Reducing Self-Interference in Multi-Antenna Systems

Abstract

A computer-implemented method can be performed by a system or computer to reduce self-interference from a transmitter array at a receiver array. The method comprises generating a set of beamforming antenna pairs by selecting at least two non-identical antenna pairs from transmitter antennas within the transmitter array or from receiver antennas within the receiver array. The method also includes determining a null space of the self-interference at the receiver array comprising null space vectors of the respective beamforming antenna pairs. Additionally, the method includes determining beamforming coefficients for the respective antennas within the set of beamforming antenna pairs that reduce self-interference at the receiver array based on a linear combination of the null space vectors of the respective beamforming antenna pairs.

Dependencies are inferred from the claim text.