Design of dual band four port circularly polarized MIMO DRA for WLAN/WiMAX applications

Ajay Kumar Dwivedi, Anand Sharma, Ashutosh Kumar Singh and Vivek Singh

Journal of Electromagnetic Waves and Applications, 2020, vol. 34, issue 15, 1990-2009

Abstract: This article presents a circularly polarized 4-port Multiple Inputs Multiple Outputs dielectric resonator-based antenna with two resonating bands for WLAN (5.0 GHz) and WiMAX (3.5 GHz) applications. Important attributes of proposed MIMO-DRA are: (i) Bandwidth enhancement is observed due to the use of ring-shaped ceramic material radiator; (ii) Incorporation of rectangular aperture lead to excite the dual hybrid mode in ring DRA, which helps to support dual-frequency range (iii) Circular polarization is achieved in both operating bands by conversion of rectangular to Z-shaped slot; and (iv) mutual coupling among port

Date: 2020
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DOI: 10.1080/09205071.2020.1801522

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