Patent ID: 9155044
Filing Date: 2015-10-06
Classification: H04L,H04W,Y02D

Abstract:
1. A method of performing power management at a user equipment (UE) in a wireless communication system, the method comprising: configuring, by the UE, a DRX (Discontinuous Reception) cycle, the DRX cycle including a DRX ON duration and a DRX opportunity, wherein the same DRX ON duration is applied to all of two or more activated component carriers; and monitoring, by the UE, a PDCCH (Physical Downlink Control CHannel) for each of the two or more activated component carriers during the DRX ON duration of every DRX cycle, the two or more activated component carriers including an activated primary component carrier assigned to the UE and at least one activated non-primary component carrier assigned to the UE and excluding any deactivated non-primary component carriers assigned to the UE, wherein non-primary component carrier activation/deactivation is indicated using a field of Layer 2 (L2) message, the field having a fixed bit size regardless of a number of configured component carriers.