RU99106424A - SYSTEM AND METHOD FOR ENSURING MOBILE TERMINAL ROAMING IN A SATELLITE / TERRESTRIAL COMMUNICATION SYSTEM - Google Patents

SYSTEM AND METHOD FOR ENSURING MOBILE TERMINAL ROAMING IN A SATELLITE / TERRESTRIAL COMMUNICATION SYSTEM

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RU99106424A
RU99106424A RU99106424/09A RU99106424A RU99106424A RU 99106424 A RU99106424 A RU 99106424A RU 99106424/09 A RU99106424/09 A RU 99106424/09A RU 99106424 A RU99106424 A RU 99106424A RU 99106424 A RU99106424 A RU 99106424A
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umc
network
terrestrial
satellite
communication
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RU99106424/09A
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Russian (ru)
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RU2193815C2 (en
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Роберт А. ВИДЕМАН
Майкл Дж. Сайтс
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Глобалстар Л.П.
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Priority claimed from US08/707,534 external-priority patent/US6072768A/en
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Claims (15)

1. Система связи, содержащая по меньшей мере один пользовательский терминал, элемент спутниковой системы связи, включающий в себя по меньшей мере один спутник и один наземный узел межсетевого сопряжения (УМС), элемент беспроводной наземной системы связи, включающий в себя по меньшей мере один ретранслятор и по меньшей мере один центр коммутации мобильного обслуживания (ЦКМ), при этом по меньшей мере один упомянутый УМС и по меньшей мере один упомянутый ЦКМ связаны вместе первой сетью части мобильного применения (ЧМП), причем по меньшей мере один упомянутый УМС и по меньшей мере один ЦКМ дополнительно связаны с наземной сетью, по меньшей мере один упомянутый пользовательский терминал содержит первый приемопередатчик для двусторонней связи с упомянутым УМС через упомянутый спутник, второй приемопередатчик для двусторонней связи с упомянутым ЦКМ через упомянутый ретранслятор и средство управления, реагирующее на протокол выбранный пользователем, или протокол, выбранный УМС, для обеспечения возможности первому приемопередатчику или второму приемопередатчику осуществлять передачу пользовательских данных в упомянутую наземную сеть связи.1. A communication system comprising at least one user terminal, an element of a satellite communication system including at least one satellite and one terrestrial gateway (UMC) node, a wireless terrestrial communication system element including at least one relay and at least one mobile service switching center (MSC), wherein at least one UMC and at least one MSC are connected together by a first network of a mobile application part (NMP), at least one said UMC and at least one MSC additionally connected to a terrestrial network, at least one said user terminal comprises a first transceiver for two-way communication with said UMC via said satellite, a second transceiver for two-way communication with said MSC through said relay and control means, responsive to the protocol selected by the user, or the protocol selected by the UMC, to enable the first transceiver or second transceiver to transmitting user data to said terrestrial communications network. 2. Система связи по п. 1, отличающаяся тем, что упомянутая наземная сеть связи включает в себя коммутируемую телефонную сеть общего пользования. 2. The communication system according to claim 1, characterized in that said terrestrial communication network includes a public switched telephone network. 3. Система связи по п. 1, отличающаяся тем, что упомянутый УМС связан двусторонней связью с упомянутой сетью ЧМП через регистр исходного местоположения (РИМ) или регистр местоположения визитера (РМВ). 3. The communication system according to claim 1, characterized in that said UMC is connected by a two-way communication with said NMP network through a source location register (ROM) or a visitor location register (RMB). 4. Система связи по п. 3, отличающаяся тем, что упомянутый УМС связан двусторонней связью со второй сетью ЧМП через РИМ или РМВ. 4. The communication system according to p. 3, characterized in that the said UMC is connected by two-way communication with the second NMP network via RIM or RMV. 5. Система связи по п. 1, отличающаяся тем, что, упомянутый УМС содержит базу данных для хранения данных, представляющих карту, указывающую области связи низкого качества в пределах области обслуживания УМС, причем упомянутый протокол, выбранный УМС, модифицируется в зависимости от упомянутых данных из упомянутой базы данных. 5. The communication system according to claim 1, characterized in that said UMC contains a database for storing data representing a map indicating low-quality communication areas within the UMC service area, said protocol selected by the UMC being modified depending on the data from the mentioned database. 