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One of the key challenges of the Internet of Things (IoT) is to sustainably power the large number of IoT devices in real-time. In this paper, we consider a wireless power transfer (WPT) scenario between an energy transmitter (ET) capable…

Information Theory · Computer Science 2020-02-17 Sahar Idrees , Xiangyun Zhou , Salman Durrani , Dusit Niyato

Distributed Ledger Technology (DLT) is promising to become the foundation of many decentralised systems. However, the unbalanced and unregulated network layout contributes to the inefficiency of DLT especially in the Internet of Things…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-01-22 Yibin Xu , Yangyu Huang

Focusing metasurfaces (MTSs) tailored for different power allocations in wireless power transfer (WPT) system are proposed in this letter. The designed metasurface unit cells ensure that the phase shift can cover over a 2{\pi} span with…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Andi Ding , Yee Hui Lee , Eng Leong Tan , Yufei Zhao , Yanqiu Jia , Yong Liang Guan , Theng Huat Gan , Cedric W. L. Lee

Radio frequency (RF) wireless power transfer (WPT) is a key technology for future low-power wireless systems. However, the inherently low end-to-end power transfer efficiency (PTE) is challenging for practical applications. The main factors…

Signal Processing · Electrical Eng. & Systems 2024-05-10 Abdul Basit Khattak , Onel L. A. López , Amirhossein Azarbahram , Deepak Kumar , Matti Latva-aho

We propose a novel data-driven approach to allocate transmit power for federated learning (FL) over interference-limited wireless networks. The proposed method is useful in challenging scenarios where the wireless channel is changing during…

Machine Learning · Computer Science 2023-12-14 Boning Li , Jake Perazzone , Ananthram Swami , Santiago Segarra

The recent advances in wireless energy transfer (WET) provide an alternate and reliable option for replenishing the battery of pervasive and portable devices, such as smartphones. The peer-to-peer (P2P) mode of WET brings improved…

Networking and Internet Architecture · Computer Science 2024-10-28 Tamoghna Ojha , Theofanis P. Raptis , Marco Conti , Andrea Passarella

Radio waves carry both energy and information simultaneously. Nevertheless, Radio-Frequency (RF) transmission of these quantities have traditionally been treated separately. Currently, we are experiencing a paradigm shift in wireless…

Information Theory · Computer Science 2018-03-21 Bruno Clerckx , Rui Zhang , Robert Schober , Derrick Wing Kwan Ng , Dong In Kim , H. Vincent Poor

Simultaneous wireless information and power transfer (SWIPT) has emerged as a viable technique to energize and connect low-power autonomous devices and enable future Internet of Things (IoT). A major challenge of SWIPT is the energy…

Information Theory · Computer Science 2021-04-20 Junghoon Kim , Bruno Clerckx

Simultaneous wireless information and power transfer (SWIPT) is an appealing solution to balance the energy distribution in wireless networks and improve the energy-efficiency of the entire network. In this paper, we study the optimal…

Information Theory · Computer Science 2014-08-12 Lansheng Hu , Chao Zhang , Jing Xu

Wireless energy transfer (WET) is a ground-breaking technology for cutting the last wire between mobile sensors and power grids in smart cities. Yet, WET only offers effective transmission of energy over a short distance. Robotic WET is an…

Recent communication, computation, and technology advances coupled with climate change concerns have transformed the near future prospects of electricity transmission, and, more notably, distribution systems and microgrids. Distributed…

Systems and Control · Computer Science 2015-04-17 Bowen Zhang , John Baillieul

We present an omnidirectional wireless power transfer (WPT) system capable of automatic power flow control using three orthogonal transmitter (Tx)-repeater (Rp) pairs. The power drawn from each transmitter is automatically adjusted…

Systems and Control · Electrical Eng. & Systems 2019-09-24 Prasad Jayathurathnage , Xiaojie Dang , Fu Liu , Constantin Simovski , Sergei A. Tretyakov

We study transmission delay minimization of a wireless powered communication (WPC) system in a point-to-point scenario with one hybrid access point (HAP) and one WPC node. In this type of communications, the HAP sends energy to the node at…

Information Theory · Computer Science 2018-06-27 Mohammad Lari

In this paper, we consider a wireless powered communication network where multiple users with RF energy harvesting capabilities communicate to a hybrid energy and information access point (HAP) in full-duplex mode. Each user has to transmit…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

This work considers the design of online transmission policy in a wireless-powered communication system with a given energy budget. The system design objective is to maximize the long-term throughput of the system exploiting the energy…

Information Theory · Computer Science 2019-02-26 Xian Li , Xiangyun Zhou , Derrick Wing Kwan Ng , Changyin Sun

Wireless charging is a promising way to power wireless nodes' transmissions. This paper considers new dual-function access points (APs) which are able to support the energy/information transmission to/from wireless nodes. We focus on a…

Information Theory · Computer Science 2016-11-18 Yue Ling Che , Lingjie Duan , Rui Zhang

Smart grid is an energy network that integrates advanced power equipment, communication technology and control technology. It can transmit two-way power and data among all components of the grid at the same time. The existing smart grid…

Networking and Internet Architecture · Computer Science 2020-11-20 Qiyue Li , Tengfei Cao , Wei Sun , Weitao Li

In next-generation wireless systems, providing location-based mobile computing services for energy-neutral devices has become a crucial objective for the provision of sustainable Internet of Things (IoT). Visible light positioning (VLP) has…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Boxuan Xie , Lauri Mela , Alexis A. Dowhuszko , Yu Bai , Zehui Xiong , Zhu Han , Dusit Niyato , Riku Jäntti

This paper investigates a hybrid radio frequency (RF)/visible light communication (VLC) ultra-small cell network consisting of multiple optical angle-diversity transmitters, one multi-antenna RF access point (AP), and multiple terminal…

Information Theory · Computer Science 2019-05-14 Ha-Vu Tran , Georges Kaddoum , Panagiotis D. Diamantoulakis , Chadi Abou-Rjeily , George K. Karagiannidis

In this paper, we provide an overview of the recent advances in microwave-enabled wireless energy transfer (WET) technologies and their applications in wireless communications. Specifically, we divide our discussions into three parts.…

Networking and Internet Architecture · Computer Science 2014-07-03 Suzhi Bi , Chin Keong Ho , Rui Zhang