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Lotus flower-shaped 4/8-element MIMO antenna for 5G n77 and n78 band applications

Author

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  • Tathababu Addepalli
  • Jagadeesh Babu Kamili
  • Kiran Kumar Bandi
  • Anveshkumar Nella
  • Manish Sharma

Abstract

This paper reports a 4 × 4 and 8 × 8 MIMO antenna configuration on FR4 substrate occupying the area of 1.43λo × 1.43λo mm2 (f = 3.58 GHz) and 2.14λo × 2.14λo mm2 (f = 3.50 GHz). The proposed design is exclusively developed for 5G: n77/n78 wireless band applications. The MIMO antenna comprises of Lotus-shaped radiating element with DGS (defected-ground-structure) in-ground and the addition of slits providing boresight radiation. All the radiating elements are placed orthogonally in a 4 × 4 configuration while pairs of antennas are also placed in the same fashion for 8 × 8 MIMO antenna configuration. The high isolation of more than 16 dB is achieved by using a novel decoupling structure in the ground. Also, the MIMO antenna are characterized with diversity performance including ECC, DG, TARC, CCL and MEG achieving permissible values of

Suggested Citation

  • Tathababu Addepalli & Jagadeesh Babu Kamili & Kiran Kumar Bandi & Anveshkumar Nella & Manish Sharma, 2022. "Lotus flower-shaped 4/8-element MIMO antenna for 5G n77 and n78 band applications," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 36(10), pages 1404-1422, July.
    • Handle: RePEc:taf:tewaxx:v:36:y:2022:i:10:p:1404-1422
    DOI: 10.1080/09205071.2022.2028683
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