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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-04-03
Dual-Band CPW-Fed Circularly-Polarized Slot Antenna for Dmb/WiMAX Application
By
Feng-Xiang Wu,

    Dr. Feng-Xiang Wu

    Hui Ning NO.1 High School

    China

    Homepage

Wei-Mei Li,

    Dr. Wei-Mei Li

    Xidian University

    China

    Homepage

Si-Ming Zhang

    Dr. Si-Ming Zhang

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 30, 185-193, 2012
doi:10.2528/PIERL12022802 | Google Scholar

Abstract
A novel dual-band circularly-polarized slot antenna fed by a coplanar waveguide (CPW) is presented for digital multimedia broadcasting (2.6 GHz) and Worldwide Interoperability for Microwave Access (3.5 GHz) application. The circular polarization in the lower band is achieved by the slots loaded in two opposite corners, and corner truncation of the square slot can offer a current path for the upper band. Experimental results show that the measured impedance bandwidths (VSWR ≤ 2) are 18.5% for the lower band and 19.1% for the upper band, and the measured 3 dB axial-ratio bandwidths are 22.3% and 18.3%, with respect to 2.6 GHz and 3.5 GHz, respectively.
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Citation
Feng-Xiang Wu, Wei-Mei Li, and Si-Ming Zhang, "Dual-Band CPW-Fed Circularly-Polarized Slot Antenna for Dmb/WiMAX Application," Progress In Electromagnetics Research Letters, Vol. 30, 185-193, 2012.
doi:10.2528/PIERL12022802
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