Optimization of SLL in Concentric Circular Antenna Array using DE/BBO
N. Venkateswara Rao1, J. L. N. S. S. Mangatayaru2
1N. Venkateswara Rao, Department of Electronics and Communication Engineering, SRKR Engineering College, Bhimavaram (Andhra Pradesh), India.
2J. L. N. S. S. Mangatayaru, Department of Electronics and Communication Engineering, SRKR Engineering College, Bhimavaram (Andhra Pradesh), India.
Manuscript received on 11 May 2019 | Revised Manuscript received on 05 June 2019 | Manuscript Published on 15 June 2019 | PP: 12-15 | Volume-8 Issue-1S3 June 2019 | Retrieval Number: A10030681S319/2019©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: In this paper, optimization of sidelobe level (SLL) of concentric circular antenna array is done using Hybrid differential evolution with Biogeography based optimization (DE/BBO) method. The concentric circular antenna arrays (CCAA) are used in mobile and communication applications. The reduction of SLL is needed to ensure that energy going in unwanted directions is greatly reduced and noise received from unwanted directions is eliminated. A trade-off between SLL and beamwidth exists in conventional optimization methods. Using random stochastic techniques like GA, PSO, BBO etc., SLL can be reduced without any appreciable effect on beamwidth. The SLL of CCAA is optimized using DE/BBO, BBO, PSO and GA methods and the results obtained are compared.
Keywords: Antenna Arrays, Beamwidth, Optimization Technique, Sidelobe Level.
Scope of the Article: Waveform Optimization for Wireless Power Transfer