Patent ID: 9374699
Filing Date: 2016-06-21
CPC Classification: H04W

Claim Text:
1. A Proximity-based Service (ProSe) registration method for a user equipment (UE) of a wireless communication system, used in a Mobility Management Entity (MME) of the wireless communication system, comprising: receiving an attach request or a tracking area update request for requesting ProSe UE registration from the UE; retrieving ProSe subscription information and ProSe preference settings related to the UE from a home subscriber server (HSS) of the wireless communication system and storing the ProSe subscription information and the ProSe preference settings related to the UE as a ProSe context of the UE; transmitting a ProSe registration request including a ProSe identifier of the UE and the ProSe preference settings related to the UE to a ProSe server of the wireless communication system, wherein the ProSe identifier of the UE is allocated by the MME, and is a temporary UE identifier or an identifier composed based on the temporary UE identifier identifying the UE and a ProSe server identifier identifying the ProSe server; reallocating the ProSe identifier of the UE when the temporary UE identifier is changed; and sending a first message including the reallocated ProSe identifier to the UE and sending a second message including the reallocated ProSe identifier to the ProSe server.