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A Wireless Power Transfer Network (WPTN) aims to support devices with cable-less energy on-demand. Unfortunately, wireless power transfer itself-especially through radio frequency radiation rectification-is fairly inefficient due to…

Networking and Internet Architecture · Computer Science 2015-04-03 Qingzhi Liu , Michał Goliński , Przemysław Pawełczak , Martijn Warnier

Wireless power transfer (WPT) is an emerging paradigm that will enable using wireless to its full potential in future networks, not only to convey information but also to deliver energy. Such networks will enable trillions of future…

Information Theory · Computer Science 2021-01-14 Bruno Clerckx , Kaibin Huang , Lav R. Varshney , Sennur Ulukus , Mohamed-Slim Alouini

As a novel pattern of energization, the wireless power transfer (WPT) offers a brand-new way to the energy acquisition for electric-driven devices, thus alleviating the over-dependence on the battery. This report presents three types of WPT…

Systems and Control · Electrical Eng. & Systems 2025-08-20 H Chan

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

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

Smart grids are becoming ubiquitous in recent time. With the progress of automation in this arena, it needs to be diagnosed for better performance and less failures. There are several options for doing that but we have seen from the past…

Networking and Internet Architecture · Computer Science 2024-09-05 Uthman Baroudi , Ahmad Shawahna , Md. Enamul Haque

We investigate the interesting impact of mobility on the problem of efficient wireless power transfer in ad hoc networks. We consider a set of mobile agents (consuming energy to perform certain sensing and communication tasks), and a single…

Networking and Internet Architecture · Computer Science 2020-04-09 Adelina Madhja , Sotiris Nikoletseas , Alexandros A. Voudouris

The problem of joint transfer of information and energy for wireless links has been recently investigated in light of emerging applications such as RFID and body area networks. Specifically, recent work has shown that the additional…

Information Theory · Computer Science 2016-11-15 Ali Mohammad Fouladgar , Osvaldo Simeone

Distributed laser charging (DLC) is a wireless power transfer technology for mobile electronics. Similar to traditional wireless charging systems, the DLC system can only provide constant power to charge a battery. However, Li-ion battery…

Systems and Control · Electrical Eng. & Systems 2020-04-29 Qingqing Zhang , Xiaojun Shi , Qingwen Liu , Jun Wu , Pengfei Xia , Yong Liao

Reliable energy supply remains a crucial challenge in the Internet of Things (IoT). Although relying on batteries is cost-effective for a few devices, it is neither a scalable nor a sustainable charging solution as the network grows…

Networking and Internet Architecture · Computer Science 2023-11-10 Osmel Martínez Rosabal , Onel L. Alcaraz López , Hirley Alves , Matti Latva-aho

Caching at the wireless edge is a promising way of boosting spectral efficiency and reducing energy consumption of wireless systems. These improvements are rooted in the fact that popular contents are reused, asynchronously, by many users.…

Networking and Internet Architecture · Computer Science 2018-11-01 Dong Liu , Binqiang Chen , Chenyang Yang , Andreas F. Molisch

Wireless-powered communication network (WPCN) is a key technology to power energy-limited massive devices, such as on-board wireless sensors in autonomous vehicles, for Internet-of-Things (IoT) applications. Conventional WPCNs rely only on…

Information Theory · Computer Science 2020-03-27 Qingqing Wu , Guangchi Zhang , Derrick Wing Kwan Ng , Wen Chen , Robert Schober

As wireless has disrupted communications, wireless will also disrupt the delivery of energy. Future wireless networks will be equipped with (radiative) wireless power transfer (WPT) capability and exploit radio waves to carry both energy…

Information Theory · Computer Science 2022-09-09 Bruno Clerckx , Junghoon Kim , Kae Won Choi , Dong In Kim

Conventional wireless power transfer systems consist of a microwave power generator and a microwave power receiver separated by some distance. To realize efficient power transfer, the system is typically brought to resonance, and the…

Applied Physics · Physics 2018-08-29 Y. Ra'di , B. Chowkwale , C. A. Valagiannopoulos , F. Liu , A. Alu , C. R. Simovski , S. A. Tretyakov

Wireless-powered communications will entail short packets due to naturally small payloads, low latency requirements and/or insufficient energy resources to support longer transmissions. In this paper, a wireless-powered communication system…

Information Theory · Computer Science 2016-09-19 Talha Ahmed Khan , Robert W. Heath , Petar Popovski

We present the first power over Wi-Fi system that delivers power and works with existing Wi-Fi chipsets. Specifically, we show that a ubiquitous piece of wireless communication infrastructure, the Wi-Fi router, can provide far field…

Networking and Internet Architecture · Computer Science 2015-05-27 Vamsi Talla , Bryce Kellogg , Benjamin Ransford , Saman Naderiparizi , Shyamnath Gollakota , Joshua R. Smith

RF-based wireless power transfer networks (WPTNs) are deployed to transfer power to embedded devices over the air via RF waves. Up until now, a considerable amount of effort has been devoted by researchers to design WPTNs that maximize…

Networking and Internet Architecture · Computer Science 2016-02-12 Qingzhi Liu , Kasım Sinan Yıldırım , Przemysław Pawełczak , Martijn Warnier

A peer-to-peer system is a distributed system in which equal nodes (in terms of role and usage) exchange information and services directly. This paper describes a distributed peer-to-peer protocol that allows wifi-enabled smart devices…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-04-11 Steve Tueno , Romeo Tabue , Forentin Jiechieu , Yacynth Ndonna , Billy Zafack , Audric Feuyan , Jonas Atibita , Alex Djouontse , Rodrigue Mbinkeu

This paper studies a novel user cooperation method in a wireless powered communication network (WPCN), where a pair of closely located devices first harvest wireless energy from an energy node (EN) and then use the harvested energy to…

Networking and Internet Architecture · Computer Science 2018-07-03 Wanran Xu , Suzhi Bi , Xiaohui Lin , Juan Wang

Wireless power transfer (WPT) is a promising solution to provide convenient and perpetual energy supplies to electronics. Traditional WPT technologies face the challenge of providing Watt-level power over meter-level distance for Internet…

Signal Processing · Electrical Eng. & Systems 2018-10-10 Qingqing Zhang , Wen Fang , Qingwen Liu , Jun Wu , Pengfei Xia , Liuqing Yang