Efficient Co-channel Interference Suppression by Hybrid of Binomial Array and Uniform Linear Array

Abstract

Beamforming is a technique used to spatially separate signals that have overlapping or same frequency content but originating from different directions. In wireless communication, Base Transceiver stations (BTSs) are fixed at a certain location whereas Mobile stations (MSs) is mobile in the coverage area of the BTS. Therefore, in this work, the relative position of MSs with respect to BTS was used as the desired angle to make a strong beam in the desired direction and null in any other direction. This paper combines a Binomial Array and Uniform Linear Array which has a narrow beam width in the desired direction and null in any other Direction. Simulation results show that the hybrid array has improved signal to noise ratio by 25dB.