Rabid Euclidean direction search algorithm for various adaptive array geometries

Aseel Abdul-Karim Qasim, Adheed Hassan Sallomi, ِAli Khalid Jassim


One of the exciting technologies used to meet the increasing demand for wireless communication services is a smart antenna. A smart antenna is basically confirmed by an array of antennas and a digital beamformer unit through which cellular base station can direct the beam toward the desired user and set nulls toward interfering users. In this paper, different array configurations (linear, circular, and planer) with the REDS algorithm are implemented in the digital beam-forming unit. The wireless system performance is investigated to check the smart antenna potentials assuming Rayleigh fading channel environment beside the AWGN channel. Results show how the REDS algorithm offers a significant improvement through antenna radiation pattern optimization, sidelobe level, and interference reduction, and also the RDES algorithm proves fast convergence with minimum MSE and better sidelobe level reduction comparing with other algorithms.



Array factor; Circular array; Linear array; Planar array; Rapid Euclidean direction search; Smart antenna

DOI: https://doi.org/10.11591/eei.v10i2.1899


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