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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

This paper considers an intelligent reflecting sur-face (IRS)-aided simultaneous wireless information and power transfer (SWIPT) network, where multiple users decode data and harvest energy from the transmitted signal of a transmit-ter. The…

信息论 · 计算机科学 2021-03-24 Shayan Zargari , Ata Khalili , Qingqing Wu , Mohammad Robat Mili , Derrick Wing Kwan Ng

The recent trend towards the high-speed transportation system has spurred the development of high-speed trains (HSTs). However, enabling HST users with seamless wireless connectivity using the roadside units (RSUs) is extremely challenging,…

网络与互联网体系结构 · 计算机科学 2023-10-27 Yu Min Park , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

In this paper, we consider an active reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle(UAV)-enabled simultaneous wireless information and power transfer(SWIPT) system with multiple ground users. Compared with the…

信号处理 · 电气工程与系统科学 2023-08-21 Zhangjie Peng , Ruijing Liu , Cunhua Pan , Zhenkun Zhang , Jiangzhou Wang

Power splitting based simultaneous wireless information and power transfer (PS-SWIPT) appears to be a promising solution to support future self-sustainable Internet of Things (SS-IoT) networks. However, the performance of these networks is…

信号处理 · 电气工程与系统科学 2024-01-12 Haleema Sadia , Ahmad Kamal Hassan , Ziaul Haq Abbas , Ghulam Abbas , Thar Baker

In this correspondence, we propose to use an intelligent reflective surface (IRS) installed on unmanned aerial vehicle (UAV), referred to as aerial IRS (AIRS), for vehicular networks, where simultaneous wireless information and power…

信息论 · 计算机科学 2024-01-24 Gyoungyoon Nam , Seokhyun Lee , Seongah Jeong

Intelligent reflecting surface (IRS) is a new and revolutionizing technology for achieving spectrum and energy efficient wireless networks. By leveraging massive low-cost passive elements that are able to reflect radio-frequency (RF)…

信息论 · 计算机科学 2019-11-12 Qingqing Wu , Rui Zhang

Unmanned aerial vehicles (UAVs) have steadily gained attention to overcome the harsh propagation loss and blockage issue of millimeter-wave communication. However, UAV communication systems suffer from energy consumption, which limits the…

信息论 · 计算机科学 2023-01-03 Hyesang Cho , Junil Choi

In this paper, we investigate resource allocation algorithm design for large intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. To this end, we adopt a physics-based IRS model…

信息论 · 计算机科学 2020-10-05 Dongfang Xu , Xianghao Yu , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

This paper presents a theoretical framework to analyze the performance of integrated unmanned aerial vehicle (UAV)-intelligent reflecting surface (IRS) relaying system in which IRS provides an additional degree of freedom combined with the…

信号处理 · 电气工程与系统科学 2020-06-22 Taniya Shafique , Hina Tabassum , Ekram Hossain

Simultaneous wireless information and power transfer (SWIPT) and intelligent reflecting surface (IRS) are two promising techniques for providing enhanced wireless communication capability and sustainable energy supply to energy-constrained…

信号处理 · 电气工程与系统科学 2020-09-10 Wei Sun , Qingyang Song , Lei Guo , Jun Zhao

In this paper, the intelligent reflecting surface (IRS)-aided unmanned aerial vehicle (UAV) communication system is studied, where the UAV is deployed to serve the user equipment (UE) with the assistance of multiple IRSs mounted on several…

信号处理 · 电气工程与系统科学 2022-08-31 Liang Wang , Kezhi Wang , Cunhua Pan , Nauman Aslam

In this paper, an intelligent reflecting surface (IRS) is introduced to assist an unmanned aerial vehicle (UAV) communication system based on non-orthogonal multiple access (NOMA) for serving multiple ground users. We aim to minimize the…

信息论 · 计算机科学 2022-06-14 Yuanxin Cai , Zhiqiang Wei , Shaokang Hu , Chang Liu , Derrick Wing Kwan Ng , Jinhong Yuan

Unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) systems offer significant advantages in coverage and deployment flexibility, but suffer from endurance limitations due to the limited onboard energy. This paper proposes to…

信号处理 · 电气工程与系统科学 2022-08-19 Hong Ren , Zhenkun Zhang , Zhangjie Peng , Li Li , Cunhua Pan

This paper studies an intelligent reflecting surface (IRS)-assisted multiuser multiple-input single-output (MISO) simultaneous wireless information and power transfer (SWIPT) system. In this system, a multi-antenna access point (AP) uses…

信号处理 · 电气工程与系统科学 2019-10-17 Yizheng Tang , Ganggang Ma , Hailiang Xie , Jie Xu , Xiao Han

In this paper, we study the optimal resource allocation algorithm design for large intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. To facilitate efficient system design for…

信息论 · 计算机科学 2021-04-09 Dongfang Xu , Vahid Jamali , Xianghao Yu , Derrick Wing Kwan Ng , Robert Schober

The low efficiency of far-field wireless power transfer (WPT) limits the fundamental rate-energy (R-E) performance trade-off of the simultaneous wireless information and power transfer (SWIPT) system. To address this challenge, we propose…

信息论 · 计算机科学 2020-01-03 Qingqing Wu , Rui Zhang

Intelligent reflecting surface (IRS)-assisted unmanned aerial vehicle (UAV) communications are expected to alleviate the load of ground base stations in a cost-effective way. Existing studies mainly focus on the deployment and resource…

信息论 · 计算机科学 2023-12-11 Zhaolong Ning , Hao Hu , Xiaojie Wang , Qingqing Wu , Chau Yuen , F. Richard Yu , Yan Zhang

This study investigates the integration of an intelligent reflecting surface (IRS) into an unmanned aerial vehicle (UAV) platform to utilize the advantages of these leading technologies for sixth-generation communications, e.g., improved…

信号处理 · 电气工程与系统科学 2024-05-22 Hung Nguyen-Kha , Hieu V. Nguyen , Mai T. P. Le , Oh-Soon Shin

Intelligent reflecting surfaces (IRSs) with the ability to reconfigure inherent electromagnetic reflection and absorption characteristics in real-time provide unparalleled prospects to improve wireless connectivity in adverse circumstances.…

信号处理 · 电气工程与系统科学 2022-05-18 Mobasshir Mahbub , Raed M. Shubair
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