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相关论文: Energy Minimization in RIS-Assisted UAV-Enabled Wi…

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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…

信号处理 · 电气工程与系统科学 2020-06-03 Huiyuan Yang , Xiaojun Yuan , Jun Fang , Ying-Chang Liang

In this letter, we study a wireless communication system with a fixed-wing unmanned aerial vehicle (UAV) employed to collect information from a group of ground nodes (GNs). Our objective is to maximize the UAV's energy efficiency (EE),…

信息论 · 计算机科学 2019-07-25 Jingwei Zhang , Yong Zeng , Rui Zhang

Reconfigurable intelligent surface (RIS) is a promising technology for RF wireless power transfer (WPT) as it is capable of beamforming and beam focusing without using active and power-hungry components. In this paper, we propose a…

信号处理 · 电气工程与系统科学 2024-10-28 Nguyen Minh Tran , Muhammad Miftahul Amri , Je Hyeon Park , Dong In Kim , Kae Won Choi

Deploying reconfigurable intelligent surface (RIS) to enhance wireless transmission is a promising approach. In this paper, we investigate large-scale multi-RIS-assisted multi-cell systems, where multiple RISs are deployed in each cell.…

信息论 · 计算机科学 2022-02-25 Zhanwei Yu , Di Yuan

Reconfigurable Intelligent Surfaces (RISs) have gained immense popularity in recent years because of their ability to improve wireless coverage and their flexibility to adapt to the changes in a wireless environment. These advantages are…

信号处理 · 电气工程与系统科学 2023-07-24 Morteza Tavana , Meysam Masoudi , Emil Björnson

A reconfigurable intelligent surface (RIS) is a metamaterial that can be integrated into walls and influence the propagation of electromagnetic waves. This, typically passive radio frequency (RF) technology is emerging for indoor and…

信号处理 · 电气工程与系统科学 2020-12-10 Aly Sabri Abdalla , Talha Faizur Rahman , Vuk Marojevic

This work considers covert communications in the context of unmanned aerial vehicle (UAV) networks, aiming to hide a UAV for transmitting critical information out of a scenario that is monitored and where communication is not allowed.…

信息论 · 计算机科学 2019-09-04 Xiaobo Zhou , Shihao Yan , Jinsong Hu , Jiande Sun , Jun Li , Feng Shu

This paper investigates the joint optimization of trajectory planning and resource allocation for a high-altitude platform stations synthetic aperture radar (HAPs-SAR) system. To support real-time sensing and conserve the limited energy…

系统与控制 · 电气工程与系统科学 2025-07-01 Bang Huang , Kihong Park , Xiaowei Pang , Mohamed-Slim Alouini

This paper proposes a novel communication system framework based on a reconfigurable intelligent surface (RIS)-aided integrated sensing, communication, and power transmission (ISCPT) communication system. RIS is used to improve transmission…

信号处理 · 电气工程与系统科学 2024-11-04 Yue Xiu , Yang Zhao , Chenfei Xie , Fatma Benkhelifa , Songjie Yang , Wanting Lyu , Chadi Assi , Ning Wei

Intelligent Transportation Systems are thriving thanks to a wide range of technological advances, namely 5G communications, Internet of Things, artificial intelligence and edge computing. Central to this is the wide deployment of smart…

图像与视频处理 · 电气工程与系统科学 2021-08-26 Ahmed Al-Hilo , Moataz Samir , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

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…

信号处理 · 电气工程与系统科学 2025-11-25 Yuan Guo , Wen Chen , Yanze Zhu , Zhendong Li , Qiong Wu , Kunlun Wang

In this paper, we consider multiple solar-powered wireless nodes which utilize the harvested solar energy to transmit collected data to multiple unmanned aerial vehicles (UAVs) in the uplink. In this context, we jointly design UAV flight…

网络与互联网体系结构 · 计算机科学 2022-07-22 Chien-Wei Fu , Meng-Lin Ku , Yu-Jia Chen , Tony Q. S. Quek

Next generation mobile networks need to expand towards uncharted territories in order to enable the digital transformation of society. In this context, aerial devices such as unmanned aerial vehicles (UAVs) are expected to address this gap…

信息论 · 计算机科学 2021-05-11 Placido Mursia , Francesco Devoti , Vincenzo Sciancalepore , Xavier Costa-Pérez

The widespread use of uncrewed aerial vehicles (UAVs) has propelled the development of advanced techniques on countering unauthorized UAV flights. However, the resistance of legal UAVs to illegal interference remains under-addressed. This…

信号处理 · 电气工程与系统科学 2025-12-29 Zhuoran Li , Zhen Gao , Boyu Ning , Zhaocheng Wang

Unmanned aerial vehicles (UAVs) have emerged as a promising solution to provide wireless data access for ground users in various applications (e.g., in emergence situations). This paper considers a UAV-enabled wireless network, in which…

信息论 · 计算机科学 2019-03-21 Peiming Li , Jie Xu

In this paper, we investigate resource allocation design for unmanned aerial vehicle (UAV)-enabled communication systems, where a UAV is dispatched to provide communications to multiple user nodes. Our objective is to maximize the…

信息论 · 计算机科学 2018-09-06 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Nan Yang , Jinhong Yuan , Jianping An

Smart radio environments aided by reconfigurable intelligent reflecting surfaces (RIS) have attracted much research attention recently. We propose a joint optimization strategy for beamforming, RIS phases, and power allocation to maximize…

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

Advances in the Internet of Things are revolutionizing data acquisition, enhancing artificial intelligence and quality of service. Unmanned Aerial Vehicles (UAVs) provide an efficient data-gathering solution across varied environments. This…

网络与互联网体系结构 · 计算机科学 2025-04-14 Priyavrat Dev Sharma , Ibrahim Sorkhoh , Muthucumaru Maheswaran

This paper studies a new latency optimization problem in unmanned aerial vehicles (UAVs)-enabled federated learning (FL) with integrated sensing and communication. In this setup, distributed UAVs participate in model training using sensed…

信息论 · 计算机科学 2024-11-15 Shaba Shaon , Tien Nguyen , Lina Mohjazi , Aryan Kaushik , Dinh C. Nguyen