Patent ID: 8050213
Filing Date: 2011-11-01
Classification: H04B,H04W

Abstract:
1. A method for relaying a signal in a wireless communication system, the method comprising: receiving in at least one of a base station and a relay station information regarding a mobile station group (MSG) of a mobile station, wherein the MSG comprises a group of neighboring mobile stations from which the mobile station is capable of successfully receiving uplink transmissions; scheduling within a given duration uplink information to be transmitted from a first mobile station and downlink information to be transmitted to at least one mobile station, wherein the first mobile station is in each of the at least one mobile station's MSG; receiving in a relay station the uplink information transmitted from the first mobile station and the downlink information to be transmitted to the at least one mobile station within the given duration; network coding the uplink information and the downlink information in the relay station by applying an exclusive-or (XOR) operation to a network-coded packet including the uplink information and the downlink information; and transmitting from the relay station the network-coded packet comprising a network-coded version of the uplink information from the first mobile station and the downlink information to be transmitted to the at least one mobile station, wherein the network-coded packet can be received by the base station and the at least one mobile station.