Dual-Band Wi-Fi Antenna With a Ground Stub for Bandwidth Enhancement

Dual-Band Wi-Fi Antenna With a Ground Stub for Bandwidth Enhancement

Design of a compact modified inverted-L antenna with a ground stub is proposed for Wi-Fi applications. With the ground stub structure, the impedance bandwidth for 2.45-GHz band enhances from 13.1% to 15.7%, and the impedance bandwidth for 5.2/5.8-GHz bands improves from 10.1% to 19.9%. The performan...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2012, Vol.11, p.1036-1039
Hauptverfasser: Gye-Taek Jeong, Woo-Su Kim, Kyung-Sup Kwak
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
Antennas
Bandwidth
Bandwidth enhancement
dual-band antenna
ground stub
IEEE 802.11 Standards
Impedance
Wi-Fi applications
Wireless communication
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Zusammenfassung:Design of a compact modified inverted-L antenna with a ground stub is proposed for Wi-Fi applications. With the ground stub structure, the impedance bandwidth for 2.45-GHz band enhances from 13.1% to 15.7%, and the impedance bandwidth for 5.2/5.8-GHz bands improves from 10.1% to 19.9%. The performances of the antenna with optimized parameters are characterized in terms of reflection coefficient, gain, and radiation pattern measurements in an anechoic chamber. The measured result satisfies Wi-Fi frequency specifications.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2012.2214755