Measurements and Characterization of a Newly Developed Novel Miniature WIPT System
Verma S. Rano D. Malhotra S. Hashmi M.S.
2021Institute of Electrical and Electronics Engineers Inc.
IEEE Transactions on Instrumentation and Measurement
2021#70
This article reports, for the first time, the design and experimental evaluation of a compact wireless information and power transfer (WIPT) system operating at radio frequency (RF). The design of WIPT system is facilitated by the development of a novel tri-band defected ground structure (DGS) based bandstop filter (BSF) operating at three different frequencies of 300, 433, and 700 MHz. Then, two similar BSFs are arranged in a back-to-back configuration to achieve near-field resonant inductive coupling for transfer of information and power. The measurement carried out on a prototyped system shows an excellent agreement between the measured and simulation results and provides power transfer efficiencies of 70.1%, 66%, and 65% at 300, 433, and 700 MHz, respectively, at a separation distance of 23 mm. These figures are a significant advancement over the existing state of the art. Furthermore, up-link and down-link of data transfer at 433 and 700 MHz are demonstrated using universal software radio peripheral (USRP), and power transfer is shown by illuminating a light emitting diode (LED) at 300 MHz.
Band-stop filter (BSF) , defected ground structure (DGS) , universal software radio peripheral (USRP) , wireless information and power transfer (WIPT)
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Indraprastha Institute of Information Technology (IIIT) Delhi, New Delhi, 110020, India
HSE University, Moscow, 101000, Russian Federation
KTH Royal Institute of Technology, Stockholm, 114 28, Sweden
School of Engineering and Digital Sciences, Nazarbayev University, Nur Sultan, 010000, Kazakhstan
IIIT Delhi, New Delhi, 110020, India
Indraprastha Institute of Information Technology (IIIT) Delhi
HSE University
KTH Royal Institute of Technology
School of Engineering and Digital Sciences
IIIT Delhi
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