Patent ID: 9608775
Date: 2017-03-28
CPC Classifications: H04L,H04W

Claim:
1. A method for transmitting a signal by a base station in a wireless communication system, the method comprising: transmitting a first message including a first uplink/downlink (UL/DL) configuration for a primary cell to a terminal; transmitting a second message including a second UL/DL configuration for a secondary cell to a terminal; transmitting a first physical downlink shared channel (PDSCH) on a first subframe of the secondary cell based on the second UL/DL configuration to a terminal; and receiving a hybrid automatic repeat request-acknowledge (HARQ-ACK) corresponding to the first PDSCH on a second subframe of the primary cell from the terminal, wherein timing of the HARQ-ACK for the secondary cell is determined based on the first UL/DL configuration.