Patent ID: 9276711
Filing Date: 2016-03-01
CPC Classification: H04L,H04W

Claim Text:
1. A communication method in a multi-carrier system, the method comprising: receiving, by a user equipment (UE), information regarding at least one assigned component carrier among a plurality of component carriers via a radio resource control (RRC) message from a base station; receiving, by the UE, activation control information regarding an active component carrier that is activated among the at least one assigned component carrier through a downlink control channel; and transmitting, by the UE, a reception acknowledgement for the activation control information through an uplink control channel, wherein the active component carrier is used by the UE to receive and/or transmit data, and wherein an interval for transmitting the reception acknowledgement is less than an interval for transmitting a hybrid automatic repeat request (HARQ) acknowledgement (ACK)/not-acknowledgement (NACK) signal.