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Single-Element Switched-Beam Antenna Utilizing a Radial-Basis Function Network

Pichaya Chaipanya and Sunisa Kunarak
Department of Electrical Engineering, Srinakharinwirot University, Nakhon Nayok 26120, Thailand
Abstract—This article presents beam switching at a mobile terminal using only a single-element antenna. There are eight different directions which are controlled by shorted and open circuits at the edge of a radiating patch. Shorted and open circuits were considered for use in a radial-basis function network to operate a suitable beam at a mobile terminal. The mean square error of beam selection was 5.31×10-33, which can confirm that the proposed radial-basis function network provides accuracy in selecting the main beam direction toward the cell site. Moreover, the article reveals that the performance in terms of SIR and channel capacity confirms a performance improvement when the proposed concept is utilized.
 
Index Terms—Switched beamforming, shorted circuit, neural network, radial basis function, mobile terminal

Cite: Pichaya Chaipanya and Sunisa Kunarak, "Single-Element Switched-Beam Antenna Utilizing a Radial-Basis Function Network," Journal of Communications, vol. 12, no. 11, pp.  630-635, 2017. Doi: 10.12720/jcm.12.11. 630-635.
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