Switched Parasitic Patch Antenna Array Using Thirteen Hexagonal Shaped Elements
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Stark, Anthony
Thiel, David
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Su, D
Yan, Z
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Kunming, PEOPLES R CHINA
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Abstract
A novel circularly polarized smart patch antenna array with hexagonal elements was designed as a hub for indoor/outdoor mobile wireless computing networks. A frequency domain finite element method (FEM) was employed to design the patch antenna array using an optimization technique based on the gradient algorithm to optimize the physical structure on a finite ground plane for optimal directivity in elevation plane and antenna gain at 2.4GHz. The switched parasitic element technique was used to enable steering through six locations in azimuth with an elevation angle of between 60ꠡnd 70ꮠThe single-feed circularly polarized patch antenna array with thirteen-element configuration achieved the highest frequency bandwidth. A comparison between simulated and measured reflection coefficients and radiation patterns was made with consistent results.
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ISAPE 2008: THE 8TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY, PROCEEDINGS, VOLS 1-3
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© 2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Antennas and propagation