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T8: Wireless Information and Energy Transfer in the Era of 6G Communications
Co-Organizer: Ioannis Krikidis, University of Cyprus, Cyprus
Co-Organizer: Constantinos Psomas, University of Cyprus, Cyprus
Abstract: Conventional energy-constrained wireless systems such as sensor networks are powered by batteries and have limited lifetime. Wireless power transfer (WPT) is a promising technology for energy sustainable networks, where terminals can harvest energy from dedicated electromagnetic radiation through appropriate electronic circuits.
The integration of WPT technology into communication networks introduces a fundamental co-existence of information and energy flows; radio-frequency signals are used in order to convey information and/or energy. The efficient management of these two flows through sophisticated networking protocols, signal processing/communication techniques and network architectures, gives rise to a new communication paradigm called wireless powered communications (WPC).
In this tutorial, we discuss the principles of WPC and we highlight its main network architectures as well as the fundamental trade-off between information and energy transfer. Several examples, which deal with the integration of WPC in modern communication systems, are presented. Specifically, we study some fundamental network structures such as the MIMO broadcast channel, the interference channel, the relay channel, the multiple-access channel, and ad-hoc networks. The integration of WPC in 6G and beyond is analyzed and discussed through the use of tools from stochastic geometry. Future research directions and challenges are also pointed out.
Bio: Dr. Ioannis Krikidis received the diploma in Computer Engineering from the Computer Engineering and Informatics Department (CEID) of the University of Patras, Greece, in 2000, and the M.Sc and Ph.D degrees from Ecole Nationale Superieure des Telecommunications (ENST), Paris, France, in 2001 and 2005, respectively, all in electrical engineering. From 2006 to 2007 he worked, as a Post-Doctoral researcher, with ENST, Paris, France, and from 2007 to 2010 he was a Research Fellow in the School of Engineering and Electronics at the University of Edinburgh, Edinburgh, UK. He is currently an Associate Professor at the Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprus. He is an IEEE Fellow for contributions to full-duplex radio and wireless-powered communications. His current research interests include wireless communications, cooperative networks, 4G/5G communication systems, wireless powered communications, and secrecy communications. Dr. Krikidis serves as an Associate Editor for IEEE Transactions on Communications, IEEE Transactions on Green Communications and Networking, and IEEE Wireless Communications Letters. He has published over 250 papers in scientific journals and international conferences. He was the recipient of the Research Award Young Researcher from the Research Promotion Foundation, Cyprus, in 2013, as well as the recipient of the IEEE ComSoc Best Young Professional Award in Academia in 2016. He has been recognized by Thomson Reuters as an ISI Highly Cited Researcher 2017 to 2021.
Bio: Dr. Constantinos Psomas holds a BSc (Hons) in Computer Science and Mathematics from Royal Holloway, University of London, an MSc in Applicable Mathematics from London School of Economics, and a PhD in Mathematics (Combinatorics) from the Open University, UK. From 2011 to 2014, he worked as a Postdoctoral Researcher at the Department of Electrical Engineering, Computer Engineering and Informatics of the Cyprus University of Technology. Since 2014, he has held a postdoctoral position at the Department of Electrical and Computer Engineering of the University of Cyprus. Dr. Psomas serves as an Associate Editor for the IEEE Wireless Communications Letters and the Frontiers in Communications and Networks. He received an Exemplary Reviewer certificate by the IEEE Transactions on Communications for 2020 and by the IEEE Wireless Communications Letters for 2015 and 2018. His current research interests include wireless powered communications, cooperative networks and full-duplex communications.