Patent ID: 9537643
Date: 2017-01-03
CPC Classifications: H04L,H04W,Y02D

Claim:
1. A wireless transmit/receive unit (WTRU) comprising a processor and memory, the processor configured to: receive a radio resource control (RRC) connection reconfiguration message via a first component carrier, wherein the RRC connection reconfiguration message comprises a configuration for a second component carrier, the configuration for the second component carrier indicates a cell identity (ID) for the second component carrier and a carrier frequency for the second component carrier, and the configuration for the second component carrier assigns an identifier to the second component carrier that is used to refer to the second component carrier; receive a carrier activation medium access control (MAC) control element (CE), wherein the MAC CE comprises a bit combination field; and activate the second component carrier based on the identifier for the second component carrier assigned in the configuration for the second component carrier and the bit combination field of the MAC CE.