Patent ID: 8533553

Claim:
A method for transmitting information of ACK/NACK (Acknowledgement/Negative ACK) sequence at a receiver in a wireless communication system, the method comprising: receiving a plurality of data from a transmitter; determining one ACK/NACK sequence including ACKs/NACKs corresponding to each of the plurality of data; if two or more ACKs are included in the ACK/NACK sequence, selecting a combination of a first HARQ (Hybrid Automatic Repeat reQuest) transmission resource and a first modulation symbol corresponding to a certain ACK of the two or more ACKs, and selecting a combination of a second HARQ transmission resource and a second modulation symbol corresponding to ACKs other than the certain ACK of the two or more ACKs; and transmitting each of the first modulation symbol and the second modulation symbol to the transmitter using the first HARQ transmission resource and the second HARQ transmission resource, respectively.