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Hybrid Power Divider and Combiner for Passive RFID Tag Wireless Energy Harvesting

Zafar, Muazzam and Ekpo, Sunday and George, Jeena and Sheedy, Paul and Uko, Mfonobong and Gibson, Andy (2021) Hybrid Power Divider and Combiner for Passive RFID Tag Wireless Energy Harvesting. IEEE Access, 10. pp. 502-515.


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This paper presents three- and five-ports radio frequency (R.F) hybrid power divider combiner (HPDC) designs with multiband characteristics operating at 2.4 GHz (ISM, IEEE 802.11b,g); 5.8 GHz (IEEE 802.11n, a and 802.11ac); and 6 GHz (IEEE 802.11ax) wireless standards for energy-efficient 5G-enabled passive Internet of Things (IoTs) sensors; energy harvesting (E.H); passive radio frequency identification (RFID) tags; multiple-input multiple-output (MIMO) antenna beamforming; and data communication applications spanning D.C to the 6-GHz frequency range. The presented HPDC designs operate at a centre-design frequency of 3 GHz on a Rogers RO4350 substrate. The designed novel HPDC demonstrates a good match between the ports, high isolation between the output ports, and equal power distribution between the output ports. Furthermore, the obtained return and isolation losses are less than -10 dB for the Wi-Fi 6E standards. The reported findings hold an excellent promise for R.F energy harvesting and utilisation, adaptive intelligent energy-efficient data communication, and seamless, ubiquitous satellite-cellular convergence connectivity applications.

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