Smart Patch Antenna for Indoor Mobile Wireless Computing
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Author(s)
Lu, J
Ireland, DJ
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Wei Hong, Tie Jun Chi, Dagang Fang
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Suzhou, China
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Abstract
Two types of circular-polarized smart patch antenna arrays, namely patch antenna with seven hexagonal elements (PASHE) and patch antenna with seven circular elements (PASCE) for indoor mobile wireless computing are investigated. A comparison between simulated and measured reflection coefficient was made with consistent results. The finite element method (FEM) and optimization using a gradient algorithm was carried out to optimize these patch antennas' physical structures on a finite ground plane to achieve optimal directivity in elevation plane and antenna gain at 2.4GHz operating frequency. Switched parasitic technique enables the two patch antennas to steer a directional beam through six locations in azimuth with elevation of approximately 65ࠦor the former and 70ࠦor the latter respectively. The low profile and low cost characteristics along with the simplistic beam control system of these smart patch antennas are ideal prototypes for commercialization
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Asia-Pacific Microwave Conference Proceedings, APMC
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3
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