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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…

网络与互联网体系结构 · 计算机科学 2020-04-15 Wen Fang , Gang Wang , Georgios B. Giannakis , Qingwen Liu , Xin Wang , Hao Deng

Reconfigurable intelligent surface (RIS) has been explored as a supportive technology for wireless communication since around 2019. While the literature highlights the potential of RIS in different modern applications, two key issues have…

This paper proposes to leverage intelligent reflecting surface (IRS) backscatter to realize radio-frequency-chain-free uplink-transmissions (RFCF-UT). In this communication paradigm, IRS works as an information carrier, whose elements are…

信号处理 · 电气工程与系统科学 2022-07-22 Sai Xu , Yanan Du , Jiliang Zhang , Jiangzhou Wang , Jie Zhang

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…

信号处理 · 电气工程与系统科学 2018-09-27 Mingliang Xiong , Mingqing Liu , Qingqing Zhang , Qingwen Liu , Jun Wu , Pengfei Xia

In this work, we present a novel robust distributed beamforming (RDB) approach based on low-rank and cross-correlation techniques. The proposed RDB approach mitigates the effects of channel errors in wireless networks equipped with relays…

信号处理 · 电气工程与系统科学 2019-12-04 H. Ruan , R. C. de Lamare

Relay-enabled backscatter communication (BC) is an intriguing paradigm to alleviate energy shortage and improve throughput of Internet-of-Things (IoT) devices. Most of the existing works focus on the resource allocation that considered the…

信息论 · 计算机科学 2023-07-27 Rui Xu , Liqin Shi , Yinghui Ye , Haijian Sun , Gan Zheng

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…

系统与控制 · 计算机科学 2018-09-26 Wen Fang , Qingqing Zhang , Qingwen Liu , Jun Wu , Pengfei Xia

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…

信号处理 · 电气工程与系统科学 2022-01-14 Qingwen Liu , Mingqing Xiong , Mingqing Liu , Qingwei Jiang , Wen Fang , Yunfeng Bai

A closed electromagnetic resonant chamber (RC) is a highly favorable artificial environment for wireless communication. A pair of antennas within the chamber constitutes a two-port network described by an impedance matrix. We analyze…

信息论 · 计算机科学 2023-11-16 Amritpal Singh , Thomas Marzetta

Reconfigurable intelligent surface (RIS) is anticipated to augment the performance of beyond fifth-generation (B5G) and sixth-generation (6G) networks by intelligently manipulating the state of its components. Rather than employing…

信号处理 · 电气工程与系统科学 2024-08-27 Zhendong Li , Wen Chen , Qingqing Wu , Ziwei Liu , Chong He , Xudong Bai , Jun Li

Simultaneous lightwave information and power transfer (SLIPT) has been regarded as a promising technology to deal with the ever-growing energy consumption and data-rate demands in the Internet of Things (IoT). We propose a resonant beam…

信号处理 · 电气工程与系统科学 2021-02-19 Mingqing Liu , Mingliang Xiong , Qingwen Liu

Optical wireless communication (OWC) meets the demands of the future six-generation mobile network (6G) as it operates at several hundreds of Terahertz and has the potential to enable data rate in the order of Tbps. However, most beam…

信号处理 · 电气工程与系统科学 2021-10-12 Mingliang Xiong , Qingwen Liu , Xin Wang , Shengli Zhou , Bin Zhou , Zhiyong Bu

Reconfigurable meta-surface (RMS) is proposed as a very promising and novel technology, which is composed of a large number of low-cost passive elements, and can achieve passive beamforming by controlling the amplitude and phase of incident…

信号处理 · 电气工程与系统科学 2022-02-22 Zhendong Li , Wen Chen , Chong He , Xudong Bai , Jianmin Lu

Multiple antenna techniques that allow energy beamforming have been looked upon as a possible candidate for increasing the transfer efficiency between the energy transmitter (ET) and the energy receiver (ER) in wireless power transfer. This…

信息论 · 计算机科学 2018-02-14 Samith Abeywickrama , Tharaka Samarasinghe , Chin Keong Ho , Chau Yuen

Strongly Coupled Magnetic Resonance (SCMR) uses electromagnetic resonance in order to efficiently transfer power wirelessly over mid-range distances. Since the energy exchange capability of resonant objects higher than non-resonant objects,…

This paper studies an integrated sensing and communication (ISAC) system where a multi-antenna base station (BS) aims to communicate with a single-antenna user in the downlink and sense the unknown and random angle parameter of a target via…

信息论 · 计算机科学 2024-05-24 Chan Xu , Shuowen Zhang

Emerging applications such as networked robotics, intelligent transportation, smart factories, and virtual and augmented reality demand integrated perception and connectivity enabled by wireless communication. This has driven growing…

信息论 · 计算机科学 2025-10-28 Ming-Chun Lee , Christian Eckrich , Vahid Jamali , Yu-Chih Huang , Arash Asadi , Li-Chun Wang

Communication-centric Integrated Sensing and Communication (ISAC) has been recognized as a promising methodology to implement wireless sensing functionality over existing network architectures, due to its cost-effectiveness and backward…

信号处理 · 电气工程与系统科学 2025-04-23 Shihang Lu , Fan Liu , Yifeng Xiong , Zhen Du , Yuanhao Cui , Shuangyang Li , Weijie Yuan , Jie Yang , Shi Jin

Quantum battery (QB) is the miniature energy storage and release device and plays a crucial role in future quantum technology. Here, an implementation scheme of a QB is proposed on a superconducting circuit which is composed by $N$ coupled…

量子物理 · 物理学 2023-03-15 Fu-Quan Dou , Fang-Mei Yang

Backscatter communication (BC) has emerged as a pivotal wireless communication paradigm owing to its low-power and cost-effective characteristics. However, BC faces various challenges from its low signal detection rate to its security…

信息论 · 计算机科学 2024-10-04 Masoud Kaveh , Farshad Rostami Ghadi , Zhao Li , Zheng Yan , Riku Jantti