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This letter considers a fluid antenna system (FAS)-aided secure and covert communication system, where the transmitter adjusts multiple fluid antennas' positions to achieve secure and covert transmission under the threat of an eavesdropper…

信号处理 · 电气工程与系统科学 2024-11-15 Junteng Yao , Liangxiao Xin , Tuo Wu , Ming Jin , Kai-Kit Wong , Chau Yuen , Hyundong Shin

Open-source large language models (LLMs) have become increasingly popular among both the general public and industry, as they can be customized, fine-tuned, and freely used. However, some open-source LLMs require approval before usage,…

密码学与安全 · 计算机科学 2024-07-04 Ziqing Yang , Michael Backes , Yang Zhang , Ahmed Salem

Programmable metasurfaces and adjustable antennas are promising technologies. The security of a rotatable array system is investigated in this paper. A dual-base-station (BS) architecture is adopted, in which the BSs collaboratively perform…

信号处理 · 电气工程与系统科学 2025-11-18 Maolin Li , Feng Shu , Minghao Chen , Cunhua Pan , Fuhui Zhou , Yongpeng Wu , Liang Yang

The Automatic Dependent Surveillance-Broadcast (ADS-B) protocol is increasingly being adopted by the aviation industry as a method for aircraft to relay their position to Air Traffic Control (ATC) monitoring systems. ADS-B provides greater…

密码学与安全 · 计算机科学 2022-07-05 Christopher Neal , Jean-Yves De Miceli , David Barrera , José Fernandez

This paper proposes a secure downlink multi-user transmission scheme enabled by a flexible unmanned aerial vehicle base station (UAV-BS) and non-orthogonal multiple access (NOMA). According to their heterogeneous service requirements,…

信息论 · 计算机科学 2020-06-11 Hui-Ming Wang , Xu Zhang

The growing presence of unauthorized drones poses significant threats to public safety, underscoring the need for aerial surveillance solutions. This work proposes a cell-free integrated sensing and communication (ISAC) framework enabling…

信息论 · 计算机科学 2025-12-09 Zinat Behdad , Ozan Alp Topal , Cicek Cavdar

Unmanned aerial vehicles (UAVs) are widely applied in multiple fields, which emphasizes the challenge of obtaining UAV flight information to ensure the airspace safety. UAVs equipped with automatic dependent surveillance-broadcast (ADS-B)…

信号处理 · 电气工程与系统科学 2024-05-03 Ziye Jia , Yiyang Liao , Chao Dong , Lijun He , Qihui Wu , Lei Zhang

Six-dimensional movable antenna (6DMA) has been widely studied for capacity enhancement, but its potential for physical layer security (PLS) remains largely unexplored. By adjusting both three-dimensional (3D) positions and 3D rotations of…

系统与控制 · 电气工程与系统科学 2025-09-23 Yanzhi Qian , Jing Jiang , Jingze Ding , Xiaoshao Dan , Hongyun Chu

Beyond Line of Sight (BLOS) communication stands as an indispensable element within defense communication strategies, facilitating information exchange in scenarios where traditional Line of Sight (LOS) methodologies encounter obstruction.…

信号处理 · 电气工程与系统科学 2023-12-12 Ruhul Amin Khalil , Muhammad Haris , Nasir Saeed

The Internet of Things (IoT) will soon be omnipresent and billions of sensors and actuators will support our industries and well-being. IoT devices are embedded systems that are connected using wireless technology for most of the cases. The…

系统与控制 · 电气工程与系统科学 2020-05-18 Aly Sabri Abdalla , Bodong Shang , Vuk Marojevic , Lingjia Liu

This paper confronts the pressing challenges of sixth-generation (6G) wireless communication networks by harnessing the unique capabilities of Unmanned Aerial Vehicles (UAVs). With the ambitious promises of 6G, including ultra-reliable 1…

密码学与安全 · 计算机科学 2024-02-20 Atefeh Mohseni Ejiyeh

The integration of radar sensors and communication networks as envisioned for the 6G wireless networks poses significant security risks, e.g., the user position information can be released to an unauthorized dual-functional base station…

信息论 · 计算机科学 2025-01-28 Fan Xu , Wenhai Lai , Kaiming Shen

Advancements toward 6G have intensified demands for ultra-reliable low-latency communication, positioning shortpacket communications as a critical technology for autonomous aerial vehicle (AAV) networks. However, the open broadcast nature…

系统与控制 · 电气工程与系统科学 2025-09-19 Huiling Liu , Junshan Luo , Shilian Wang , Fanggang Wang , Theodoros A. Tsiftsis , Symeon Chatzinotas

The trend toward autonomous robot deployments is on an upward growth curve. These robots are undertaking new tasks and are being integrated into society. Examples of this trend are autonomous vehicles, humanoids, and eldercare. The movement…

密码学与安全 · 计算机科学 2019-04-30 Vincenzo DiLuoffo , William R. Michalson , Berk Sunar

This paper examines the impact of emerging fluid antenna systems (FAS) on reconfigurable intelligent surface (RIS)-aided secure communications. Specifically, we consider a classic wiretap channel, where a fixed-antenna transmitter sends…

For decades, satellites have facilitated remote internet of things (IoT) services. However, the recent proliferation of increasingly capable sensors and a surge in the number deployed, has led to a substantial growth in the volume of data…

网络与互联网体系结构 · 计算机科学 2024-08-20 Ethan Fettes , Pablo G. Madoery , Halim Yanikomeroglu , Gunes Karabulut Kurt , Colin Bellinger , Stéphane Martel , Khaled Ahmed , Sameera Siddiqui

In this work, we study an unmanned aerial vehicle (UAV)-enabled secure integrated sensing and communication (ISAC) system, where a UAV serves as an aerial base station (BS) to simultaneously perform communication with a user and detect a…

信息论 · 计算机科学 2025-05-28 Jianping Yao , Zeyu Yang , Zai Yang , Jie Xu , Tony Q. S. Quek

In recent years, satellite communication (SatCom) systems have been widely used for navigation, broadcasting application, disaster recovery, weather sensing, and even spying on the Earth. As the number of satellites is highly increasing and…

信号处理 · 电气工程与系统科学 2022-04-05 Olfa Ben Yahia , Eylem Erdogan , Gunes Karabulut Kurt , Ibrahim Altunbas , Halim Yanikomeroglu

This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

信息论 · 计算机科学 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

This correspondence investigates a reconfigurable intelligent surface (RIS)-assisted wireless communication system with security threats. The RIS is deployed to enhance the secrecy outage probability (SOP) of the data sent to a legitimate…

信息论 · 计算机科学 2022-11-30 Wei Shi , Jindan Xu , Wei Xu , Marco Di Renzo , Chunming Zhao