The number of messages required in networks where both location and presence services are deployed may be reduced, by retrieving presence data from messages otherwise intended to provide only location information. Thus, information determined in a location service scheme is utilized to provide a pre
The number of messages required in networks where both location and presence services are deployed may be reduced, by retrieving presence data from messages otherwise intended to provide only location information. Thus, information determined in a location service scheme is utilized to provide a presence service as well. A location server requests mobile subscriber (MS) information from a Core Network (CN) Node (i.e. HLR, MSC, etc.) that can be used in determining the Location of the MS. A single message aggregates retrieval of information for two services, specifically, for both location and presence.
대표청구항▼
1. A method of providing presence information regarding a wireless device, comprising: receiving, by a physical home location register, a request for location information regarding a physical wireless device;formulating, at said physical home location register, a data message including presence info
1. A method of providing presence information regarding a wireless device, comprising: receiving, by a physical home location register, a request for location information regarding a physical wireless device;formulating, at said physical home location register, a data message including presence information regarding said physical wireless device in response to said request for location information; andtriggering transmission of said data message including said presence, in response to said request for location information. 2. The method of providing presence information regarding a wireless device according to claim 1, wherein said presence information comprises at least one of the following: a state of said physical wireless device; anda status of said physical wireless device. 3. The method of providing presence information regarding a wireless device according to claim 1, wherein: said presence information is transmitted to another wireless device other than said physical wireless device. 4. The method of providing presence information regarding a wireless device according to claim 1, wherein: said location information and said presence information are maintained in said physical home location register. 5. The method of providing presence information regarding a wireless device according to claim 1, further comprising: retrieving said location information regarding said physical wireless device from a core network node. 6. The method of providing presence information regarding a wireless device according to claim 5, wherein: said core network node is a message service center. 7. The method of providing presence information regarding a wireless device according to claim 1, further comprising: obtaining last known location information regarding said physical wireless device to provide as requested location information. 8. The method of providing presence information regarding a wireless device according to claim 1, further comprising: obtaining requested location information from cached memory. 9. The method of providing presence information regarding a wireless device according to claim 1, further comprising: obtaining requested location information from a radio access network. 10. The method of providing presence information regarding a wireless device according to claim 1, further comprising: obtaining requested location information from a global positioning satellite (GPS) system. 11. A location services system for providing presence information regarding a wireless device, comprising: a physical home location register to receive a request for location information regarding a physical wireless device, to formulate a data message including presence information regarding said physical wireless device in response to said request for location information, and to transmit said data message including said presence information; anda presence server to transmit said data message including said presence information triggered in response to said request for location information. 12. The location services system for providing presence information regarding a wireless device according to claim 11, wherein said presence information comprises at least one of the following: a state of said physical wireless device; anda status of said physical wireless device. 13. The location services system for providing presence information regarding a wireless device according to claim 11, wherein: said presence information is provided to another wireless device other than said physical wireless device. 14. The location services system for providing presence information regarding a wireless device according to claim 11, wherein: said home location register obtains requested location information from a global positioning satellite (GPS) system. 15. The location services system for providing presence information regarding a wireless device according to claim 11, wherein: said home location server obtains requested location information from a core network node. 16. The location services system for providing presence information regarding a wireless device according to claim 15, wherein: said core network node is a message service center. 17. The location services system for providing presence information regarding a wireless device according to claim 11, wherein: said location server obtains last known location information regarding said physical wireless device to provide as requested location information. 18. The location services system for providing presence information regarding a wireless device according to claim 11, wherein: requested location information is obtained from cached memory. 19. The location services system for providing presence information regarding a wireless device according to claim 11, wherein: requested location information is obtained from a radio access network. 20. The location services system for providing presence information regarding a wireless device according to claim 11, wherein: requested location information is obtained from a global positioning satellite (GPS) system.
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