Patent ID: 8488538

Claim:
A method for transmitting, by a user equipment, an uplink control signal, the method comprising: receiving a first request for a channel quality indicator (CQI) from a base station in a first subframe, the first request indicating that the CQI is not to be transmitted in a second subframe which is a next subframe of the first subframe, the second subframe being a subframe where the CQI is to be transmitted periodically and an acknowledgement/nonacknowledgement (ACK/NACK) signal is to be transmitted; transmitting the ACK/NACK signal to the base station in the second subframe; receiving a second request for the CQI from the base station in the second subframe, the second request indicating that the CQI is to be transmitted in a third subframe which is a next subframe of the second subframe; transmitting the CQI to the base station in the third subframe.