A method of transmitting control information through a physical uplink shared channel (PUSCH) without data, wherein the control information includes acknowledgement (ACK)/negative acknowledgement (NACK) information, the method comprising:channel encoding the ACK/NACK information based on a number of encoded symbols of the ACK/NACK information to produce channel encoded ACK/NACK information,wherein the number of encoded symbols of the ACK/NACK information is determined in accordance with the following relationship:whereMA/N is the number of the encoded symbols of the ACK/NACK information,NA/N is an ACK/NACK information size,βoffset is an offset value,NCQI is an information size related to channel quality information (CQI),MREPUSCH is a size of resources for the PUSCH transmission, and“┌┐” denotes a ceiling function.
