Patent ID: 9019884
Filing Date: 2015-04-28
Classification: H04L,H04W,Y02D

Abstract:
1. A method of controlling a receiver in a wireless device, the method comprising: controlling the receiver during a plurality of awake periods and a plurality of sleep periods, the awake periods alternating in time with the sleep periods, such that the receiver is on during each of the awake periods, and the receiver is off for at least some of the sleep periods; receiving, during one of the awake periods, signaling that defines an uplink transmission resource, the transmission resource allocated during a portion of a sleep period, wherein the signaling that defines the uplink transmission resource is an uplink grant over a control channel, and wherein the uplink grant is received using at least one layer 1 control channel element; controlling the receiver to be on during the portion of the sleep period; monitoring, during the portion of the sleep period, for signaling that defines an additional uplink transmission resource, and in the event such signaling is received, controlling the receiver to be on for an additional portion of a sleep period; starting or restarting a timer responsive to receiving signaling that defines the uplink transmission resource, wherein the timer is an inactivity timer; and controlling the receiver to be on as long as the timer has not expired.