Patent ID: 8824379

Claim:
A method of transmitting/receiving a signal in a communication system, the method comprising: receiving, by a first Relay Station(RS), data from a Base Station (BS) through a first frame interval, the first RS that is connected directly to the BS from among RSs belonging to a first RS group; and receiving, by a second RS, data from the BS through a second frame interval, the second RS that is connected directly to the BS from among RSs belonging to a second RS group, wherein a data is transmitted and received between the BS and the first RS belonging to the first RS group, between the second RS and at least one of a fourth RS belonging to the second RS group, and between the second RS and a second Mobile Station (MS) connected directly to the second RS through the first frame interval, and wherein a data is transmitted and received between the BS and the second RS belonging to the second RS group, between the first RS and at least one of a third RS belonging to the first RS group, and between the first RS and a first MS connected directly to the first RS through the second frame interval.