Patent ID: 9402230
Filing Date: 2016-07-26
CPC Classification: H04L,H04W,Y02D

Claim Text:
1. A system for transmitting Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK) information in a communication system in which two carriers are configured, the system comprising: a base station, configured to transmit data on the two carriers at the same time; and a user equipment, configured to receive the data from the base station, encode a codeword of the two carriers, and transmit the encoded codeword of the two carriers to the base station; wherein the codeword represents encoded HARQ-ACK information of a first carrier and a second carrier according to an encoding scheme of dual-carrier configured with Multiple-Input Multiple-Output (DC-MIMO), wherein the encoding scheme of DC-MIMO is as follows: and wherein D represents discontinuous transmission (DTX), A represents Acknowledgement (ACK), N represents Negative Acknowledgement (NACK), AA represents ACK_ACK, AN represents ACK_NACK, NA represents NACK_ACK, and NN represents NACK_NACK.