期刊
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
卷 18, 期 2, 页码 1413-1452出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/COMST.2015.2499783
关键词
Wireless charging; wireless power transfer; inductive coupling; resonance coupling; RF/Microwave radiation; energy harvesting; Qi; PMA; A4WP; simultaneous wireless information and power transfer (SWIPT); energy beamforming; wireless powered communication network (WPCN); Magnetic MIMO; Witricity
资金
- National Research Foundation of Korea (NRF) - Korean government (MSIP) [2014R1A5A1011478]
- Singapore MOE [RG18/13, RG33/12, MOE2014-T2-2-015 ARC 4/15]
- U.S. National Science Foundation [US NSF CCF-1456921, CNS-1443917, ECCS-1405121, NSFC 61428101]
Wireless charging is a technology of transmitting power through an air gap to electrical devices for the purpose of energy replenishment. The recent progress in wireless charging techniques and development of commercial products have provided a promising alternative way to address the energy bottleneck of conventionally portable battery-powered devices. However, the incorporation of wireless charging into the existing wireless communication systems also brings along a series of challenging issues with regard to implementation, scheduling, and power management. In this paper, we present a comprehensive overview of wireless charging techniques, the developments in technical standards, and their recent advances in network applications. In particular, with regard to network applications, we review the static charger scheduling strategies, mobile charger dispatch strategies and wireless charger deployment strategies. Additionally, we discuss open issues and challenges in implementing wireless charging technologies. Finally, we envision some practical future network applications of wireless charging.
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