A Dual-Band Dual-Feed Switched-Beam Patch Antenna for WLAN Application

Jukkrit TAGAPANIJ; Pobsook SOOKSUMRARN; Tanawut TANTISOPHARAK; Suwan JANIN; Monai KRAIRIKSH

doi:10.1093/ietcom/e91-b.6.1791

Special Section on 2007 International Symposium on Antennas and Propagation

A Dual-Band Dual-Feed Switched-Beam Patch Antenna for WLAN Application

Jukkrit TAGAPANIJ, Pobsook SOOKSUMRARN, Tanawut TANTISOPHARAK, Suwan JANIN, Monai KRAIRIKSH

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Keywords: dual-band antenna, dual-feed patch antenna, switched-beam patch antenna, WLAN

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2008 Volume E91.B Issue 6 Pages 1791-1799

DOI https://doi.org/10.1093/ietcom/e91-b.6.1791

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Abstract

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 2.4GHz and 5.2GHz 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.

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