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Highly Isolated 4-Port UWB Mimo Antenna for Next Generation Communication System

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  • Anila Hanif, Shahid Bashir, Anam Hanif

    (Electrical Engineering University of Engineering and Technology, Peshawar, Pakistan. Electrical Engineering Department, Wah Engineering College, University of Wah, Wah Cantt 47040, Pakistan)

Abstract

This paper presents the design, optimization, and performance analysis of a compact four-port ultra-wideband (UWB) MIMO antenna for next-generation high-frequency communication systems. The antenna is built on a Rogers RT Duroid 5880 substrate and operates effectively in the 12.5–55 GHz, range making it suitable for millimeter-wave 5G applications. A four-step design process is used to develop a single antenna element optimized for wide bandwidth and good impedance matching. Parametric studies on feedline length, inset depth, and ground structure help improve bandwidth and ensure strong radiation patterns. In the MIMO setup, four radiating elements are placed at right angles to each other to reduce mutual coupling. Additionally, a centrally located plus- shaped decoupling resonator is added to further improve isolation, especially at lower frequencies, enhancing overall antenna performance. Simulation results show excellent impedance matching, a very low envelope correlation coefficient (ECC 85 %) across the operating range. These findings confirm that the proposed MIMO antenna offers strong isolation (

Suggested Citation

  • Anila Hanif, Shahid Bashir, Anam Hanif, 2025. "Highly Isolated 4-Port UWB Mimo Antenna for Next Generation Communication System," International Journal of Innovations in Science & Technology, 50sea, vol. 7(7), pages 95-109, May.
    • Handle: RePEc:abq:ijist1:v:7:y:2025:i:7:p:95-109
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    References listed on IDEAS

    as
    1. Yusuf Olayinka Imam-Fulani & Nasir Faruk & Olugbenga A. Sowande & Abubakar Abdulkarim & Emmanuel Alozie & Aliyu D. Usman & Kayode S. Adewole & Abdulkarim A. Oloyede & Haruna Chiroma & Salisu Garba & A, 2023. "5G Frequency Standardization, Technologies, Channel Models, and Network Deployment: Advances, Challenges, and Future Directions," Sustainability, MDPI, vol. 15(6), pages 1-71, March.
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