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A continuous aperture array (CAPA)-based secure communication system is investigated, where a base station equipped with a CAPA transmits signals to a legitimate user under the existence of an eavesdropper. For improving the secrecy…

信号处理 · 电气工程与系统科学 2025-04-16 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

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 letter investigates the transmit power and trajectory optimization problem for unmanned aerial vehicle (UAV)-aided networks. Different from majority of the existing studies with fixed communication infrastructure, a dynamic scenario is…

信号处理 · 电气工程与系统科学 2018-01-17 Haichao Wang , Guochun Ren , Jin Chen , Guoru Ding , Yijun Yang

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 studies the problem of securing task offloading transmissions from ground users against ground eavesdropping threats. Our study introduces a reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV)-mobile edge…

密码学与安全 · 计算机科学 2025-05-19 Aly Sabri Abdalla , Vuk Marojevic

Energy efficiency (EE) is an important aspect of satellite communications. Different with the existing algorithms that typically use the first-order Taylor lower bound approximation to convert non-convex EE maximization (EEM) problems into…

信息论 · 计算机科学 2022-03-15 Chenhao Qi , Yang Yang , Rui Ding , Shichao Jin , Dunge Liu

In this paper, we investigate an unmanned aerial vehicle (UAV)-assisted integrated communication and localization network in emergency scenarios where a single UAV is deployed as both an airborne base station (BS) and anchor node to assist…

网络与互联网体系结构 · 计算机科学 2023-06-07 Suzhi Bi , Jiaxing Yu , Zheyuan Yang , Xiaohui Lin , Yuan Wu

In this paper, we consider an unmanned aerial vehicle (UAV) assisted communications system, including two cooperative UAVs, a wireless-powered ground destination node leveraging simultaneous wireless information and power transfer (SWIPT)…

信息论 · 计算机科学 2020-06-01 Milad Tatar Mamaghani , Yi Hong

This paper investigates unmanned aerial vehicle (UAV)-aided jamming technique for enabling physical layer keyless security in scenarios where the exact eavesdropper location is unknown. We assume that the unknown eavesdropper location is…

信息论 · 计算机科学 2020-08-10 Christantus O. Nnamani , Muhammad R. A. Khandaker , Mathini Sellathurai

This paper proposes a tractable analysis framework to evaluate the reliability, security and secrecy energy efficiency (SEE) performance in a UAV-enabled communication network via a threshold-based access scheme and multi-antenna technique.

网络与互联网体系结构 · 计算机科学 2018-01-18 Xiaohui Qi , Bin Li , Zheng Chu , Kaizhi Huang , Hongbin Chen , Zesong Fei

Unmanned aerial vehicles (UAVs) have gained popularity due to their flexible mobility, on-demand deployment, and the ability to establish high probability line-of-sight wireless communication. As a result, UAVs have been extensively used as…

系统与控制 · 电气工程与系统科学 2023-07-06 Yunhao Quan , Nan Cheng , Xiucheng Wang , Jinglong Shen , Longfei Ma , Zhisheng Yin

A novel approach that combines visible light communication (VLC) with unmanned aerial vehicles (UAVs) to simultaneously provide flexible communication and illumination is proposed. To minimize the power consumption, the locations of UAVs…

信号处理 · 电气工程与系统科学 2019-05-13 Yang Yang , Mingzhe Chen , Caili Guo , Chunyan Feng , Walid Saad

UAV (unmanned aerial vehicle) is rapidly gaining traction in various human activities and has become an integral component of the satellite-air-ground-sea (SAGS) integrated network. As high-speed moving objects, UAVs not only have extremely…

网络与互联网体系结构 · 计算机科学 2023-06-19 Haoxiang Luo , Yifan Wu , Gang Sun , Hongfang Yu , Mohsen Guizani

This paper studies physical-layer secure transmissions from a transmitter to a legitimate receiver against an eavesdropper over slow fading channels, taking into account the impact of finite blocklength secrecy coding. A comprehensive…

信息论 · 计算机科学 2020-02-11 Tong-Xing Zheng , Hui-Ming Wang , Derrick Wing Kwan Ng , Jinhong Yuan

To enhance both the sensing and covert communication performance, a dual-unmanned aerial vehicle (UAV)-aided scheme is proposed for integrated sensing and communication networks, in which one UAV maneuvers as the aerial dual-functional…

This work employs an unmanned aerial vehicle (UAV) as a jammer to aid a covert communication from a transmitter Alice to a receiver Bob, where the UAV transmits artificial noise (AN) with random power to deliberately create interference to…

信息论 · 计算机科学 2022-02-28 Hangmei Rao , Sa Xiao , Shihao Yan , Jianquan Wang , Wanbin Tang

In this paper we study the deployment of multiple unmanned aerial vehicles (UAVs) to form a temporal UAV network for the provisioning of emergent communications to affected people in a disaster zone, where each UAV is equipped with a…

分布式、并行与集群计算 · 计算机科学 2021-07-20 Wenzheng Xu , Yueying Sun , Rui Zou , Weifa Liang , Qiufen Xia , Feng Shan , Tian Wang , Xiaohua Jia , Zheng Li

In Unmanned Aerial Vehicle (UAV)-enabled mobile edge computing (MEC) systems, UAVs can carry edge servers to help ground user equipment (UEs) offloading their computing tasks to the UAVs for execution. This paper aims to minimize the total…

多智能体系统 · 计算机科学 2020-10-27 Sujunjie Sun , Guopeng Zhang , Haibo Mei , Kezhi Wang , Kun Yang

Unmanned aerial vehicle (UAV)-enabled communication is a promising technology to extend coverage and enhance throughput for traditional terrestrial wireless communication systems. In this paper, we consider a UAV-enabled wireless sensor…

信息论 · 计算机科学 2020-02-25 Jingwei Zhang , Yong Zeng , Rui Zhang

In this paper, we investigate the physical layer security of a full-duplex base station (BS) aided system in the worst case, where an uplink transmitter (UT) and a downlink receiver (DR) are both equipped with a single antenna, while a…

信息论 · 计算机科学 2019-04-23 Zhengmin Kong , Shaoshi Yang , Die Wang , Lajos Hanzo