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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2019-07-21
Dual-Band Microstrip Filtering Antennas with Symmetrical Slots
By
Jianfang Deng,

    Dr. Jianfang Deng

    Institute of Railway Technology

    China

    Homepage

Lanping Feng

    Dr. Lanping Feng

    Asiainfo Technology (Nanjing) Co. Ltd

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 86, 13-19, 2019
doi:10.2528/PIERL19050404 | Google Scholar

Abstract
Two dual-band microstrip antennas with filtering responses are proposed in this letter. By introducing symmetrical slots (One is a U-shaped slot, and the other is an inverted H-shaped slot) at the edge of rectangle patches, additional resonant modes are induced, and both of the antennas have dual operation bands. More importantly, extra radiation nulls are observed between the two bands. In addition, the proposed antennas are fed by microstrip lines with two pairs of symmetrical open stubs, which offer two more radiation nulls at low frequencies. Thus, dual-band filtering responses for the proposed antennas are obtained. Simulated and measured results show good agreements with unidirectional radiation patterns, as well as high selectivity of realized gains.
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Citation
Jianfang Deng, and Lanping Feng, "Dual-Band Microstrip Filtering Antennas with Symmetrical Slots," Progress In Electromagnetics Research Letters, Vol. 86, 13-19, 2019.
doi:10.2528/PIERL19050404
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