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2020-02-17

A Novel Dual Band-Notched CPW-Fed UWB MIMO Antenna with Mutual Coupling Reduction Characteristics

By Jingjing Zhang, Lingye Wang, and Wen Zhang
Progress In Electromagnetics Research Letters, Vol. 90, 21-28, 2020
doi:10.2528/PIERL19122703

Abstract

A novel dual band-notched CPW-fed UWB MIMO antenna with mutual coupling reduction characteristics is presented in this paper. The proposed antenna uses CPW feeding to expand the antenna bandwidth. The measured impedance bandwidth with S11 < -10 dB is 137% from 3 GHz to 16 GHz. The overall size of the antenna is 46 mm × 32 mm × 1.6 mm. In order to achieve the dual band-notched characteristics, a cup-shaped branch is added to the grounding plate, and a step impedance resonator (SIR) is added to the microstrip line.By adding periodic strip branches on the back of the antenna, the mutual coupling between the two antennas is significantly reduced, which meets the requirements of practical applications. In addition, the proposed antenna has a compact size and can provide a stable radiation pattern, which is suitable for UWB communication systems.

Citation


Jingjing Zhang, Lingye Wang, and Wen Zhang, "A Novel Dual Band-Notched CPW-Fed UWB MIMO Antenna with Mutual Coupling Reduction Characteristics," Progress In Electromagnetics Research Letters, Vol. 90, 21-28, 2020.
doi:10.2528/PIERL19122703
http://jpier.org/PIERL/pier.php?paper=19122703

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