Tathababu Addepalli, Anveshkumar Nella, K. J. Babu, B. Kumar
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Characteristic Mode Analysis of a Modified Circular Monopole UWB-MIMO Antenna
This paper presents a work on characteristic mode analysis (CMA) of a dual element modified circular monopole UWB MIMO antenna operating in a range of 3.1–10.6 GHz. Initially, the structure performance analysis is conducted using characteristic modes. Once the required modal significance performance parameter is obtained then the structure is designed to verify S-parameter performance. A good agreement is noted between CMA and S-parameter results. Proposed configuration also exhibits an isolation of more than 15dB, average radiation efficiency of 94% and stable gain characteristics, which indicate the suitability to UWB MIMO applications.
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