Patent ID: 9319894
Filing Date: 2016-04-19
CPC Classification: H04W,Y02D

Claim Text:
1. A method of transmitting a power outage report at a machine-to-machine (M2M) device in a wireless communication system, the method comprising: receiving, from a base station, a first message including a predefined bandwidth request (BR) index and a corresponding BR action which is used in case of a three step BR procedure of the M2M device in a connected state, wherein the first message is a dynamic service addition (DSA) request message, and the predefined BR index is used to indicate an abnormal power outage in the M2M device in the connected state; transmitting, to the base station, a second message including the predefined BR index to indicate that the abnormal power outage has occurred in the M2M device; and starting a timer, after transmitting the second message, to wait for a third message including an acknowledgement of the second message from the base station within a predetermined time.