Patent ID: 9356756
Filing Date: 2016-05-31
CPC Classification: H04L,H04W

Claim Text:
1. A communication method of a base station supporting hybrid automatic repeat request (HARQ) in a communication system, the communication method comprising: transmitting, by a base station, control information related to a second component carrier on a first component carrier; receiving, by the base station, from a terminal, data in a subframe on the second component carrier based on the control information; and identifying, by the base station, a first subframe of the first component carrier, for transmitting a HARQ acknowledgement corresponding to the data, and a second subframe of the first component carrier, for transmitting scheduling information of the second component carrier, wherein the first subframe of the first component carrier and the second subframe of the first component carrier are matched to a same subframe based on an uplink reference uplink downlink configuration, the uplink reference uplink downlink configuration being determined based on an uplink downlink configuration of the first component carrier if a pair of an uplink downlink configuration of a first cell and an uplink downlink configuration of a second cell is a predetermined set.