6. Система связи по п. 1, отличающаяся тем, что упомянутый УМС содержит базу данных для хранения данных, представляющих архивные записи доступности пользовательского терминала в области обслуживания УМС, при этом упомянутый протокол, выбранный УМС, модифицируется в зависимости от упомянутых данных из упомянутой базы данных. 6. The communication system according to claim 1, characterized in that the said UMC contains a database for storing data representing archived records of the availability of the user terminal in the field of UMC service, while the protocol selected by the UMC is modified depending on the data from the said database data. 7. Система связи по п. 1, отличающаяся тем, что упомянутый УМС содержит первое средство интерфейса для соединения УМС с упомянутой сетью ЧМП и второе средство интерфейса для соединения УМС со второй сетью ЧМП. 7. The communication system according to claim 1, characterized in that said UMC comprises first interface means for connecting the UMC to said NMP network and second interface means for connecting the UMC to the second NMP network. 8. Система связи по п. 7, отличающаяся тем, что упомянутое второе средство интерфейса также соединяет упомянутый УМС с упомянутой наземной сетью связи. 8. The communication system according to claim 7, characterized in that said second interface means also connects said UMC to said terrestrial communication network. 9. Система связи по п. 1, отличающаяся тем, что упомянутый УМС содержит средство для хранения вызовов, направленных к упомянутому пользовательскому терминалу, когда пользовательский терминал не доступен для получения вызовов, и для последующей доставки упомянутых сохраненных вызовов к пользовательскому терминалу, когда упомянутый пользовательский терминал имеет возможность получать вызовы. 9. The communication system according to claim 1, characterized in that said UMC comprises means for storing calls directed to said user terminal when the user terminal is not available to receive calls, and for subsequent delivery of said stored calls to the user terminal when said user the terminal has the ability to receive calls. 10. Двухрежимный пользовательский терминал, содержащий первый приемопередатчик для связи со спутниковой сетью связи, которая содержит по меньшей мере один спутник и по меньшей мере один наземный узел межсетевого сопряжения (УМС), второй приемопередатчик для связи с наземной сотовой сетью связи, которая содержит по меньшей мере один ретранслятор и по меньшей мере один центр коммутации мобильного обслуживания (ЦКМ), процессор, реагирующий на протокол, выбранный пользователем или на протокол, выбранный УМС, для обеспечения возможности упомянутому первому или второму приемопередатчику регистрировать упомянутый пользовательский терминал в упомянутой спутниковой сети связи или упомянутой наземной сотовой сети связи, при этом одной из упомянутых, спутниковой или наземной, сотовых сетей связи, назначается более высокий приоритет, чем другой, для первой попытки регистрации, причем упомянутый процессор инициирует регистрацию в другой сети после регистрации в сети более высокого приоритета. 10. A bimodal user terminal comprising a first transceiver for communicating with a satellite communications network that includes at least one satellite and at least one terrestrial gateway (UMC) node, and a second transceiver for communicating with a terrestrial cellular communications network that contains at least at least one repeater and at least one mobile service switching center (MSC), a processor responsive to a protocol selected by the user or to a protocol selected by the UMC, to enable mentioning the first or second transceiver to register said user terminal in said satellite communication network or said terrestrial cellular communication network, wherein one of said satellite or terrestrial cellular communication networks is given a higher priority than the other for the first registration attempt, said the processor initiates registration on another network after registering on a higher priority network. 11. Двухрежимный пользовательский терминал, содержащий первый приемопередатчик для связи со спутниковой сетью связи, которая содержит по меньшей мере один спутник и по меньшей мере один наземный УМС, второй приемопередатчик для связи с наземной сотовой сетью связи, которая содержит по меньшей мере один ретранслятор и по меньшей мере один ЦКМ, и процессор, реагирующий по меньшей мере на протокол, выбранный пользователем, или на протокол, выбранный УМС, для обеспечения возможности упомянутому первому или второму приемопередатчику зарегистрировать упомянутый пользовательский терминал в одной из упомянутых, спутниковой или наземной, сетей связи, причем одной из упомянутых, спутниковой или наземной, сетей связи назначается более высокий приоритет, чем другой, для первой попытки регистрации, при этом упомянутый процессор автоматически инициирует регистрацию в другой сети после отмены регистрации с сети с более высоким приоритетом. 