Design of Multiple U-Shaped Slot Microstrip Patch Antenna in 5 GHz Band WLAN

Jeong-Min JU  Gyey-Teak JEONG  Joong-Han YOON  Cheol-Soon KIM  Hyung-Sup KIM  Kyung-Sup KWAK  

Publication
IEICE TRANSACTIONS on Communications   Vol.E88-B   No.2   pp.821-825
Publication Date: 2005/02/01
Online ISSN: 
DOI: 10.1093/ietcom/e88-b.2.821
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
Keyword: 
U-shaped slot microstrip patch antenna,  5 GHz band,  WLAN,  probe position,  

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Summary: 
In this study, a multiple U-shaped slot microstrip patch antenna for application to the 5 GHz band is designed and fabricated. To obtain sufficient bandwidth in the operating band, foam is inserted between the substrate and ground plane, the type of form is styrofoam, the coaxial probe source is used, and the position of the probe shift is adjusted from the center to the left. The measured result (5.02-5.955 GHz) of the fabricated antenna satisfies the conditions of VSWR < 2.0 in 5 GHz band (5.15-5.35 GHz, 5.47-5.725 GHz, 5.725-5.825 GHz), gain of 3.88-9.28 dBi, and broad radiation pattern.