Patent ID: 9344887
Filing Date: 2016-05-17
CPC Classification: H04L,H04W

Claim Text:
1. A method for use in device to device communication among two or more user equipments, the method comprising: determining a context of a source user equipment and a context of a target user equipment; determining if the source and target user equipment are device to device communication compatible; determining if the source and target user equipment are authenticated for employing device to device communications; querying, by a target mobility management entity, information corresponding to a source mobility management entity in a home subscriber server; conveying, by the target mobility management entity, information corresponding to the target user equipment and an evolved universal telecommunications access network cell global identifier of the target user equipment to the source mobility management entity; and conveying identifying information corresponding to the source user equipment to each base station of one or more tracking areas of the target user equipment in response to determining that an evolved universal telecommunications access network cell global identifier of the source user equipment belongs to the one or more tracking areas of the target user equipment.