METHOD AND APPARATUS FOR TRANSMITTING ACK/NACK IN A WIRELESS COMMUNICATION SYSTEM BASED ON TDD

摘要

Provided is a method for transmitting ACK/NACK in a wireless communication system based on time division duplex (TDD), in which M (M>2) number of downlink subframes are connected to an uplink subframe in each of two serving cells. The method comprises the steps of: receiving M number of downlink subframes connected to an uplink subframe n, in each of the two serving cells; determining four candidate resources based on the M number of downlink subframes received in the two serving cells; and transmitting an ASK/NASK response to the M number of downlink subframes received in each of the two serving cells by using one resource selected from the four candidate resources in the uplink subframe n, wherein the two serving cells are composed of a first serving cell and a second serving cell, first and second resources of the four candidate resources relate to a physical downlink shared channel (PDSCH) received in the first serving cell or an SPS released PDCCH which releases antistatic scheduling, and third and fourth resources relate to PDSCH received in the second serving cell.