Patent ID: 9668248
Date: 2017-05-30
CPC Classifications: H04L,H04W

Claim:
1. A method for transmitting ACK/NACK information by a Relay Node (RN) configured with a Physical Uplink Control Channel (PUCCH) format 3 in a wireless communication system, the method comprising: receiving, from a base station, a backhaul downlink transmission in a downlink subframe set including M Multicast Broadcast Single Frequency Network (MBSFN) subframes, wherein M≧1; determining a PUCCH format and a PUCCH resource in which ACK/NACK information for the backhaul downlink transmission is to be transmitted; and transmitting, to the base station, the ACK/NACK information in an uplink subframe by using the PUCCH format and the PUCCH resource, wherein when one Physical Downlink Shared Channel (PDSCH) is received within the downlink subframe set, the ACK/NACK information is transmitted by using a PUCCH format 1a/1b and the PUCCH resource is determined according to a higher layer configuration.