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Antipodal vivaldi array MIMO antenna for 5G FR2 applications at 28 GHz with improved isolation

  • Ramysree Golla EMAIL logo and Suman Nelaturi
Published/Copyright: March 5, 2024
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Frequenz
From the journal Frequenz Volume 78 Issue 7-8

Abstract

This paper proposed a two port antipodal vivaldi antenna (AVA) for 5G FR2 (frequency range 2) applications at 28 GHz with improved bandwidth,gain and isolation. Each antenna consists of two array elements. The proposed antenna has dimensions 23.8 × 54 × 0.79 mm3 and is fabricated on Rogers RT/Duroid 5880 material. This material has a 2.2 low dielectric constant and mainly suitable for broadband high frequency applications. Proposed antenna covers −10 dB below from 25.51 to 33 GHz band, which having 7.49 GHz bandwidth. Gain for the presented MIMO (Multiple input multiple output) AVA array is varying from 8.50 to 12.44 dBi. A better isolation −34.56 dB is obtained between two antenna elements. MIMO characteristics like ECC (Envelope correlation coefficient), CCL (Channel capacity loss), DG (Diversity Gain), TARC (Total active reflection coefficient), and MEG (Mean effective gain) are satisfied with good results for presented antenna. The proposed antenna is designed using ansys HFSS simulation tool.

Keywords: antipodal vivaldi antenna (AVA); frequency range 2; multiple input multiple output; TARC
Corresponding author: Ramysree Golla, Department Electronics and Communication Engineering, VFSTR, Vadlamudi, Guntur, Andhra Pradesh, India, E-mail:

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Competing interests: The authors state no conflict of interest.

  5. Research funding: None declared.

  6. Data availability: Not applicable.

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Received: 2023-11-06
Accepted: 2024-02-14
Published Online: 2024-03-05
Published in Print: 2024-08-27

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Research Articles
  3. New indoor propagation model proposed for future B5G/6G rollout
  4. A miniaturized dual band pass frequency selective surface insensitive to oblique angles and polarizations of wave
  5. Design and equivalent circuit modelling of super compact ultrathin metamaterial absorber for microwave frequency Regime
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  7. Design and investigation of cavity backed bowtie antenna with unidirectional radiation pattern using characteristic mode analysis
  8. A compact dual-element UWB-MIMO antenna with single band-notched characteristics
  9. Design and analysis of four leaf clover shaped MIMO antenna for Sub-6 GHz V2X applications
  10. The design and decoupling of TX/RX antenna with omnidirectional conical beam operating at V band
  11. Integration of two dual-port substrate integrated waveguide based MIMO antennas on a common substrate for 5G millimeter wave applications
  12. Antipodal vivaldi array MIMO antenna for 5G FR2 applications at 28 GHz with improved isolation
https://doi.org/10.1515/freq-2023-0399
Keywords for this article
antipodal vivaldi antenna (AVA); frequency range 2; multiple input multiple output; TARC

Articles in the same Issue

  1. Frontmatter
  2. Research Articles
  3. New indoor propagation model proposed for future B5G/6G rollout
  4. A miniaturized dual band pass frequency selective surface insensitive to oblique angles and polarizations of wave
  5. Design and equivalent circuit modelling of super compact ultrathin metamaterial absorber for microwave frequency Regime
  6. 3D printed circularly polarized implantable antenna with wideband impedance matching
  7. Design and investigation of cavity backed bowtie antenna with unidirectional radiation pattern using characteristic mode analysis
  8. A compact dual-element UWB-MIMO antenna with single band-notched characteristics
  9. Design and analysis of four leaf clover shaped MIMO antenna for Sub-6 GHz V2X applications
  10. The design and decoupling of TX/RX antenna with omnidirectional conical beam operating at V band
  11. Integration of two dual-port substrate integrated waveguide based MIMO antennas on a common substrate for 5G millimeter wave applications
  12. Antipodal vivaldi array MIMO antenna for 5G FR2 applications at 28 GHz with improved isolation
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