Patent ID: 8204434
Filing Date: 2012-06-19
Classification: H04B,H04L

Abstract:
1. A relay comprising: a channel estimation unit configured to generate a first radio channel state matrix for a radio channel from a plurality of base station antennas to a plurality of relay antennas and a second radio channel state matrix for a radio channel from the plurality of relay antennas to a mobile station connected with the relay; a receiving unit configured to generate a receiving vector including mobile station data received from the mobile station and base station data received from the base station, the base station data being precoded in a base station based on the first and second radio channel state matrixes; a relay data generation unit configured to generate relay data including the mobile station data and the base station data based on the receiving vector and the second radio channel state matrix; and a transmission unit configured to transmit the relay data to the base station and the mobile station.