Patent ID: 7826830

Claim:
A method of automatically adding user location information to instant messaging from a mobile station of a user, comprising mobile station implemented steps of: detecting a user selection of a location related instant messaging function of a mobile instant messaging (MIM) client on the mobile station; responsive to the detected user selection of the location related instant messaging function of the MIM client, sending a request for authentication of the mobile station to access location based service, from the mobile station of the user through a mobile wireless communication network to a location proxy server (LPS); receiving a network address of a position determining entity (PDE) from the location proxy server, responsive to authentication of the mobile station in response to the request, through the mobile wireless communication network at the mobile station; using the network address, communicating with the PDE through the mobile wireless communication network, to obtain Global Positioning System (GPS) satellite assistance information; using the GPS assistance information to take a measurement of a signal from one or more GPS satellites at the mobile station and determine therefrom geographic coordinates of a current location of the mobile station; transmitting the geographic coordinates from the mobile station through the mobile wireless communication network to the LPS; receiving through the mobile wireless communication network at the mobile station, from the LPS, a text address for the current location of the mobile station corresponding to the geographic coordinates; executing the MIM client on the mobile station to automatically populate the received text address into a message for an instant messaging service; and transmitting the message for the instant messaging service, from the mobile station through the mobile wireless communication network.