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This paper presents a novel concept termed Integrated Imaging and Wireless Power Transfer (IWPT), wherein the integration of imaging and wireless power transfer functionalities is achieved on a unified hardware platform. IWPT leverages a…

信号处理 · 电气工程与系统科学 2024-08-02 Qianyu Yang , Haiyang Zhang , Chunguo Li , Ruiqi Liu , Baoyun Wang

This paper investigates a new downlink nonorthogonal multiple access (NOMA) system, where a multiantenna unmanned aerial vehicle (UAV) is powered by wireless power transfer (WPT) and serves as the base station for multiple pairs of ground…

信息论 · 计算机科学 2022-04-21 Zhongyu Wang , Tiejun Lv , Jie Zeng , Wei Ni

Fluid antenna is a promising wireless communication technology that enhances communication rate by changing the antenna positions. This article proposes a new communication system that combines multiple-input single-output (MISO) fluid…

信息论 · 计算机科学 2025-10-24 Feilong Zhang , Jianxin Dai , Zhaohui Yang , Kai-Kit Wong , Lingyuxiu Li , Jianglin Ye

This paper studies an unmanned aerial vehicle (UAV)-enabled two-user interference channel for wireless powered communication networks (WPCNs), in which two UAVs wirelessly charge two low-power Internet-of-things (IoT)-devices on the ground…

信息论 · 计算机科学 2019-10-11 Lifeng Xie , Jie Xu , Yong Zeng

This letter considers simultaneous wireless information and power transfer (SWIPT) for a multiple-input multiple-output (MIMO) relay system. The relay is powered by harvesting energy from the source via time switching (TS) and utilizes the…

信息论 · 计算机科学 2017-04-11 Jialing Liao , Muhammad R. A. Khandaker , Kai-Kit Wong

We investigate reconfigurable intelligent surface (RIS)-assisted simultaneous wireless information and power transfer (SWIPT) Internet of Things (IoT) networks, where energy-limited IoT devices are overlaid with cellular information users…

信息论 · 计算机科学 2024-07-18 Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

The integration of unmanned aerial vehicles (UAVs) with Internet of Things (IoT) networks offers promising solutions for efficient data collection. However, the limited energy capacity of UAVs remains a significant challenge. In this case,…

网络与互联网体系结构 · 计算机科学 2025-07-14 Geng Sun , Likun Zhang , Jiahui Li , Jing Wu , Jiacheng Wang , Zemin Sun , Changyuan Zhao , Victor C. M. Leung

Harvesting data from distributed Internet of Things (IoT) devices with multiple autonomous unmanned aerial vehicles (UAVs) is a challenging problem requiring flexible path planning methods. We propose a multi-agent reinforcement learning…

多智能体系统 · 计算机科学 2021-06-04 Harald Bayerlein , Mirco Theile , Marco Caccamo , David Gesbert

This paper considers an orthogonal frequency division multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed that the receiver is able to harvest energy from noise,…

信息论 · 计算机科学 2016-11-18 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Unmanned aerial vehicles (UAVs) have attracted plenty of attention due to their high flexibility and enhanced communication ability. However, the limited coverage and energy of UAVs make it difficult to provide timely wireless service for…

系统与控制 · 电气工程与系统科学 2024-12-18 Rui Wang , Kaitao Meng , Deshi Li

An optimization procedure for multi-transmitter (MISO) wireless power transfer (WPT) systems based on tight semidefinite relaxation (SDR) is presented. This method ensures physical realizability of MISO WPT systems designed via convex…

最优化与控制 · 数学 2017-11-22 Hans-Dieter Lang , Costas D. Sarris

Simultaneous wireless information and power transfer (SWIPT) is a promising technology for the upcoming sixth-generation (6G) communication networks, enabling internet of things (IoT) devices and sensors to extend their operational…

信号处理 · 电气工程与系统科学 2025-03-12 Cheng Luo , Jie Hu , Luping Xiang , Kun Yang

Powering mobiles using microwave \emph{power transfer} (PT) avoids the inconvenience of battery recharging by cables and ensures uninterrupted mobile operation. The integration of PT and \emph{information transfer} (IT) allows wireless PT…

信息论 · 计算机科学 2014-10-07 Rahul Vaze , Jainam Doshi , Kaibin Huang

Fluid antenna multiple access (FAMA) is capable of exploiting the high spatial diversity of wireless channels to mitigate multi-user interference via flexible port switching, which achieves a better performance than traditional…

信息论 · 计算机科学 2024-02-08 Xiao Lin , Halvin Yang , Yizhe Zhao , Jie Hu , Kai-Kit Wong

Aiming at the limited battery capacity of widely deployed low-power smart devices in the Internet-of-things (IoT), this paper proposes a novel intelligent reflecting surface (IRS) empowered unmanned aerial vehicle (UAV) simultaneous…

信号处理 · 电气工程与系统科学 2022-10-28 Zhendong Li , Wen Chen , Huanqing Cao , Hongying Tang , Kunlun Wang , Jun Li

Far-field wireless power transfer (WPT) is a promising technique to resolve the painstaking power-charging problem inherent in various wireless terminals. This paper investigates the power transfer efficiency of the WPT segment in future…

信息论 · 计算机科学 2015-04-14 Minghua Xia , Sonia Aïssa

The sustainable Internet of Things (IoT) is becoming a promising solution for the green living and smart industries. In this article, we investigate the practical issues in the radio energy harvesting and data communication systems through…

信号处理 · 电气工程与系统科学 2020-01-03 Yu Luo , Lina Pu

In unmanned aerial vehicle (UAV)-assisted wake-up radio (WuR)-enabled internet of things (IoT) networks, UAVs can instantly activate the main radios (MRs) of the sensor nodes (SNs) with a wake-up call (WuC) for efficient data collection in…

网络与互联网体系结构 · 计算机科学 2025-10-31 Syed Luqman Shah , Ziaul Haq Abbas , Ghulam Abbas , Nurul Huda Mahmood

Energy harvesting for wireless communication networks is a new paradigm that allows terminals to recharge their batteries from external energy sources in the surrounding environment. A promising energy harvesting technology is wireless…

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…

信息论 · 计算机科学 2022-09-09 Bruno Clerckx , Junghoon Kim , Kae Won Choi , Dong In Kim