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This paper presents a novel design of an Ultra-Wideband (UWB) Multiple Input and Multiple Output (MIMO) antenna system, featuring a rectangular parasitic element for improved isolation. Utilizing CST software simulations, the radiator, constructed on a FR-4 substrate, demonstrates impressive S parameters across a wide bandwidth of 4.6–16 GHz. The insertion of the rectangular slot consistently achieves isolation levels below −22 dB, enhancing performance in diverse communication scenarios. Notably, the antenna exhibits a diversity gain (DG) of 9.999 dB and a low envelope correlation coefficient (ECC) of 0.006, highlighting its suitability for high data rates and reliable connectivity in next-generation wireless networks.

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Design of a MIMO Antenna for UWB Applications

  • 会议论文

  • 发表日期：

    2026年

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  • V. N. Koteswara Rao Devana,
  • G. Lakshmi Durga,
  • K. Jithendra,
  • K. Sanjay Gowtham,
  • S. Kumar,
  • Ch V. Ravi Sankar

摘要

This paper presents a novel design of an Ultra-Wideband (UWB) Multiple Input and Multiple Output (MIMO) antenna system, featuring a rectangular parasitic element for improved isolation. Utilizing CST software simulations, the radiator, constructed on a FR-4 substrate, demonstrates impressive S parameters across a wide bandwidth of 4.6–16 GHz. The insertion of the rectangular slot consistently achieves isolation levels below −22 dB, enhancing performance in diverse communication scenarios. Notably, the antenna exhibits a diversity gain (DG) of 9.999 dB and a low envelope correlation coefficient (ECC) of 0.006, highlighting its suitability for high data rates and reliable connectivity in next-generation wireless networks.