Patent ID: 8483116
Filing Date: 2013-07-09
Classification: H04B,H04L

Abstract:
1. An operating method of a Relay Station (RS) in a wireless relay communication system, the method comprising: receiving first data from an upper node; transmitting the first data to a first lower node; receiving second data from the upper node; transmitting the second data to a second lower node; receiving a plurality of acknowledgement information items from at least one of the first lower node and the second lower node, in response to receipt of at least one of the first data and the second data from the RS; transmitting the received plurality of acknowledgement information items to the upper node at a same time corresponding to a single transmission time frame, wherein each of the plurality of acknowledgement information items comprises an Acknowledgement (ACK) or a Negative ACK (NACK) generated in response to data transmitted to at least one of the first lower node and the second lower node, and wherein transmitting the plurality of acknowledgement information items to the upper node comprises: confirming control channel information for transmitting the plurality of acknowledgement information items, wherein the control channel information is provided from the upper node; confirming regions allocated for unique IDentifiers (IDs) of the lower nodes based on the control channel information; and transmitting the plurality of acknowledgement information items to the upper node at the same time using regions confirmed in the control channel information and by allocating the plurality of acknowledgement information items to the regions allocated for the lower nodes.