... comprising a source node with LM transmit antennas, a relay node with KN antennas, and a destination node with LM antennas In this case, the power constraints at the source and relay are LP and KP, ... k (3) MIMO RELAY TECHNIQUES In this paper, we assume that each relay node knows the CSI of its own backward and forward channels However, we not allow source nodes, relay nodes, and destination ... interests cover the wireless network systems, relay networks, multiple- input and multiple- output (MIMO) transmission, and information theory issues He is a Member of IEEE and IEICE Takahiro Asai...