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相关论文: Gridded UAV Swarm for Secrecy Rate Maximization wi…

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Unmanned aerial vehicles (UAVs) are anticipated to be widely deployed in future wireless communications, due to their advantages of high mobility and easy deployment. However, the broadcast nature of air-to-ground line-of-sight wireless…

信息论 · 计算机科学 2018-06-19 Miao Cui , Guangchi Zhang , Qingqing Wu , Derrick Wing Kwan Ng

Unmanned aerial vehicles (UAVs) have gained a lot of popularity in diverse wireless communication fields. They can act as high-altitude flying relays to support communications between ground nodes due to their ability to provide…

信号处理 · 电气工程与系统科学 2018-08-01 Hakim Ghazzai , Mahdi Ben Ghorbel , Andreas Kassler , Md. Jahangir Hossain

This paper studies secrecy rate optimization in a wireless network with a single-antenna source, a multi-antenna destination and a multi-antenna eavesdropper. This is an unfavorable scenario for secrecy performance as the system is…

信息论 · 计算机科学 2016-08-24 Gan Zheng , Ioannis Krikidis , Jiangyuan Li , Athina P. Petropulu , Bjorn Ottersten

The advancement in cyber-physical systems has opened a new way in disaster management and rescue operations. The usage of UAVs is very promising in this context. UAVs, mainly quadcopters, are small in size and their payload capacity is…

分布式、并行与集群计算 · 计算机科学 2024-05-02 Arindam Majee , Rahul Saha , Snehasish Roy , Srilekha Mandal , Sayan Chatterjee

The real-time unmanned aerial vehicle (UAV) trajectory design of secure integrated sensing and communication (ISAC) is optimized. In particular, the UAV serves both as a downlink transmitter and a radar receiver. The legitimate user (Bob)…

信号处理 · 电气工程与系统科学 2023-06-27 Jun Wu , Weijie Yuan , Lajos Hanzo

This paper considers secrecy enhancement mechanisms in visible light communication (VLC) systems with spatially distributed passive eavesdroppers (EDs) under the assumption that there are multiple LED transmitters and one legitimate…

信息论 · 计算机科学 2017-07-24 Sunghwan Cho , Gaojie Chen , Justin P. Coon

In this correspondence, we study the physical layer security in a stochastic unmanned aerial vehicles (UAVs) network from a network-wide perspective, where the locations of UAVs are modeled as a Mat$\acute{\text{e}}$rn hard-core point…

信息论 · 计算机科学 2021-03-02 Jiawei Lyu , Hui-Ming Wang

Unmanned aerial vehicles (UAVs) have gained considerable attention as a platform for establishing aerial wireless networks and communications. However, the line-of-sight dominance in air-to-ground communications often leads to significant…

神经与进化计算 · 计算机科学 2024-12-10 Hongjuan Li , Hui Kang , Geng Sun , Jiahui Li , Jiacheng Wang , Xue Wang , Dusit Niyato , Victor C. M. Leung

Unmanned aerial vehicle (UAV) communications have been widely accepted as promising technologies to support air-to-ground communications in the forthcoming sixth-generation (6G) wireless networks. This paper proposes a novel air-to-ground…

信息论 · 计算机科学 2023-12-27 Xiao Fan , Peiran Wu , Minghua Xia

Wireless relays can effectively extend the transmission range of information. However, if relay technology is utilized unlawfully, it can amplify potential harm. Effectively surveilling illegitimate relay links poses a challenging problem.…

信息论 · 计算机科学 2024-07-11 Qian Dan , Hongjiang Lei , Ki-Hong Park , Weijia Lei , Gaofeng Pan

Monitoring crop fields to map features like weeds can be efficiently performed with unmanned aerial vehicles (UAVs) that can cover large areas in a short time due to their privileged perspective and motion speed. However, the need for…

Unmanned aerial vehicle (UAV) swarms are increasingly deployed in vast low-altitude applications, owing to their capabilities in distributed sensing, flexible communication, and autonomous coordination. Nevertheless, the open and highly…

密码学与安全 · 计算机科学 2026-05-27 Yuntao Wang , Haojia Yang , Han Liu , Jianle Ba , Zhou Su

This paper investigates the semantic communication and cooperative tracking control for an UAV swarm comprising a leader UAV and a group of follower UAVs, all interconnected via unreliable wireless multiple-input-multiple-output (MIMO)…

信号处理 · 电气工程与系统科学 2024-11-12 Minjie Tang , Chenyuan Feng , Tony Q. S. Quek

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

信息论 · 计算机科学 2019-11-01 Junting Chen , David Gesbert

This paper tackles the problem of positioning a swarm of UAVs inside a completely unknown terrain, having as objective to maximize the overall situational awareness. The situational awareness is expressed by the number and quality of unique…

机器人学 · 计算机科学 2020-07-03 Dimitrios I. Koutras , Athanasios Ch. Kapoutsis , Elias B. Kosmatopoulos

Unmanned aerial vehicles (UAVs) have played an increasingly important role in military operations and social life. Among all application scenarios, multi-target tracking tasks accomplished by UAV swarms have received extensive attention.…

系统与控制 · 电气工程与系统科学 2024-12-18 Ziang Wang , Lei Wang , Qi Yi , Yimin Liu

Cellular systems are vulnerable to jamming attacks, especially smart jammers that choose their jamming policies such as the jamming channel frequencies and power based on the ongoing communication policies and network states. In this…

信号处理 · 电气工程与系统科学 2019-04-24 Xiaozhen Lu , Liang Xiao , Canhuang Dai , Huaiyu Dai

Suitably equipped with cameras and sensors, uncrewed aerial vehicles (UAVs) can be instrumental for wildfire prediction, tracking, and monitoring, provided that uninterrupted connectivity can be guaranteed even if some of the ground access…

信号处理 · 电气工程与系统科学 2024-07-09 Carles Diaz-Vilor , Angel Lozano , Hamid Jafarkhani

Unmanned aerial vehicles (UAVs) play an essential role in future wireless communication networks due to their high mobility, low cost, and on-demand deployment. In air-to-ground links, UAVs are widely used to enhance the performance of…

信息论 · 计算机科学 2024-06-11 Hongjiang Lei , Dongyang Meng , Haoxiang Ran , Ki-Hong Park , Gaofeng Pan , Mohamed-Slim Alouini

In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper. In particular, we focus on the judicious transmission of artificial…

信息论 · 计算机科学 2015-05-19 Amitav Mukherjee , A. Lee Swindlehurst