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To enable electric vehicles (EVs) to access to the internet of intelligent vehicles (IoIV), charging EVs wirelessly anytime and anywhere becomes an urgent need. The resonant beam charging (RBC) technology can provide high-power and…

Systems and Control · Computer Science 2018-09-26 Qingqing Zhang , Mingqing Liu , Xing Lin , Qingwen Liu , Jun Wu , Pengfei Xia

Internet of things (IoT) is powering up smart cities by connecting all kinds of electronic devices. The power supply problem of IoT devices constitutes a major challenge in current IoT development, due to the poor battery endurance as well…

Signal Processing · Electrical Eng. & Systems 2020-04-29 Qingqing Zhang , Gang Wang , Jie Chen , Georgios B. Giannakis , Qingwen Liu

Resonant beam charging (RBC) can realize wireless power transfer (WPT) from a transmitter to multiple receivers via resonant beams. The adaptive RBC (ARBC) can effectively improve its energy utilization. In order to support multi-user WPT…

Signal Processing · Electrical Eng. & Systems 2018-09-27 Mingliang Xiong , Mingqing Liu , Qingqing Zhang , Qingwen Liu , Jun Wu , Pengfei Xia

Power supply for Internet of Things (IoT) devices is one of the bottlenecks in IoT development. To provide perpetual power supply to IoT devices, resonant beam charging (RBC) is a promising safe, long-range and high-power wireless power…

Signal Processing · Electrical Eng. & Systems 2018-07-17 Wei Wang , Qingqing Zhang , Hua Lin , Mingqing Liu , Xiaoyan Liang , Qingwen Liu

Resonant Beam Charging (RBC) is the Wireless Power Transfer (WPT) technology, which can provide high-power, long-distance, mobile, and safe wireless charging for Internet of Things (IoT) devices. Supporting multiple IoT devices charging…

Networking and Internet Architecture · Computer Science 2020-04-15 Wen Fang , Gang Wang , Georgios B. Giannakis , Qingwen Liu , Xin Wang , Hao Deng

Resonant Beam Charging (RBC) is the Wireless Power Transfer (WPT) technology, which can provide high-power, long-distance, mobile, and safe wireless charging for Internet of Things (IoT) devices. Supporting multiple IoT devices charging…

Systems and Control · Computer Science 2018-09-26 Wen Fang , Qingqing Zhang , Qingwen Liu , Jun Wu , Pengfei Xia

Wireless Energy Transfer (WET) has recently emerged as an appealing solution for power supplying mobile / Internet of Things (IoT) devices. As an enabling WET technology, Resonant Beam Charging (RBC) is well-documented for its long-range,…

Emerging Technologies · Computer Science 2020-04-21 Mingqing Liu , Gang Wang , Georgios B. Giannakis , Mingliang Xiong , Qingwen Liu , Hao Deng

Resonant Beam Charging (RBC) is a promising Wireless Power Transfer (WPT) technology to provide long-range, high-power, mobile and safe wireless power for the Internet of Things (IoT) devices. The Point-to-Multipoint (PtMP) RBC system can…

Systems and Control · Computer Science 2018-09-26 Wen Fang , Qingqing Zhang , Mingqing Liu , Qingwen Liu , Pengfei Xia

Resonant Beam Charging (RBC) is a promising multi-Watt and multi-meter wireless power transfer method with safety, mobility and simultaneously-charging capability. However, RBC system operation relies on information availability including…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Aozhou Wu , Qingqing Zhang , Wen Fang , Hao Deng , Sai Jiang , Qingwen Liu

With the development of Internet of Things (IoT), demands of power and data for IoT devices increase drastically. In order to resolve the supply-demand contradiction, simultaneous wireless information and power transfer (SWIPT) has been…

Emerging Technologies · Computer Science 2024-01-05 Yunfeng Bai , Qingwen Liu , Xin Wang , Yudan Gou , Bin Zhou , Zhiyong Bu

Resonant Beam Charging (RBC) is a wireless charging technology which supports multi-watt power transfer over meter-level distance. The features of safety, mobility and simultaneous charging capability enable RBC to charge multiple mobile…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Hao Li , Aozhou Wu , Wen Fang , Qingqing Zhang , Mingqing Liu , Qingwen Liu , Wei Chen

Wireless power transfer (WPT) prolongs the lifetime of wireless sensor network by providing sustainable power supply to the distributed sensor nodes (SNs) via electromagnetic waves. To improve the energy transfer efficiency in a large WPT…

Information Theory · Computer Science 2016-11-15 Zhe Wang , Lingjie Duan , Rui Zhang

High communication speed and sufficient energy supply are the directions of technological development. Energy and information available anywhere and anytime has always been people's good wishes. On this basis, resonant beam system (RBS) has…

Networking and Internet Architecture · Computer Science 2021-08-31 Jie Zhou , Mingliang Xiong , Mingqing Liu , Qingwen Liu , Shengli Zhou

Integrating the wireless power transfer (WPT) technology into the wireless communication system has been important for operational cost saving and power-hungry problem solving of electronic devices. In this paper, we propose a resonant beam…

Systems and Control · Electrical Eng. & Systems 2021-07-28 Wen Fang , Hao Deng , Qingwen Liu , Mingqing Liu , Mengyuan Xu , Liuqing Yang , Georgios B. Giannakis

In this paper, we develop an analytical framework for the statistical analysis of the battery recharging time (BRT) in reconfigurable intelligent surfaces (RISs) aided wireless power transfer (WPT) systems. Specifically, we derive novel…

Information Theory · Computer Science 2020-07-13 Lina Mohjazi , Sami Muhaidat , Qammer H. Abbasi , Muhammad Ali Imran , Octavia A. Dobre , Marco Di Renzo

Wireless charging for mobile Internet of Things (IoT) devices such as smartphones is extremely difficult. To reduce energy dissipation during wireless transmission in mobile scenarios, laser or narrow radio beams with sophisticated tracking…

Signal Processing · Electrical Eng. & Systems 2022-01-14 Qingwen Liu , Mingqing Xiong , Mingqing Liu , Qingwei Jiang , Wen Fang , Yunfeng Bai

Internet of Things (IoT) sustainability may hinge on radio frequency wireless energy transfer (RF-WET). However, energy-efficient charging strategies are still needed, motivating our work. Specifically, this letter proposes a time division…

Signal Processing · Electrical Eng. & Systems 2024-03-21 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves

Parameter variations within the resonant network of wireless power transfer (WPT) systems can cause drift in the resonant frequency, leading to a detuned system that requires higher power capacity and experiences reduced transfer…

Systems and Control · Electrical Eng. & Systems 2024-09-16 Chang Liu , Wei Han , Guangyu Yan , Bowang Zhang , Chunlin Li

RF Wireless Power Transfer (WPT) emerges as a technology for charging autonomous devices, enabling simultaneous power and information transfer. However, with increasing distance, single-input, single-channel rectenna systems are not able to…

Systems and Control · Electrical Eng. & Systems 2021-12-17 Chesney Buyle , Bert Cox , Liesbet Van der Perre , Lieven De Strycker

Magnetic resonant coupling (MRC) is a practically appealing method for realizing the near-field wireless power transfer (WPT). The MRC-WPT system with a single pair of transmitter and receiver has been extensively studied in the literature,…

Systems and Control · Computer Science 2015-02-10 Mohammad R. Vedady Moghadam , Rui Zhang
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