Patent ID: 9197997
Filing Date: 2015-11-24
Classification: H04W

Abstract:
1. A method for performing a location update in machine-to-machine (M2M) communication, the method comprising: entering, by a M2M device, into an idle mode; receiving, by the M2M device in the idle mode, a paging message from a base station, the paging message includes an action code, a network access type and a resource offset, the action code indicating that the M2M device performs a location update, the network access type indicating a resource allocation for a ranging request, the resource offset indicating an offset for an uplink assignment; and transmitting, by the M2M device, the ranging request to the base station by using the uplink assignment, wherein the paging message further includes a fixed M2M deregistration identifier (FMDID) which is a 16-bit identifier that uniquely identifies the M2M device in the domain of the base station, and wherein the ranging request is transmitted when the action code indicates a location update and the network access type indicates a resource allocation for the ranging request.