An Overview of SWIPT Circuits and Systems

doi:10.12142/ZTECOM.202202003

ZTE Communications ›› 2022, Vol. 20 ›› Issue (2): 13-18.DOI: 10.12142/ZTECOM.202202003

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An Overview of SWIPT Circuits and Systems

TORRES Ricardo^1,²(), MATOS Diogo^1,², PEREIRA Felisberto^2,⁵, CORREIA Ricardo^2,^3,⁴, CARVALHO Nuno Borges^1,²

^1.Department of Electronics, telecommunications and information, University of Aveiro, Aveiro 3810, Portugal
^2.Institute of Telecommunications, Aveiro 3800, Portugal
^3.CISeD?Research Center in Digital Services, Polytechnic of Viseu, Viseu 3500, Portugal
^4.Sinuta SA. , Estarreja 3860, Portugal
^5.AlmaScience Colab, Madan Parque, Caparica 2829-516, Portugal

Received:2022-04-18 Online:2022-06-25 Published:2022-05-24
About author:Ricardo TORRES (ricardo.torres@ua.pt) received the MS degree in electronics and telecommunications engineering in 2020 from University of Aveiro, Portugal, where he is currently working towards the PhD degree. He has been a researcher with Institute of Telecommunications, Portugal since 2019 and his main research interest include microwave electronic circuits, backscatter communication, and software-defined radio.|Diogo MATOS received the MS degree in electronics and telecommunications engineering in 2018 from the University of Aveiro, Portugal, where he is working toward the PhD degree. He was a hardware electrical design engineer in EVOLEO Technologies, Portugal. His current research interests include wireless power transfer, energy harvesting, wireless passive sensors for space applications, backscatter communications, and MMIC design. He is a member of the IEEE Microwave Theory and Techniques Society. He is also a reviewer of IEEE Transactions on Microwave Theory and Techniques.|Felisberto PEREIRA received the MS and PhD degrees in electrical engineering from University of Aveiro, Portugal, in 2017 and 2021, respectively. Currently he works as a senior researcher at Almascience, Portugal, a company focused on paper electronics. From 2017 to 2021 he was a researcher at Institute of Telecommunications, Portugal. His research interests include the areas of sensors, energy harvesting and backscatter communications. PEREIRA published more than 15 scientific works, including five publications in peer-reviewed international journals. He also won three awards in international conferences regarding wireless power transfer and backscatter technologies.|Ricardo CORREIA received the MS degree in electronics and telecommunications engineering from the University of Aveiro, Portugal in 2009, and the PhD degree in electrical engineering at University of Aveiro, Portugal in 2019. He was an automation and electrical engineer and a researcher in embedded systems and signal processing. He is currently a researcher at Sinuta SA, Portugal, where he works on the transmission and reception system of electronically oriented signals for next generation satellite constellations. He is also a collaborator at the Institute of Telecommunications, University of Aveiro. His current research interests include wireless power transfer, energy harvesting, wireless passive sensors for space applications, and low power communications. Mr. CORREIA is a member of the IEEE Microwave Theory and Techniques Society. He is also a reviewer for the IET Microwaves, Antennas and Propagation, Wireless Power Transfer Journal and the IEEE Transactions on Microwave Theory and Techniques. He was a recipient of the 2016 URSI/ANACOM Prize awarded by the URSI Portuguese Section and Portuguese National Authority of Communications. He won the second prize in the PhD category of 2019 Fraunhofer Portugal challenge.|Nuno Borges CARVALHO received the doctoral degree in electronics and telecommunications engineering from the University of Aveiro, Portugal in 2000, respectively. He is currently a full professor and a senior research scientist with the Institute of Telecommunications, University of Aveiro and an IEEE Fellow. He coauthored Intermodulation in Microwave and Wireless Circuits (Artech House, 2003), Microwave and Wireless Measurement Techniques (Cambridge University Press, 2013), White Space Communication Technologies (Cambridge University Press, 2014), and Wireless Power Transmission for Sustainable Electronics (Wiley, 2020). He has been a reviewer and author of over 200 papers in magazines and conferences. He is the editor in chief of the Cambridge Wireless Power Transfer Journal, an associate editor of the IEEE Microwave Magazine and former associate editor of the IEEE Transactions on Microwave Theory and Techniques and IET Microwaves Antennas and Propagation Journal. He is the co-inventor of six patents. His main research interests include software-defined radio front-ends, wireless power transmission, nonlinear distortion analysis in microwave/wireless circuits and systems, and measurement of nonlinear phenomena. He has recently been involved in the design of dedicated radios and systems for newly emerging wireless technologies. Dr. CARVALHO is a member of the IEEE MTT ADCOM, the past-chair of the IEEE Portuguese Section, MTT-20 and MTT-11 and the member ofthe technical committees, MTT-24 and MTT-26. He is also the Chair of the URSI Commission A (Metrology Group). He was the recipient of the 1995 University of Aveiro and the Portuguese Engineering Association Prize for the best 1995 student at the University of Aveiro, the 1998 Student Paper Competition (Third Place) of the IEEE Microwave Theory and Techniques Society (IEEE MTTS) International Microwave Symposium (IMS), and the 2000 IEEE Measurement Prize. He is a distinguished lecturer for the RFID-council and was a distinguished microwave lecturer for the IEEE Microwave Theory and Techniques Society. In 2022 he is the IEEE-MTT President-Elect.
Supported by:
FCT/MCTES through national funds and EU funds under the project UIDB/50008/2020?UIDP/50008/2020

Abstract

Abstract:

From a circuit implementation perspective, this paper presents a brief overview of simultaneous wireless information and power transmission (SWIPT). By using zero-power batteryless wireless sensors, SWIPT mixes wireless power transmission with wireless communications to allow the truly practical implementation of the Internet of Things as well as many other applications. In this paper, technical backgrounds, problem formation, state-of-the-art solutions, circuit implementation examples, and system integrations of SWIPT are presented.

Key words: simultaneous wireless information and power transmission (SWIPT) systems, backscatter communication, low power communication

TORRES Ricardo, MATOS Diogo, PEREIRA Felisberto, CORREIA Ricardo, CARVALHO Nuno Borges. An Overview of SWIPT Circuits and Systems[J]. ZTE Communications, 2022, 20(2): 13-18.

Figures/Tables 7

Figure 1 RF-DC block diagram circuit for different scenarios, where L1=0.12 nH, C1=2.7 pF, Lstub 1=372 μm, Wstub 1=90 μm, WD1=WD2=10 (No of fingers), with the chip area of 1 400 μm×1 000 μm[9]

Figure 2 (a) Microscopic photograph of the chip, (b) on-chip scenario prototype, and (c) fully assembled circuit prototype[9]

Figure 3 Photograph of the 16-quadrature amplitude modulation (QAM) backscatter circuit[12]

Figure 4 BiCMOS high-order backscatter modulator, in which C1=385.117 fF, L1 = 0.3 nH, C2 = 30.012 fF, R = 100 Ω, with the chip area of 0.92 mm2[13]

Figure 5 Real ambient FM measurements setup[15]

Figure 6 Photo of digital backscatter prototype[16]

Figure 7 Photograph of implemented system with backscatter modulator combined with wireless power transfer (WPT), element values of which are L1 = 21.2 mm, W1=1.87 mm, L2=15.1 mm, W2=1.0 mm, L3=21.9 mm, W3=0.8 mm, L4=11.3 mm, W4=1.87 mm, L5=17.1 mm, W5=1.2 mm, and L6=6.7 mm[17]

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An Overview of SWIPT Circuits and Systems

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