Patent ID: 8787478
Filing Date: 2014-07-22
Classification: H04B

Abstract:
1. A MIMO (Multiple-Input Multiple-Output) wireless communication system that uses a plurality of antennas to form a plurality of fixed transmission channels, the wireless communication system comprising: a transmitting section that performs MIMO spatial multiplexing as well as dual polarization transmission of transmitting two independent signals in the same band by using two mutually orthogonal polarizations of radio waves as signals to be transmitted from respective antennas on a transmitting side; and a receiving section that includes an interference canceller which performs signal processing for eliminating an interference component between the polarizations by adaptive control on signals received by respective antennas on a receiving side, and a MIMO signal processing circuit which performs signal processing for demultiplexing of the MIMO spatial multiplexing independent of the signal processing of the interference canceller, wherein the MIMO wireless communication system is a fixed system that performs deterministic MIMO transmission in a fixed line-of-sight environment, the plurality of fixed transmission channels are line-of-sight deterministic communication channels, and an installation spacing of the plurality of antennas is set so that signals transmitted from two antennas on the transmitting side are received by a single antenna on the receiving side with a predetermined phase difference, wherein the interference canceller and the MIMO signal processing circuit are connected in cascade and the MIMO signal processing circuit is arranged in a stage subsequent to the interference canceller.