Patent ID: 9357334
Filing Date: 2016-05-31
CPC Classification: H04W

Claim Text:
1. A method for performing network reentry by a Machine to Machine (M2M) device in a wireless communication system, the method comprising: receiving, by the M2M device, information associated with an uplink resource allocation for transmitting a ranging request message from a base station; and transmitting, by the M2M device, the ranging request message to the base station based on the received information associated with the uplink resource allocation, wherein the information associated with the uplink resource allocation is masked with a random access identifier (RA-ID) and the RA-ID includes an index representing that the uplink resource allocation is dedicated to the M2M device, wherein the index is set to one of ‘0b01’ and ‘0b10,’ and wherein the index in the RA-ID for a dynamic non-synchronous channel (NS-RCH) is set to a value which is not used for representing the uplink resource allocation is dedicated to the M2M device.