中文
相关论文

相关论文: Joint Trajectory and Power Allocation Design for S…

200 篇论文

Wireless systems are of paramount importance for providing ubiquitous data transmission for smart cities. However, due to the broadcasting and openness of wireless channels, such systems face potential security challenges. UAV-assisted…

密码学与安全 · 计算机科学 2024-03-15 Chan Gao , Linying Tian , Dong Zheng

This paper investigates the problem of resource allocation for joint communication and radar sensing system on rate-splitting multiple access (RSMA) based unmanned aerial vehicle (UAV) system. UAV simultaneously communicates with multiple…

信息论 · 计算机科学 2021-07-13 Yuwei Li , Wanli Ni , Hui Tian , Meihui Hua , Shaoshuai Fan

In this paper, we investigate joint resource allocation and trajectory design for multi-user multi-target unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC). To improve sensing accuracy, the UAV is forced to…

信号处理 · 电气工程与系统科学 2023-10-25 Ata Khalili , Atefeh Rezaei , Dongfang Xu , Robert Schober

By taking a variety of realistic hardware imperfections into consideration, we propose an optimal power allocation (OPA) strategy to maximize the instantaneous secrecy rate of a cooperative wireless network comprised of a source, a…

密码学与安全 · 计算机科学 2017-09-06 Ali Kuhestani , Abbas Mohammadi , Kai-Kit Wong , Phee Lep Yeoh , Majid Moradikia , Muhammad Ruhul Amin Khandaker

In this correspondence, we propose an unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) system, where a full-duplex UAV equipped with uniform planar array (UPA) is adopted as a base station for the multiuser…

信号处理 · 电气工程与系统科学 2024-04-11 Chaedam Son , Seongah Jeong

Reconfigurable intelligent surface (RIS) assisted radio is considered as an enabling technology with great potential for the sixth-generation (6G) wireless communications standard. The achievable secrecy rate (ASR) is one of the most…

信息论 · 计算机科学 2021-06-01 Vaibhav Kumar , Mark F. Flanagan , Derrick Wing Kwan Ng , Le-Nam Tran

In this paper, we address the problem of energy-efficient power allocation for secure communications in an amplify-and-forward (AF) large-scale multiple-input multiple-output (LS-MIMO) relaying system in presence of a passive eavesdropper.…

信息论 · 计算机科学 2014-08-26 Jian Chen , Xiaoming Chen , Tao Liu , Lei Lei

This work considers a dual-functional radar and communication (DFRC) system with an active reconfigurable intelligent surface (RIS) and a potential eavesdropper. Our purpose is to maximize the secrecy rate (SR) of the system by jointly…

信号处理 · 电气工程与系统科学 2024-02-06 Yang Zhang , Hong Ren , Cunhua Pan , Boshi Wang , Zhiyuan Yu , Ruisong Weng , Tuo Wu , Yongchao He

By observing the fact that moving in a straight line is a common flying behavior of unmanned aerial vehicles (UAVs) in normal applications, e.g., power line inspections, and air patrols along with highway/streets/borders, in this paper we…

信号处理 · 电气工程与系统科学 2020-06-23 Gaofeng Pan , Hongjiang Lei , Jianping An , Shuo Zhang , Mohamed-Slim Alouini

This work studies the joint problem of power and trajectory optimization in an unmanned aerial vehicle (UAV)-enabled mobile relaying system. In the considered system, in order to provide convenient and sustainable energy supply to the UAV…

信息论 · 计算机科学 2022-10-17 Ming-Min Zhao , Qingjiang Shi , Min-Jian Zhao

The problem of secure communication in Amplify-and-Forward (AF) relay networks with multiple eavesdroppers is considered. Assuming that a receiver (destination or eavesdropper) can decode a message only if the received SNR is above a…

密码学与安全 · 计算机科学 2014-06-19 Siddhartha Sarma , Samar Agnihotri , Joy Kuri

This paper analyzes the secrecy performance of a reconfigurable intelligent surface (RIS) assisted wireless communication system with a friendly jammer in the presence of an eavesdropper. The friendly jammer enhances the secrecy by…

信息论 · 计算机科学 2022-08-03 Burhan Wafai , Chinmoy Kundu , Ankit Dubey , Mark F. Flanagan

In this paper, we propose a secure short-packet communication (SPC) system involving an unmanned aerial vehicle (UAV)-aided relay in the presence of a terrestrial passive eavesdropper. The considered system, which is applicable to various…

信息论 · 计算机科学 2024-01-23 Milad Tatar Mamaghani , Xiangyun Zhou , Nan Yang , A. Lee Swindlehurst

A novel framework is proposed for the trajectory design of multiple unmanned aerial vehicles (UAVs) based on the prediction of users' mobility information. The problem of joint trajectory design and power control is formulated for…

信号处理 · 电气工程与系统科学 2019-06-05 Xiao Liu , Yuanwei Liu , Yue Chen , Lajos Hanzo

This letter introduces a novel unmanned aerial vehicle (UAV)-intelligent reflecting surface (IRS) structure into near-field localization systems to enhance the design flexibility of IRS, thereby obtaining additional performance gains.…

信号处理 · 电气工程与系统科学 2024-04-25 Hanfu Zhang , Yidan Mei , Erwu Liu , Rui Wang

In this paper, we study resource allocation for a full-duplex (FD) radio base station serving multiple half-duplex (HD) downlink and uplink users simultaneously. The considered resource allocation algorithm design is formulated as a…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Yan Sun , Robert Schober

This letter aims to present a novel approach for unmanned aerial vehicles (UAV)' path planning with respect to certain quality of service requirements. More specifically, we study the max-min fairness problem in an air-to-ground…

计算工程、金融与科学 · 计算机科学 2019-12-05 Amine Bejaoui , Ki-Hong Park , Mohamed Slim Alouini

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 paper investigates the robust and secure task transmission and computation scheme in multi-antenna unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) networks, where the UAV is dual-function, i.e., aerial MEC and aerial…

信息论 · 计算机科学 2023-02-21 Weihao Mao , Ke Xiong , Yang Lu , Pingyi Fan , Zhiguo Ding

An intelligent reflecting surface (IRS) can adaptively adjust the phase shifts of its reflecting units to strengthen the desired signal and/or suppress the undesired signal. In this letter, we investigate an IRS-aided secure wireless…

信息论 · 计算机科学 2019-05-28 Miao Cui , Guangchi Zhang , Rui Zhang