PIER Letters
Progress In Electromagnetics Research Letters
ISSN: 1937-6480
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By J. Yao, F.-S. Zhang, X. Q. Jiao, and H. Bai

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A tri-band slotted F-shaped antenna with dual-polarization characteristics for wireless applications is presented. The crooked gap and F-shaped monopole are optimized to achieve tri-band operation of 2.4, 3.5 and 5.8 GHz with -10 dB impedance bandwidths of 20%, 14.1%, and 13.6%, respectively. Furthermore, by properly inserting an F-shaped strip on the wide-slot ground, the circular polarization (CP) with a 19% (3.3-4 GHz) 3dB axial ratio bandwidth is obtained. The proposed antenna has a compact dimension of 42×40×1.6 mm3. A prototype of the antenna is fabricated and tested, and an agreement with simulated results is obtained.

J. Yao, F.-S. Zhang, X. Q. Jiao, and H. Bai, "Tri-Band Slotted F-Shaped Antenna with Dual-Polarization Characteristics for WLAN/WiMAX Applications," Progress In Electromagnetics Research Letters, Vol. 40, 181-190, 2013.

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