Patent ID: 9628984
Date: 2017-04-18
CPC Classifications: H04L,H04W

Claim:
1. A method of operating a plurality of carriers by a user equipment (UE) in a wireless communication system, the method comprising: transmitting, to a base station (BS), capability information indicating a number of carriers supported by the UE; receiving, from the BS, carrier configuration information, the carrier configuration information including information related to at least one secondary carrier configured for the UE, the carrier configuration information being based upon the capability information, the plurality of carriers including a primary carrier being different from the secondary carrier, the primary carrier being configured as a carrier for performing a network entry procedure; receiving control information from the BS through the primary carrier; and receiving a message during the network entry procedure, the message indicating that the primary carrier configured for the UE is changed, wherein the primary carrier is only changed with the network entry procedure.