11. A bimodal user terminal comprising a first transceiver for communicating with a satellite communications network that includes at least one satellite and at least one terrestrial UMC; a second transceiver for communicating with a terrestrial cellular communications network that contains at least one repeater and at least one MSC, and a processor responsive to at least a protocol selected by the user or a protocol selected by the UMC to enable said first or second transceiver to register to set the mentioned user terminal in one of the aforementioned satellite or terrestrial communication networks, and one of the aforementioned satellite or terrestrial communication networks is assigned a higher priority than the other for the first registration attempt, while the said processor automatically initiates registration in another network after deregistration from a network with a higher priority. 12. Двухрежимный пользовательский терминал, содержащий первый приемопередатчик для связи со спутниковой сетью связи, который содержит по меньшей мере один спутник и по меньшей мере один наземный УМС, второй приемопередатчик для связи с наземной сотовой сетью связи, который содержит по меньшей мере один ЦКМ, и процессор для регистрации упомянутого пользовательского терминала одновременно как в упомянутой спутниковой сети связи, так и в упомянутой наземной сотовой сети связи и для передачи в ответ на потерю связи с предпочтительной одной из упомянутых, спутниковой или наземной, сетей связи сообщения в РИМ или в РМВ другой сети. 12. A bimodal user terminal comprising a first transceiver for communicating with a satellite communications network, which includes at least one satellite and at least one terrestrial UMC, a second transceiver for communicating with a terrestrial cellular communications network, which contains at least one MSC, and a processor for registering said user terminal simultaneously both in said satellite communication network and in said terrestrial cellular communication network and for transmitting in response to a loss of communication with a preferred one s mentioned, satellite or terrestrial communication networks messages to the HLR or VLR another network. 13. Двухрежимный пользовательский терминал, содержащий первый приемопередатчик для связи со спутниковой сетью связи, которая содержит по меньшей мере один спутник и по меньшей мере один наземный УМС, второй приемопередатчик для связи с наземной сотовой сетью связи, которая содержит по меньшей мере один ретранслятор и по меньшей мере один ЦКМ, средство управления, реагирующее на множество предварительно определенных начальных условий для установления двусторонней связи по меньшей мере с одной из упомянутых, спутниковой или наземной, сетей связи, при этом упомянутое множество начальных условий включает (а) регистрацию только в упомянутой спутниковой системе связи; (в) регистрацию в упомянутой спутниковой сети связи, с разрешением переключения на упомянутую наземную сеть связи; (с) регистрацию в упомянутой спутниковой сети связи и в упомянутой наземной сети связи, причем режим автоматического поиска сети начинается с упомянутой спутниковой сети связи; (d) регистрацию только в упомянутой наземной сети связи; (е) регистрацию только в упомянутой наземной сети связи с разрешением для переключения на упомянутую спутниковую сеть связи; и (f) регистрацию в упомянутой спутниковой сети связи и в упомянутой наземной сети связи, причем упомянутый режим автоматического поиска сети начинается с упомянутой наземной сети связи. 13. A bimodal user terminal comprising a first transceiver for communicating with a satellite communications network that includes at least one satellite and at least one terrestrial UMC; a second transceiver for communicating with a terrestrial cellular communications network that contains at least one repeater and at least one MSC, a control tool that responds to many predefined initial conditions for establishing two-way communication with at least one of the aforementioned, satellite or terrestrial, network second connection, wherein said plurality of initial conditions comprising (a) logging in only to said satellite communications system; (c) registration in said satellite communications network, with permission to switch to said terrestrial communications network; (c) registering in said satellite communication network and in said terrestrial communication network, wherein the automatic network search mode starts from said satellite communication network; (d) registration only with said terrestrial communications network; (f) registering only with said terrestrial communications network with permission to switch to said satellite communications network; and (f) registration in said satellite communication network and in said terrestrial communication network, wherein said automatic network search mode starts with said terrestrial communication network. 