MOBILE COMMUNICATION METHOD, MOBILE COMMUNICATION SYSTEM, SHORT MESSAGE DELIVERY SERVER, POSITIONAL INFORMATION MANAGEMENT SERVER, AND SESSION MANAGEMENT SERVER

摘要

A mobile communication method comprises: a step wherein a server (SMS-GW: Short Message Service-Gateway) transmits a received positional information inquiry request signal to a server (HSS: Home Subscriber Server) in response to the delivery request signal of the SMS message addressed to a mobile station (UE #1: User Equipment #1); a step wherein the server (HSS) acquires the RAT (Radio Access Technology) type of a waiting object of the mobile station (UE #1) from a server (PCRF: Policy and Charging Rules Function) in response to the received positional information inquiry request signal; a step wherein the server (HSS) transmits to the server (SMS-GW) a positional information inquiry response signal including the positional information of the mobile station (UE #1) and the RAT type of the waiting object of the mobile station (UE #1); and a step wherein the server (SMS-GW) delivers the SMS message on the basis of the positional information of the mobile station (UE #1) and the RAT type of the waiting object thereof included in the received positional information inquiry response signal.