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Design of Compact Quad-Band Notched UWB-MIMO Antenna

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Abstract

With quad-notched band characteristic, a compact ultra-wideband (UWB) multiple-input-multiple-output antenna is proposed in the article. There are two identical monopole elements in the system. By inserting symmetrical L-shaped slots, complementary split-ring resonators) and C-shaped stubs in each element, four notched bands are achieved to filter 3.5 GHz WiMAX, 5.25 GHz lower WLAN, 5.8 GHz upper WLAN, and 7.5 GHz X-band. Without decoupling structures, the antennas were placed vertically to obtain high isolation. Results indicate that the antenna operates from 2.6 to 13 GHz except four rejected bands, and port isolation (S21) is better than −25 dB, envelope correlation coefficient is below 0.002 in UWB spectrum frequency of 3.1–10.6 GHz.

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Authors and Affiliations

  1. College of Physical Science and Technology, Huazhong Normal University, No. 152 Luoyu Road, Wuhan, 430070, Hubei, People’s Republic of China

    Ling Wu, Yingqing Xia & Xia Cao

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  1. Ling Wu
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  2. Yingqing Xia
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  3. Xia Cao
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Correspondence to Ling Wu.

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Wu, L., Xia, Y. & Cao, X. Design of Compact Quad-Band Notched UWB-MIMO Antenna. Wireless Pers Commun 98, 225–236 (2018). https://doi.org/10.1007/s11277-017-4865-0

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  • DOI: https://doi.org/10.1007/s11277-017-4865-0

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