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A Dual-Band Dual-Feed Switched-Beam Patch Antenna for WLAN Application
Jukkrit TAGAPANIJ Pobsook SOOKSUMRARN Tanawut TANTISOPHARAK Suwan JANIN Monai KRAIRIKSH
IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation)
dual-band antenna, dual-feed patch antenna, switched-beam patch antenna, WLAN,
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Due to the demand of dual-band modern wireless communications, this paper presents a dual-band patch antenna for IEEE802.11 a and g wireless local area network (WLAN) system. The antenna has bidirectional patterns that can be switched by an RF switch to select the feeding probe positions. The 2.4 GHz and 5.2 GHz patches are stacked on a ground plane and are matched to the RF switch by open stubs. Analysis and design are illustrated and throughput improvement is demonstrated in an indoor environment.