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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0596475 (2015-01-14) |
등록번호 | US-9271138 (2016-02-23) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 391 |
An improved User Plane location based service (LBS) architecture and message flow, enabling seamless User Plane location based services even when a mobile or wireless device has roamed among different carrier networks. The present invention overcomes constraints inherent in the current protocol for
An improved User Plane location based service (LBS) architecture and message flow, enabling seamless User Plane location based services even when a mobile or wireless device has roamed among different carrier networks. The present invention overcomes constraints inherent in the current protocol for roaming support defined by the Secure User Plane Location Service specification. A location system is enabled to automatically fall back to a message tunneling mechanism to ensure the security of a communication path between the location service system and the target wireless device, ensuring that the communication path is uninterrupted as the wireless device travels.
1. A method of providing user plane location services using message tunneling to support roaming, comprising: establishing a user plane roaming communication over a roaming interface (Lr) between a roaming wireless device (MT) and a visited location server (V-LCS) that serves a geographic area where
1. A method of providing user plane location services using message tunneling to support roaming, comprising: establishing a user plane roaming communication over a roaming interface (Lr) between a roaming wireless device (MT) and a visited location server (V-LCS) that serves a geographic area where said roaming wireless device is currently, via an intermediary home location server (H-LCS), said user plane roaming communication being tunneled in a Position Data message (PDMESS), wherein said user plane roaming communication includes an indicator that message tunneling is being used; andproviding an IP address of said serving positioning server to said roaming wireless device. 2. The method of providing user plane location services using message tunneling to support roaming according to claim 1, wherein said user plane roaming communication comprises: an Internet Protocol (I P) packetized message. 3. The method of providing user plane location services using message tunneling to support roaming according to claim 1, wherein said user plane roaming communication comprises: a short messaging system (SMS) message. 4. The method of providing user plane location services using message tunneling to support roaming according to claim 1, wherein said user plane roaming communication comprises: a text message. 5. The method of providing user plane location services using message tunneling to support roaming according to claim 1, further comprising: passing said user plane roaming communication through a firewall protecting said visited location server (V-LCS). 6. The method of providing user plane location services using message tunneling to support roaming according to claim 1, wherein said user plane roaming communication comprises: an Lr request. 7. The method of providing user plane location services using message tunneling to support roaming according to claim 1, further comprising: transmitting, from said intermediary home location server (H-LCS) to said visited location server (V-LCS), a Position Data INIT (PDINIT) message inside said Position Data Message (PDMESS) corresponding to a sessionid. 8. The method of providing user plane location services using message tunneling to support roaming according to claim 7, wherein: said PDINIT message is transmitted via a relevant roaming interface (Lr). 9. A home network location server to provide user plane location services using message tunneling to support roaming, comprising: a roaming interface to establish a user plane roaming communication between a roaming wireless device (MT) and a visited positioning server that serves a geographic area where said roaming wireless device is currently, via an intermediary home positioning server, said user plane roaming communication being tunneled in a Position Data message (PDMESS), wherein said user plane roaming communication includes an indicator that message tunneling is being used; anda home location services manager (H-LCS), associated with said intermediary home positioning server associated with said roaming wireless device, to obtain an IP address of said visited positioning server, and to transmit said IP address of said visited positioning server to said roaming wireless device. 10. A home network location server to provide user plane location services using message tunneling to support roaming according to claim 9, wherein: said IP address is a private IP address. 11. A home network location server to provide user plane location services using message tunneling to support roaming according to claim 9, wherein: said roaming interface passes through a firewall associated with said visited positioning server. 12. A home network location server to provide user plane location services using message tunneling to support roaming according to claim 9, wherein said user plane roaming communication comprises: a short messaging system (SMS) message. 13. A home network location server to provide user plane location services using message tunneling to support roaming according to claim 9, wherein said user plane roaming communication comprises: a text message. 14. A home network location server to provide user plane location services using message tunneling to support roaming according to claim 9, wherein said user plane roaming communication comprises: an Lr request. 15. A home network location server to provide user plane location services using message tunneling to support roaming according to claim 9, wherein: said intermediary home positioning server transmits a PDINIT message inside said Position Data message corresponding to a sessionid, to said visited positioning server.
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