Patent ID: 7054615
Filing Date: 2006-05-30
Classification: H04W

Abstract:
1. A system in a mobile communication network for providing enhanced user privacy when responding to a location request from a client requesting location information for a mobile terminal, said network including a service node serving the mobile terminal and a home location register/home subscriber server (HLR/HSS) associated with the mobile terminal, wherein the location request includes an identifier for the requesting client) a codeword, and a service identity, said system comprising: a mobile location node that receives the location request from the client and forwards the location request to the HLR/HSS; a list of approved codewords associated with the mobile terminal, said list being stored in the HLR/HSS; and a list of approved service identities associated with the client; wherein, the location request is accepted only if the codeword included in the location request matches a codeword from the approved codeword list, and the service identity included in the location request matches a service identity from the approved service identity list; wherein the mobile location node includes a mapping function for mapping the service identity received in the location request to a service type, and wherein the service node includes a list of approved service types associated with the mobile terminal, and wherein the mobile location node sends a mapped service type to the service node for comparison with the list of approved service types, and wherein the mapped service type must also match a service type from the service time list in the service node for the location request to be accepted.