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T-shaped monopole antenna with shorted L-shaped strip-sleeves for WLAN 2.4/5.8-GHz operation

✍ Scribed by Jeun-Wen Wu; Yau-Der Wang; Hai-Ming Hsiao; Jui-Han Lu

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
464 KB
Volume
46
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A novel dual‐broadband T‐shaped monopole antenna with dual shorted L‐shaped strip‐sleeves for 2.4/5.8‐GHz wireless local area networks (WLANs) is proposed. Dual L‐shaped strip‐sleeves to be shorted with the ground plane are introduced in order to excite the upper resonant mode for operation at the 5.8‐GHz band. The obtained impedance bandwidths reach about 35% for the 2.4‐GHz band and 10.0% for the 5.8‐GHz band, which meets the required bandwidth specifications of the IEEE 802.11a/b/g standards. The measured peak antenna gains for the operating frequencies across dual WLAN bands are measured to be 3.4 and 1.0 dBi, respectively, with gain variations within 0.8 dBi. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 46: 65–69, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20903

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