14. Система связи, содержащая по меньшей мере один пользовательский терминал, элемент спутниковой системы связи, включающий в себя по меньшей мере один спутник и по меньшей мере один наземный УМС, причем указанный УМС содержит базу данных, предназначенную для хранения данных, представляющих карту, указывающую области низкого качества связи в области обслуживания УМС, элемент беспроводной наземной системы связи, включающий в себя по меньшей мере один ретранслятор и по меньшей мере один ЦКМ, при этом по меньшей мере один УМС и по меньшей мере один ЦКМ связаны посредством первой сети ЧМП, по меньшей мере один УМС и по меньшей мере один ЦКМ связаны с наземной сетью связи, по меньшей мере один пользовательский терминал содержит первый приемопередатчик для двусторонней связи с упомянутым УМС через упомянутый спутник, второй приемопередатчик для двусторонней связи с упомянутым ЦКМ через упомянутый ретранслятор и средство управления, реагирующее на протокол, выбранный пользователем, или протокол, выбранный УМС, для обеспечения возможности упомянутому первому приемопередатчику или упомянутому второму приемопередатчику осуществлять передачу пользовательских данных в наземную сеть связи, причем упомянутый протокол, выбранный УМС, модифицируется в зависимости от данных из упомянутой базы данных. 14. A communication system comprising at least one user terminal, an element of a satellite communication system including at least one satellite and at least one terrestrial UMC, wherein said UMC contains a database for storing data representing a map indicating low-quality communication areas in the field of UMC service, an element of a wireless ground-based communication system, including at least one relay and at least one MSC, with at least one UMC and at least one MSC connected via the first FMC network, at least one UMC and at least one MSC connected to a terrestrial communication network, at least one user terminal comprises a first transceiver for two-way communication with said UMC through said satellite, a second transceiver for two-way communication with said MSC through said repeater and control means responsive to a protocol selected by a user or a protocol selected by a UMC to enable said first transceiver if said second transceiver to transmit user data to the terrestrial communications network, said protocol selected YMC, modified depending on the data from said database. 15. Система связи, содержащая по меньшей мере один пользовательский терминал, элемент спутниковой связи, включающий в себя по меньшей мере один спутник или по меньшей мере один наземный УМС, при этом упомянутый УМС содержит базу данных для хранения данных, представляющих архивную запись доступности пользовательского терминала в области обслуживания УМС, элемент беспроводной наземной системы связи, включающий в себя по меньшей мере один ретранслятор и по меньшей мере один ЦКМ, упомянутый по меньшей мере один УМС и упомянутый по меньшей мере один ЦКМ связаны первой сетью ЧМП, упомянутый по меньшей мере один УМС и по меньшей мере один ЦКМ соединены с наземной сетью связи, и упомянутый по меньшей мере один пользовательский терминал содержит первый приемопередатчик для двусторонней связи с упомянутым УМС через упомянутый спутник, второй приемопередатчик для двусторонней связи с упомянутым ЦКМ через упомянутый ретранслятор и средство управления, реагирующее на протокол, выбранный пользователем, или протокол, выбранный УМС, для обеспечения возможности упомянутому первому приемопередатчику или упомянутому второму приемопередатчику осуществлять передачу пользовательских данных в наземную сеть связи, причем упомянутый протокол, выбранный УМС, модифицируется в зависимости от упомянутых данных из упомянутой базы данных. 15. A communication system comprising at least one user terminal, a satellite communications element including at least one satellite or at least one terrestrial UMC, said UMC containing a database for storing data representing an archived record of the availability of the user terminal in the field of UMC service, an element of a wireless terrestrial communication system including at least one repeater and at least one MSC, said at least one UMC, and said at least e one MSC connected by the first NMP network, said at least one UMC and at least one MSC connected to a terrestrial communication network, and said at least one user terminal comprises a first transceiver for two-way communication with said UMC via said satellite, a second transceiver for two-way communication with said MSC through said relay and control means responsive to a protocol selected by the user or a protocol selected by the UMC to enable said first when to the transmitter or said second transceiver to transmit user data to the terrestrial communication network, said protocol selected by the UMC being modified depending on said data from said database.
RU99106424/09A 1996-09-04 1997-08-27 System and method for roaming mobile terminal in satellite/ground communication system RU2193815C2 (en)

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US08/707,534 US6072768A (en) 1996-09-04 1996-09-04 Automatic satellite/terrestrial mobile terminal roaming system and method

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