Integrated wireless communications and wireless power transfer: An overview |
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| Institution: | 1. Tianjin Key Laboratory of Wireless Mobile Communications and Power Transmission, Tianjin Normal University, Tianjin 300387, China;2. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin 300387, China;3. School of Communications and Information Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China;1. Department of Electronics and Communications, National Institute of Technology Karnataka, Surathkal, India;2. Smart IOPS solutions Pvt. Ltd, Bengaluru, India;1. Electronics and Communications, National Institute of Technology Karnataka, Surathkal, India;2. Smart IOPS solutions Pvt Ltd., Bengaluru, India;1. Tianjin Key laboratory of Wireless Mobile Communications and Power Transmission, Tianjin Normal University, Tianjin 300387, China;2. Deviser Instrument Co., Tianjin 300384, China;3. Department of Electrical and Electronic Engineering, University of Strathclyde, G1 1XW, United Kingdom;4. State Key Laboratory of Precise Measurement Technology and Instrument, Tianjin University, 300074, China;1. Department of Electrical & Computer Engineering, University of Patras, Greece;2. Division of Computer Science and Informatics, London South Bank University, United Kingdom |
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| Abstract: | As an important application of the fifth generation (5G) mobile communication systems, Internet of Things (IoT) has attracted worldwide research interests. Since most of the communication devices in IoT are powered by batteries, these devices always have limited operation time. Wireless power transfer (WPT) technology, which can transfer power over a wireless medium (without any wires), can avoid the need to manually replace or recharge the batteries of the wireless devices in IoT. For electromagnetic (EM) radiation-based WPT, since radio-frequency (RF) signals that transport energy can at the same time be used for wireless communications, integrated wireless communications and WPT becomes a new research area which has attracted great research interests. In this paper, we first introduce two main research paradigms for integrated wireless communications and WPT, i.e., simultaneous wireless information and power transfer (SWIPT) and wireless-powered communication network (WPCN). Then we provide an overview of the state-of-the-art of both SWIPT and WPCN, respectively. Finally, we point out the new and challenging future research direction. |
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| Keywords: | Wireless power transfer Simultaneous wireless information and power transfer Wireless-powered communication network |
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