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Low Probability of Detection (LPD) communication aims to obscure the very presence of radio frequency (RF) signals, going beyond just hiding the content of the communication. However, the use of Unmanned Aerial Vehicles (UAVs) introduces a…

Signal Processing · Electrical Eng. & Systems 2024-02-16 Sivaram Krishnan , Jihong Park , Gregory Sherman , Benjamin Campbell , Jinho Choi

Low probability of detection (LPD) has recently emerged as a means to enhance the privacy and security of wireless networks. Unlike existing wireless security techniques, LPD measures aim to conceal the entire existence of wireless…

Machine Learning · Computer Science 2023-06-05 Sivaram Krishnan , Jihong Park , Subhash Sagar , Gregory Sherman , Benjamin Campbell , Jinho Choi

A novel near-field integrated sensing and communications framework for secure unmanned aerial vehicle (UAV) networks with high time efficiency is proposed. A ground base station (GBS) with large aperture size communicates with one…

Signal Processing · Electrical Eng. & Systems 2025-08-18 Jingjing Zhao , Songtao Xue , Kaiquan Cai , Xidong Mu , Yuanwei Liu , Yanbo Zhu

This paper proposes a noncoherent low probability of detection (LPD) communication system based on direct sequence spread spectrum (DSSS) and Grassmannian signaling. Grassmannian constellations enhance covertness because they tend to follow…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Diego Cuevas , Mikel Gutiérrez , Jesús Ibáñez , Ignacio Santamaria

Unmanned aerial vehicles (UAVs) are widely used for object detection. However, the existing UAV-based object detection systems are subject to the serious challenge, namely, the finite computation, energy and communication resources, which…

Signal Processing · Electrical Eng. & Systems 2024-02-23 Xi Song , Lu Yuan , Zhibo Qu , Fuhui Zhou , Qihui Wu , Tony Q. S. Quek , Rose Qingyang Hu

Unmanned aerial vehicles (UAVs) can provide wireless access to terrestrial users, regardless of geographical constraints, and will be an important part of future communication systems. In this paper, a multi-user downlink dual-UAVs enabled…

Information Theory · Computer Science 2023-10-24 Hongjiang Lei , Jiacheng Jiang , Imran Shafique Ansari , Gaofeng Pan , Mohamed-Slim Alouini

Unmanned aerial vehicles (UAVs) are widely used for object detection. However, the existing UAV-based object detection systems are subject to severe challenges, namely, their limited computation, energy and communication resources, which…

Signal Processing · Electrical Eng. & Systems 2025-02-07 Xi Song , Fuhui Zhou , Rui Ding , Zhibo Qu , Yihao Li , Qihui Wu , Naofal Al-Dhahir

Low probability of detection (LPD) communication has recently emerged as a new transmission technology to address privacy and security in wireless networks. Recent studies have established the fundamental limits of LPD communication in…

Information Theory · Computer Science 2019-06-21 Shihao Yan , Xiangyun Zhou , Jinsong Hu , Stephen V. Hanly

In recent years, there has been a growing interest in using networks of Unmanned Aerial Vehicles (UAV) that collectively perform complex tasks for diverse applications. An important challenge in realizing UAV networks is the need for a…

Systems and Control · Computer Science 2017-11-01 Abolfazl Razi , Fatemeh Afghah , Jacob Chakareski

This paper investigates the use of an unmanned aerial vehicle (UAV) to assist covert communication between a low-Earth orbit (LEO) satellite and a ground user under the surveillance of a passive warden. The UAV simultaneously serves its own…

Signal Processing · Electrical Eng. & Systems 2025-11-11 Hung D. Nguyen , Jeongseok Ha

We propose a novel, Gaussian signaling mechanism for low probability of detection (LPD) communication systems with either single or multiple antennas. The new scheme is designed to allow the noncoherent detection of Gaussian-distributed…

Signal Processing · Electrical Eng. & Systems 2023-01-10 Yuma Katsuki , Giuseppe Thadeu Freitas de Abreu , Koji Ishibashi , Naoki Ishikawa

Unmanned aerial vehicle (UAV)-assisted communication becomes a promising technique to realize the beyond fifth generation (5G) wireless networks, due to the high mobility and maneuverability of UAVs which can adapt to heterogeneous…

Signal Processing · Electrical Eng. & Systems 2020-09-17 Chang Liu , Weijie Yuan , Zhiqiang Wei , Xuemeng Liu , Derrick Wing Kwan Ng

This paper studies a secrecy unmanned aerial vehicle (UAV) communication system with coordinated multi-point (CoMP) reception, in which one UAV sends confidential messages to a set of distributed ground nodes (GNs) that can cooperate in…

Signal Processing · Electrical Eng. & Systems 2019-05-28 Jianping Yao , Canhui Zhong , Zhihan Liu , Jie Xu

Unmanned aerial vehicles (UAVs) have attracted a lot of research attention because of their high mobility and low cost in serving as temporary aerial base stations (BSs) and providing high data rates for next-generation communication…

Information Theory · Computer Science 2022-02-03 Hongyang Du , Dusit Niyato , Yuan-ai Xie , Yanyu Cheng , Jiawen Kang , Dong In Kim

This paper presents a Koopman-based model predictive control (MPC) framework for safe UAV navigation in dynamic environments using real-time LiDAR data. By leveraging the Koopman operator to linearly approximate the dynamics of surrounding…

Systems and Control · Electrical Eng. & Systems 2025-11-11 Vitor Bueno , Ali Azarbahram , Marcello Farina , Lorenzo Fagiano

Herein, an interference-aware predictive aerial-and-terrestrial communication problem is studied, where an unmanned aerial vehicle (UAV) delivers some data payload to a few nodes within a communication deadline. The first challenge is the…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Bowen Li , Junting Chen

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…

Information Theory · Computer Science 2024-06-11 Hongjiang Lei , Dongyang Meng , Haoxiang Ran , Ki-Hong Park , Gaofeng Pan , Mohamed-Slim Alouini

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.…

Information Theory · Computer Science 2019-09-04 Xiaobo Zhou , Shihao Yan , Jinsong Hu , Jiande Sun , Jun Li , Feng Shu

With growing popularity, unmanned aerial vehicles (UAVs) are pivotally extending conventional terrestrial Internet of Things (IoT) into the sky. To enable high-performance two-way communications of UAVs with their ground pilots/users,…

Signal Processing · Electrical Eng. & Systems 2019-04-26 Jiangbin Lyu , Rui Zhang

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…

Cryptography and Security · Computer Science 2024-03-15 Chan Gao , Linying Tian , Dong Zheng
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