Patent ID: 9300456
Filing Date: 2016-03-29
CPC Classification: H04L,H04W

Claim Text:
1. A method for receiving acknowledgement/negative acknowledgement (ACK/NACK) information transmitted in response to a downlink transmission in a base station (BS) of a wireless communication system, the method comprising: transmitting, by the BS to a relay node (RN), one or more relay physical downlink control channels (R-PDCCHs) for scheduling the downlink transmission; transmitting, by the BS to the RN, the downlink transmission according to the one or more R-PDCCHs in a downlink subframe set including M downlink subframes, where M is a positive integer greater than 1; and receiving, by the BS from the RN, ACK/NACK information for the downlink transmission in the downlink subframe set in one uplink subframe associated with the downlink subframe set, wherein the downlink subframe set and the uplink subframe are configured for a time division duplex (TDD), wherein the one or more R-PDCCHs are control channels different from a physical downlink control channel (PDCCH), wherein N physical uplink control channel (PUCCH) resources respectively having indexes wherein each of M PUCCH resources respectively having the indexes wherein each of the M downlink subframes associated with the one uplink subframe is sequentially mapped to each of the M PUCCH resources starting from a downlink subframe among the M downlink subframes that is closest in time to the one uplink subframe.