A Small Dual-Band CPW-Fed Monopole Antenna for GSM and WLAN Applications

A unique and miniaturized dual-band coplanar waveguide (CPW)-fed antenna is presented. The proposed antenna comprises a rectangular patch that is surrounded by upper and lower ground-plane sections that are interconnected by a high-impedance microstrip line. The proposed antenna structure generates...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2013, Vol.12, p.508-511
Main Authors: Naser-Moghadasi, M., Sadeghzadeh, R., Asadpor, L., Virdee, B. S.
Format: Article
Language:English
Subjects:
Antenna measurements
Dual band
Dual-band antenna
ground-plane structure
GSM
Microstrip
Microstrip antennas
monopole antenna
Wi-Fi/WLAN
Wireless LAN
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Summary:A unique and miniaturized dual-band coplanar waveguide (CPW)-fed antenna is presented. The proposed antenna comprises a rectangular patch that is surrounded by upper and lower ground-plane sections that are interconnected by a high-impedance microstrip line. The proposed antenna structure generates two separate impedance bandwidths to cover frequency bands of GSM and Wi-Fi/WLAN. The antenna realized is relatively small in size (17\times 20\ {\hbox{mm}}^{2}) and operates over frequency ranges 1.60-1.85 and 4.95-5.80 GHz, making it suitable for GSM and Wi-Fi/WLAN applications. In addition, the antenna is circularly polarized in the GSM band. Experimental results show the antenna exhibits monopole-like radiation characteristics and a good antenna gain over its operating bands. The measured and simulated results presented show good agreement.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2013.2256456