Dual-band multiple-input multiple-output antenna based on half split cylindrical dielectric resonator

Abhishek Sharma, Anirban Sarkar, Animesh Biswas and M. Jaleel Akhtar

Journal of Electromagnetic Waves and Applications, 2018, vol. 32, issue 9, 1152-1163

Abstract: In this article, a dual-band half split cylindrical dielectric resonator antenna is proposed for multiple-input multiple-output (MIMO) applications. The dual-band operation is achieved by simultaneously exciting TE01δ$ \text{ TE}_{01\delta } $ and TE02δ$ \text{ TE}_{02\delta } $ modes in an aperture coupled fed half split cylindrical dielectric resonator. The topology of four element MIMO antenna is such that it provides both spatial and polarization diversities. Over both the operating bands, the measured port-to-port isolation is better than 20 dB. The proposed antenna exhibits broadside radiation with cross polarization level below -15$ -15 $ dB in both xz- and yz-plane. The peak gain of antenna is 4.88 and 5.32 dBi at lower and upper operating frequency, respectively. The MIMO performance of the proposed antenna is found to be good with ECC

Date: 2018
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DOI: 10.1080/09205071.2018.1425159

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