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A 5.8 GHz π -Stub Decoupling Network for Receiving Antenna Arrays in Microwave Wireless Power Transmission

Author

Listed:
  • Xinyuan Li

    (School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Hui Xiao

    (School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Huaiqing Zhang

    (School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Zhewei Liu

    (School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Wenxiong Peng

    (School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

Abstract

In this paper, a 5.8 GHz π -stub decoupling network is proposed to improve the performance of a receiving antenna array (RAA) in microwave wireless power transmission (MWPT) systems. A set of general design formulas was derived for determining the electric parameters of the required π -stubs. To validate the new technique, a π -stub decoupling network was combined with RAAs. The simulated and measured results show that the performance of the RAA is greatly improved by loading the π -stub decoupling network. In addition, a miniaturized MWPT system was built. System-level measurements indicate that the novel decoupling network enhances the receiving power of the RAA by up to 36.4%. An extended application also shows the scalability and effectiveness of the network, implying its huge potential in large-scale receiving arrays.

Suggested Citation

  • Xinyuan Li & Hui Xiao & Huaiqing Zhang & Zhewei Liu & Wenxiong Peng, 2022. "A 5.8 GHz π -Stub Decoupling Network for Receiving Antenna Arrays in Microwave Wireless Power Transmission," Energies, MDPI, vol. 15(22), pages 1-13, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:22:p:8703-:d:977861
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    References listed on IDEAS

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    1. Aqeel Mahmood Jawad & Rosdiadee Nordin & Sadik Kamel Gharghan & Haider Mahmood Jawad & Mahamod Ismail, 2017. "Opportunities and Challenges for Near-Field Wireless Power Transfer: A Review," Energies, MDPI, vol. 10(7), pages 1-28, July.
    2. Qiang Chen & Xing Chen & Xin Duan, 2018. "Investigation on beam collection efficiency in microwave wireless power transmission," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 32(9), pages 1136-1151, June.
    3. Haiyue Wang & Lianwen Deng & Heng Luo & Junsa Du & Daohan Zhou & Shengxiang Huang, 2021. "Microwave Wireless Power Transfer System Based on a Frequency Reconfigurable Microstrip Patch Antenna Array," Energies, MDPI, vol. 14(2), pages 1-12, January.
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