摘要：To realize smart antennas necessity with wideband in wireless communication systems, three main fundamental approaches are, (i) space-time signal processing, (ii) spatial-frequency signal processing (filtering of signals that overlay with noise in space and frequency), and (iii) spatial signal processing (beamforming). This research work deals with the spatial signal processing (beamforming) due to its spatial access to the radio channel through diverse approaches. This is based on directional specifications of the second order spatial analysis of communication radio channel. Space-time processing decreases the interference and improves the desired signal. In addition to beamforming, this research work also estimate the DOA arrays of smart antenna based on uniform linear array. Delay-and-sum beamformer response tuned to α for monochromatic plane has been established in this work. The results for the analysis and simulations shown validate the benefits of the proposed technique.
关键词：Antenna arrays;beamforming;DOA estimation;smart antenna;spatial filtering;spatial signal processing;MUSIC
