Patent ID: 7502361
Filing Date: 2009-03-10
Classification: H04L,H04W

Abstract:
1. Apparatus in a packet-based multiaccess mobile communications system, comprising a mobile user station, wherein the mobile user station comprises: a memory; and at least one processor coupled to the memory and operative to support a protocol layer, the protocol layer providing substantially dedicated support to applications associated with the communications system with respect to the mobility of the user station, and the protocol layer being located, in a protocol stack associated with the communications system, functionally below and separate from a network layer in the protocol stack and functionally above and separate from a media access control layer in the protocol stack, wherein the protocol layer enables an address of the mobile user station to be a combination of an identifier of the mobile user station and an identifier of a network node with which the mobile user station is currently associated, such that network nodes in the communications system are not required to obtain additional address information to direct a packet to/from the mobile user station.