Patent ID: 9113496
Filing Date: 2015-08-18
Classification: H04B,H04W

Abstract:
1. A method for performing a relay operation by a terminal in a wireless access system, the method comprising: receiving a relay operation trigger signal from a base station, the relay operation trigger signal used for requesting terminals within a cell of the base station to provide the base station with information which is to be used by the base station to determine, among the terminals, a relay terminal that will perform the relay operation; transmitting a response signal to the base station, the response signal including the information requested by the base station, the information used by the base station to determine, among the terminals, the relay terminal that will perform the relay operation; receiving a first message including an indicator which instructs the terminal to perform the relay operation and a relay operation parameter from the base station; and performing the relay operation between the base station and a second terminal based on the received relay operation parameter, wherein the relay operation parameter is information that indicates a transmitting operation or a receiving operation in at least one of a downlink section and an uplink section in a frame, wherein the first message further includes switching period information that indicates switching of the transmitting operation or receiving operation determined by the relay operation parameter on a frame-by-frame basis or superframe-by-superframe basis, wherein the relay operation parameter indicates a receiving operation to receive data from the base station in a downlink section of a first frame, and the transmitting operation to transmit the data received in the downlink section of the first frame to the second terminal in a downlink section of a second frame, and wherein the downlink section is divided into a downlink access zone and a downlink relay zone, and a signal to be transmitted to the second terminal is received through the downlink relay zone.