Reference : Experimental evaluation of RF waveform designs for Wireless Power Transfer using Soft...
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
Security, Reliability and Trust
http://hdl.handle.net/10993/48203
Experimental evaluation of RF waveform designs for Wireless Power Transfer using Software Defined Radio
English
Gautam, Sumit mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
Kumar, Sumit mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
Chatzinotas, Symeon mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
Ottersten, Björn mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
22-Sep-2021
IEEE Access
Institute of Electrical and Electronics Engineers
9
132609 - 132622
Yes (verified by ORBilu)
International
2169-3536
Piscataway
NJ
[en] Fifth Generation-New Radio (5G-NR) ; Long Term Evolution (LTE) ; RF-Energy Harvesting, Universal Software Radio Peripheral (USRP) - Software Defined Radio (SDR) ; Wireless Power Transfer (WPT)
[en] The possibility to harvest energy from ambient radio-frequency (RF) sources has intrigued humankind for the past several decades. In this context, there has been a tremendously growing research interest in the field of wireless power transfer (WPT) using the RF range of the electromagnetic (EM) spectrum. In this paper, we experimentally investigate the aspect of real-time energy harvesting (EH) via different types of waveform designs such as orthogonal frequency division multiplexing (OFDM), square, triangular, sinusoidal, and sawtooth. We make use of a Software Defined Radio (SDR) and a Powercast P21XXCSR-EVB EH module to carry out the experiments on a practical device to assess performance. Specifically, we are interested in obtaining some insights based on the comparison between the aforementioned waveform designs from the perspectives of the separation distance between the USRP and P21XXCSR-EVB EH module, and power emission via USRP. In this vein, we perform additional subsequent experiments after reporting the practical effectiveness of the OFDM waveform, which also follows our intuitive analysis. Correspondingly, we study the effect on WPT with variable USRP transmit power, the separation distance between the USRP and EH antennas, number of OFDM sub-carriers, and multipath setting. As an application of OFDM, the effectiveness of fifth generation-new radio (5G-NR) and long-term evolution (LTE) waveforms are also tested for the WPT mechanism. The demonstration of the EH is provided in terms of the above-mentioned investigation metrics while seeking the best waveform to support WPT.
Researchers ; Professionals ; Students ; General public ; Others
http://hdl.handle.net/10993/48204
10.1109/ACCESS.2021.3115048
https://ieeexplore.ieee.org/document/9546771
FnR ; FNR11037543 > Bjorn Ottersten > InWIPNET > Integrated Wireless Information And Power Networks > 01/10/2016 > 30/09/2020 > 2015

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