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This letter studies the energy-efficient design in a downlink multi-antenna multi-user system consisting of a multi-antenna base station (BS) and multiple single-antenna users, by considering the practical non-linear power amplifier (PA)…

Information Theory · Computer Science 2022-07-08 Yuan Fang , Yi Huang , Chuan Ma , Yinghao Jin , Gaoyuan Cheng , Guanlin Wu , Jie Xu

This paper investigates a novel transmissive reconfigurable intelligent surface (TRIS) transceiver-empowered simultaneous wireless information and power transfer (SWIPT) system with multiple information decoding (ID) and energy harvesting…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Yuan Guo , Wen Chen , Yanze Zhu , Zhendong Li , Qiong Wu , Kunlun Wang

This paper investigates a wireless-powered communication network (WPCN) setup with one multi-antenna access point (AP) and one single-antenna source. It is assumed that the AP is connected to an external power supply, while the source does…

Information Theory · Computer Science 2015-12-11 Yifan Gu , He Chen , Yonghui Li , Branka Vucetic

Federated edge learning (FEEL) is a widely adopted framework for training an artificial intelligence (AI) model distributively at edge devices to leverage their data while preserving their data privacy. The execution of a power-hungry…

Information Theory · Computer Science 2021-02-25 Qunsong Zeng , Yuqing Du , Kaibin Huang

This paper unifies integrated sensing and communication (ISAC) and simultaneous wireless information and power transfer (SWIPT), by investigating a new multi-functional multiple-input multiple-output (MIMO) system integrating wireless…

Information Theory · Computer Science 2023-08-17 Yilong Chen , Haocheng Hua , Jie Xu , Derrick Wing Kwan Ng

In this paper, we study the resource allocation algorithm design for energy-efficient simultaneous wireless information and power transfer (SWIPT) systems. The considered system comprises a transmitter, an information receiver, and multiple…

Information Theory · Computer Science 2015-09-22 Shiyang Leng , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

To achieve efficient long-range wireless power transfer (WPT), large antenna systems are necessary spanning lengths of tens to thousands of meters in one dimension. This creates an array in the order of at least hundreds of thousands to…

Systems and Control · Electrical Eng. & Systems 2025-08-21 Charleston Dale M. Ambatali , Shinichi Nakasuka

The accuracy of channel state information (CSI) is critical for improving the capacity of wireless networks. In this paper, we introduce a training protocol for wireless relay networks that uses channel estimation and feedforwarding…

Information Theory · Computer Science 2011-01-18 Cenk M. Yetis , Ahmet H. Kayran

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

Radio frequency (RF) wireless power transfer (WPT) is a promising technology to seamlessly charge low-power devices, but its low end-to-end power transfer efficiency remains a critical challenge. To address the latter, low-cost…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Amirhossein Azarbahram , Onel L. A. Lopez , Bruno Clerckx , Marco Di Renzo , Matti Latva-Aho

In this letter, we consider the control of an energy self-sufficient receiver in a multi-access network with simultaneous wireless information and energy transfer. Multiple transmitters send data to a common receiver whose only source of…

Signal Processing · Electrical Eng. & Systems 2019-02-08 Yunus Sarikaya , Ozgur Ercetin

In a rechargeable wireless sensor network, the data packets are generated by sensor nodes at a specific data rate, and transmitted to a base station. Moreover, the base station transfers power to the nodes by using Wireless Power Transfer…

Signal Processing · Electrical Eng. & Systems 2017-11-15 Kai Li , Wei Ni , Lingjie Duan , Mehran Abolhasan , Jianwei Niu

Wireless power transfer (WPT) technologies are becoming ubiquitous, but unlike wire technologies, they do not allow efficient energy transfer through barely transparent barriers. The proposed solutions to this issue rely on resonantly…

Optics · Physics 2019-09-16 Alex Krasnok

By reconfiguring the propagation environment of electromagnetic waves artificially, reconfigurable intelligent surfaces (RISs) have been regarded as a promising and revolutionary hardware technology to improve the energy and spectrum…

Signal Processing · Electrical Eng. & Systems 2020-06-03 Huiyuan Yang , Xiaojun Yuan , Jun Fang , Ying-Chang Liang

In this letter, we consider a large-scale multiple-input multiple-output (MIMO) system where the receiver should harvest energy from the transmitter by wireless power transfer to support its wireless information transmission. The energy…

Information Theory · Computer Science 2016-11-18 Xiaoming Chen , Xiumin Wang , Xianfu Chen

Intelligent reflecting surface (IRS) is a promising technology for achieving high spectrum efficiency in future wireless networks by leveraging massive low-cost reflecting elements with each reflecting the incident signal with a proper…

Information Theory · Computer Science 2018-10-29 Qingqing Wu , Rui Zhang

A multiple antenna base station (BS) with an intelligent reflecting surface (IRS) platform, and several single antenna users are considered in the downlink mode. Simultaneous wireless information and power transfer (SWIPT) is utilized by…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Shayan Zargari , Shahrokh Farahmand , Bahman Abolhassani

The explosion of the number of low-power devices in the next decades calls for a re-thinking of wireless network design, namely, unifying wireless transmission of information and power so as to make the best use of the RF spectrum,…

Information Theory · Computer Science 2019-09-17 Morteza Varasteh , Jakob Hoydis , Bruno Clerckx

The new paradigm of wirelessly powered two-tier heterogeneous networks (HetNets) is considered in this paper. Specifically, the femtocell base station (FBS) is powered by a power beacon (PB) and transmits confidential information to a…

Information Theory · Computer Science 2019-11-25 Shiqi Gong , Shaodan Ma , Chengwen Xing , Yonghui Li , Lajos Hanzo

The end-to-end learning of Simultaneous Wireless Information and Power Transfer (SWIPT) over a noisy channel is studied. Adopting a nonlinear model for the energy harvester (EH) at the receiver, a joint optimization of the transmitter and…

Information Theory · Computer Science 2018-10-30 Morteza Varasteh , Enrico Piovano , Bruno Clerckx
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