Solar/EM energy harvester for autonomous operation of a monitoring sensor platform
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Author Bio:
Kyriaki Niotaki was born in Crete, Greece. She received the B.S. in Informatics and M.S. in Telecommunications, from the Aristotle University of Thessaloniki in 2009 and 2011, respectively. Since December 2011, she is a research assistant with the Centre Tecnologic de Telecomunicacions de Catalunya, Castelldefels, Spain, in the area of microwave systems and nanotechnology. Her main areas of interest include energy-harvesting solutions and the design of highly efficient power amplifiers.
Francesco Giuppi was born in Pavia in 1983. He achieved the M.S. degree in Electronic Engineering at the University of Pavia in April 2008. Afterwards, he joined the Department of Electronics of the University of Pavia as a Ph.D. student in Microwave Electronics. During his Ph.D., he worked at the development of active antennas in substrate-integrated waveguide (SIW) technology. From March 2012 until August 2013, he was a post-doc at the Centre Tecnologic de Telecomunicacions de Catalunya, Castelldefels (Spain) under the Marie Curie Industry-Academia Pathways and Partnerships project Symbiotic Wireless Autonomous Powered system (SWAP).
Apostolos Georgiadis was born in Thessaloniki, Greece. He received the B.S. degree in Physics and M.S. degree in Telecommunications from the Aristotle University of Thessaloniki, Greece, in 1993 and 1996, respectively. He received the Ph.D. degree in electrical engineering from the University of Massachusetts at Amherst, in 2002. He is currently a Senior Researcher at Centre Technologic de Telecomunicacions de Catalunya where he is leading the group of Microwave Systems and Nanotechnology and he is involved in active antennas and antenna arrays and more recently with RFID technology and energy harvesting. Dr. Georgiadis the Chair of the IEEE MTT-S TC-24 RFID Technologies and Member of IEEE MTT-S TC-26 Wireless Energy Transfer and Conversion. He serves at the Editorial board of the Radioengineering Journal and as an Associate Editor of the IEEE Microwave and Wireless Components Letters and IET Microwaves Antennas and Propagation Journals. He is Editor-in-Chief of the Wireless Power Transfer Journal by Cambridge University Press.
Ana Collado received the M.Sc. and Ph.D. degrees in Telecommunications Engineering from the University of Cantabria, Spain, in 2002 and 2007, respectively. She is currently a Senior Research Associate and the Project Management Coordinator at the Centre Tecnologic de Telecomunicacions de Catalunya (CTTC), Barcelona, Spain where she performs her professional activities. Her professional interests include active antennas, substrate integrated waveguide structures, nonlinear circuit design, and energy harvesting and wireless power transmission (WPT) solutions for self-sustainable and energy efficient systems. She has participated in several national and international research projects and has co-authored over 70 papers in journals and conferences. She is a Marie Curie Fellow of the FP7 project Symbiotic Wireless Autonomous Powered system (SWAP). She serves in the Editorial Board of the Radioengineering Journal and she is currently an Associate Editor of the IEEE Microwave Magazine and a member of the IEEE MTT-26 Technical Committee
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Corresponding author:
K. Niotaki Email: kniotaki@cttc.es
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Abstract
In this paper, a hybrid solar/electromagnetic (EM) energy harvester that operates at 2.45 GHz is presented. The proposed harvester integrates the solar cells in the same area as the rectenna element obtaining a compact implementation. The radiating element that forms part of the rectenna is a cavity-backed slot antenna based on substrate-integrated waveguide technology, which allows for a compact, single substrate implementation. The radiating element is connected to a circuit that provides both the rectification of the incoming EM signals and the collection of DC energy coming from solar cells. A single-substrate prototype has been implemented, demonstrating an overall power conversion efficiency up to 30%, depending on the incoming radio frequency signal level and the ambient light conditions.
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Niotaki K, Giuppi F, Georgiadis A, Collado A. 2014. Solar/EM energy harvester for autonomous operation of a monitoring sensor platform. Wireless Power Transfer 1(1): 44-50 doi: 10.1017/wpt.2014.6
Niotaki K, Giuppi F, Georgiadis A, Collado A. 2014. Solar/EM energy harvester for autonomous operation of a monitoring sensor platform. Wireless Power Transfer 1(1): 44-50 doi: 10.1017/wpt.2014.6
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