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Beam-steering in a three-element circular antenna-array
Published online by Cambridge University Press: 14 March 2014
Abstract
A simple and volume efficient circular antenna-array design with a low profile programmable beam rotation mechanism was presented. The proper selections of the rotation vector and the excitation coefficients of rectangular array-elements were made for rotation of the beam. The proposed rotation mechanism was capable to rotate the radiation pattern at any desired speed and to transmit in any desired direction, and the design included the ease of construction. Although simulating the radiation pattern using FEKO EM simulator, two basic functions, the power splitter and the introduction of phase difference, were included in feed network of microstrip circuit to divide the power and then individually feeding the each patch after introducing the desired phase difference.
- Type
- Research Papers
- Information
- International Journal of Microwave and Wireless Technologies , Volume 7 , Issue 1 , February 2015 , pp. 45 - 51
- Copyright
- Copyright © Cambridge University Press and the European Microwave Association 2014