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A U-matched printed antenna for dual-band WiFi applications

Published online by Cambridge University Press:  15 July 2014

Churng-Jou Tsai  and
Bo-Yuan Tsai
Churng-Jou Tsai*
Affiliation:
Department of Computer and Communication, Kun Shan University, Tainan, Taiwan. Phone: +886-6-2050532
Bo-Yuan Tsai
Affiliation:
Department of Computer and Communication, Kun Shan University, Tainan, Taiwan. Phone: +886-6-2050532
*
Corresponding author: C.-J. Tsai Email: churngjoutsai@gmail.com
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Abstract

In this paper, a novel and compact center-fed dual-band WiFi printed antenna is presented. This antenna is designed using two different arms which correspond to the oscillation points of the dual band, and uses parasitic capacitance and U-shaped microstrip line to match and control the necessary bandwidth. The measured frequency bandwidth of this antenna is 2.3–2.61 GHz (310 MHz, 12.7%) at 2 GHz, and the high-frequency bandwidth is 4.82–5.84 GHz (1020 MHz, 19.1%) at 5 GHz, which meets the requirements for applications in global WiFi communication. This PCB antenna is double-sided, long, and narrow; its size is 7 × 45.9 × 1 mm3; it can be applied to wireless access point; and it has a near-omni-directional radiation pattern. The design, analysis, and measured results of this proposed antenna will be presented.

Keywords

WiFiAPU-matched printed line
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 7 , Issue 5 , October 2015 , pp. 551 - 556
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2014 

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References

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