| 主权项 |
1. A method, comprising:
receiving, in a location server in a core service network, said location server to provide location services to find a location of a wireless device, a request from a location requestor; checking using said location server, with an authentication, authorization and accounting server to verify that the location requestor is authorized to request the location; determining, in the location server, whether a wireless device has a location determining capability, and if so requesting location information from the wireless device; receiving, in the location server, a first indication of a location of a wireless device in a wireless network from the wireless device, said first indication based exclusively on information from the wireless device itself and not derived from other devices in the network; determining which of a plurality of location controllers in an access service network is the location controller for the wireless device whose location needs to be determined; receiving, in the location controller, a second indication of the location of the wireless device wherein the second indication is derived without using any location information from the wireless device itself, but instead is derived exclusively from other devices in the network; providing said first indication from said location server to said location controller; determining the location of said wireless device in said location controller by combining said first and second indications and sending the location to the location server; and sending the location from the location server to the location requestor. |
