communications network and, in response to a loss of communication with a preferred on of said satellite or terrestrial communications networks, for sending a message to a HLR or VLR of the other network.
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and a processor for registering said user terminal simultaneously into both said satellite communications network and into said terrestrial cellular communications network and, in response to a loss of communication with a preferred on of said satellite or terrestrial communications networks, for sending a message to a HLR or VLR of the other network.
4. A dual mode user terminal, comprising:
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and control means responsive to one of a plurality of predetermined initial conditions for establishing bidirectional communications with at least one of said satellite communications network or said terrestrial communications network, said plurality of initial conditions comprising (a) logging in only to said satellite communications network; (b) logging into said satellite communications network but authorized to switch to said terrestrial communications network; (c) logging into both said satellite communications network and into said terrestrial communications network, wherein an automatic network search mode begins with said satellite communications network; (d) logging only into said terrestrial communications network; (e) logging into said terrestrial communications network but authorized to switch to said satellite communications network; and (f) logging into both said satellite communications network and into said terrestrial communications network, wherein said automatic network search mode begins with said terrestrial communications network.
a first transceiver for communicating with a satellite communications network that comprises at least one satellite and at least one terrestrial gateway;
a second transceiver for communicating with a terrestrial cellular communications network comprising at least one repeater and at least one mobile switching center; and control means responsive to one of a plurality of predetermined initial conditions for establishing bidirectional communications with at least one of said satellite communications network or said terrestrial communications network, said plurality of initial conditions comprising (a) logging in only to said satellite communications network; (b) logging into said satellite communications network but authorized to switch to said terrestrial communications network; (c) logging into both said satellite communications network and into said terrestrial communications network, wherein an automatic network search mode begins with said satellite communications network; (d) logging only into said terrestrial communications network; (e) logging into said terrestrial communications network but authorized to switch to said satellite communications network; and (f) logging into both said satellite communications network and into said terrestrial communications network, wherein said automatic network search mode begins with said terrestrial communications network.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/707,534 | 1996-09-04 | ||
US08/707,534 US6072768A (en) | 1996-09-04 | 1996-09-04 | Automatic satellite/terrestrial mobile terminal roaming system and method |
CA002214346A CA2214346C (en) | 1996-09-04 | 1997-08-29 | Automatic satellite/terrestrial mobile terminal roaming system and method |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002214346A Division CA2214346C (en) | 1996-09-04 | 1997-08-29 | Automatic satellite/terrestrial mobile terminal roaming system and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2675763A1 true CA2675763A1 (en) | 1998-03-04 |
CA2675763C CA2675763C (en) | 2012-04-17 |
Family
ID=24842093
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2675763A Expired - Lifetime CA2675763C (en) | 1996-09-04 | 1997-08-29 | Automatic satellite/terrestrial mobile terminal roaming system and method |
CA002214346A Expired - Lifetime CA2214346C (en) | 1996-09-04 | 1997-08-29 | Automatic satellite/terrestrial mobile terminal roaming system and method |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002214346A Expired - Lifetime CA2214346C (en) | 1996-09-04 | 1997-08-29 | Automatic satellite/terrestrial mobile terminal roaming system and method |
Country Status (13)
Country | Link |
---|---|
US (2) | US6072768A (en) |
EP (1) | EP0831599A3 (en) |
JP (1) | JPH10191423A (en) |
KR (1) | KR19980024349A (en) |
CN (1) | CN1177261A (en) |
AU (1) | AU727452B2 (en) |
BR (1) | BR9712011A (en) |
CA (2) | CA2675763C (en) |
HK (1) | HK1002163A2 (en) |
ID (1) | ID17009A (en) |
RU (1) | RU2193815C2 (en) |
TW (1) | TW387174B (en) |
WO (1) | WO1998010521A2 (en) |
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- 1997-08-27 WO PCT/US1997/015073 patent/WO1998010521A2/en active Application Filing
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- 1997-08-29 CA CA002214346A patent/CA2214346C/en not_active Expired - Lifetime
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- 1997-09-03 ID IDP973072A patent/ID17009A/en unknown
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CA2214346C (en) | 2009-12-22 |
BR9712011A (en) | 1999-09-21 |
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