Journal of Electronic Science and Technology, Volume. 22, Issue 4, 100288(2024)

Dual-band and high-isolation shared-aperture antenna for broadband airborne applications

Yuan Zhang1,2, Dong-Jun Wang3, Chuan Wu1,3, Qiang-Ming Cai4, Run-Ren Zhang5, Rong-Qiang Li3, Peng Gao2, and Yan-Wen Zhao1、*
Author Affiliations
  • 1School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China
  • 2AVIC Chengdu Aircraft Industrial (Group) Co., Ltd., Chengdu, 610091, China
  • 3Electronic Engineering College, Chengdu University of Information Technology, Chengdu, 610225, China
  • 4School of Information Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
  • 5Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708, USA
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    Figures & Tables(13)
    Schematic diagram of airborne composite antenna structure: (a) perspective view of antenna, (b) front view of antenna, and (c) back view of antenna (unit: mm).
    S-parameter of the S-band antenna.
    2D radiation pattern of the S-band antenna in the xy-plane.
    S-parameter of the 5G band antenna.
    Effect of the MTM structure on the isolation between antenna elements: (a) isolation between S-band and 5G band MIMO antenna elements and (b) isolation between 5G band MIMO antenna elements.
    Comparison of the current distribution of MIMO antenna at 4.85 GHz: (a) without and (b) with open loop.
    Effect of the ground plane radius on MIMO antenna performance: (a) S-band antenna and (b) 5G antenna elements A2 and A3.
    Photos of the fabricated antenna: (a) front view, (b) back view, and (c) measurement.
    Reflection coefficient of the S-band antenna.
    S-parameters of the MIMO antennas in the 5G frequency band: (a) reflection coefficient of MIMO antenna elements, (b) isolation between MIMO antenna elements, and (c) isolation between S-band antenna and 5G band MIMO antenna elements.
    Radiation pattern of the S-band antenna in the xy-plane at 2.3 GHz.
    Radiation pattern of MIMO antenna at 4.85 GHz: (a) antenna A2, (b) antenna A3, (c) antenna A4, and (d) antenna A5.
    Envelope correlation coefficient of the antenna.
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    Yuan Zhang, Dong-Jun Wang, Chuan Wu, Qiang-Ming Cai, Run-Ren Zhang, Rong-Qiang Li, Peng Gao, Yan-Wen Zhao. Dual-band and high-isolation shared-aperture antenna for broadband airborne applications[J]. Journal of Electronic Science and Technology, 2024, 22(4): 100288

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    Paper Information

    Category:

    Received: Jul. 13, 2024

    Accepted: Oct. 27, 2024

    Published Online: Jan. 23, 2025

    The Author Email: Zhao Yan-Wen (ywzhao@uestc.edu.cn)

    DOI:10.1016/j.jnlest.2024.100288

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