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May 13, 2026SensorsOpen Access

Dual-Polarized Isolation-Improved MIMO Inverted-F Antenna Through an L-Shaped Decoupler

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Authors

MHMohammed HassanAAAhmad H. Abdelgwad

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Overview

Randomized trial demonstrates improved port isolation in a dual-polarized MIMO antenna system, indicating enhanced performance for WLAN applications.

Key Points

  • The aim is to design a compact MIMO antenna system with dual polarization and strong isolation for WLAN applications.
  • Developed a prototype with two orthogonally positioned inverted-F antenna elements operating in the 2.4 GHz band.
  • Employed an L-shaped metallic parasitic element to reduce mutual coupling and enhance isolation.
  • Tested and validated the prototype against simulated data.
  • Achieved better than −30 dB port isolation (S21) at 2.4 GHz.
  • The antenna provided an efficiency of around −0.53 dB (89%) and a peak gain of 3.3 dBi at 2.4 GHz.
  • Demonstrated an exceptionally low envelope correlation coefficient (ECC) of approximately 0.0004 and diversity gain of nearly 10 dB.

Cite This Study

Hassan et al. (2026) studied this question.

synapsesocial.com/papers/6a04147679e20c90b4444792https://doi.org/10.3390/s26102999
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