Patent ID: 7525939
Filing Date: 2009-04-28
Classification: H04B,H04W

Abstract:
1. A wireless communication system for delivering a transmission signal from a desired source node among multiple source nodes via a relay node toward a target destination node, wherein the relay node comprises: a first unitary matrix estimation unit configured to estimate a first unitary matrix by performing singular value decomposition using one or more channel matrices generated based only on signals propagated between the relay node and said multiple source nodes other than the desired source node; a second unitary matrix estimation unit configured to estimate a second unitary matrix by performing singular value decomposition using one of more channel matrices generated based only on signals propagated between the relay node and multiple destination nodes other than the target destination node; and a transmission unit configured to transmit a relaying signal, generated by multiplying a received signal by the first and second unitary matrices, to the target destination node; wherein the destination node detects a transmission signal, transmitted from the desired source node, from the received relaying signal.