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Low Earth Orbit (LEO) satellites undergo a period of rapid development driven by ever-increasing user demands, reduced costs, and technological progress. Since there is a paucity of literature on the security and reliability issues of LEO…

Signal Processing · Electrical Eng. & Systems 2023-07-20 Pingyue Yue , Jianping An , Jiankang Zhang , Jia Ye , Gaofeng Pan , Shuai Wang , Pei Xiao , Lajos Hanzo

Physical-layer security is regaining traction in the research community, due to the performance boost introduced by deep learning classification algorithms. This is particularly true for sender authentication in wireless communications via…

Cryptography and Security · Computer Science 2020-10-13 Gabriele Oligeri , Simone Raponi , Savio Sciancalepore , Roberto Di Pietro

The rapid proliferation of satellite constellations, particularly in Low Earth Orbit (LEO), has fundamentally altered the global space infrastructure, shifting the risk landscape from purely kinetic collisions to complex cyber-physical…

Cryptography and Security · Computer Science 2025-12-29 Mark Ballard , Guanqun Song , Ting Zhu

Detecting spoofing attacks to Low-Earth-Orbit (LEO) satellite systems is a cornerstone to assessing the authenticity of the received information and guaranteeing robust service delivery in several application domains. The solutions…

Cryptography and Security · Computer Science 2025-05-23 Jos Wigchert , Savio Sciancalepore , Gabriele Oligeri

Satellites play a vital role in remote communication where traditional communication mediums struggle to provide benefits over associated costs and efficiency. In recent years, satellite communication has achieved utter interest in the…

Cryptography and Security · Computer Science 2023-10-31 Rupok Chowdhury Protik

Low earth orbit (LEO) satellite plays an indispensable role in the earth network because of its low latency, large capacity, and seamless global coverage. For such an unprecedented extensive irregular system, stochastic geometry (SG) is a…

Information Theory · Computer Science 2021-10-26 Ruibo Wang , Mustafa A. Kishk , Mohamed-Slim Alouini

Offering space-based Internet services with mega-constellations of low Earth orbit (LEO) satellites is a promising solution to connecting the unconnected. It can complement the coverage of terrestrial networks to help bridge the digital…

Networking and Internet Architecture · Computer Science 2021-08-18 Xingqin Lin , Stefan Cioni , Gilles Charbit , Nicolas Chuberre , Sven Hellsten , Jean-Francois Boutillon

LEO satellite constellation coverage has served as the base platform for various space applications. However, the rapidly evolving security environment such as orbit debris and adversarial space threats are greatly endangering the security…

Systems and Control · Electrical Eng. & Systems 2022-03-07 Yuhan Zhao , Quanyan Zhu

Emerging satellite Internet constellations such as SpaceX's Starlink will deploy thousands of broadband satellites and construct Low-Earth Orbit(LEO) satellite networks(LSNs) in space, significantly expanding the boundaries of today's…

Networking and Internet Architecture · Computer Science 2024-12-24 Chenwei Gu , Qian Wu , Zeqi Lai , Hewu Li , Jihao Li , Weisen Liu , Qi Zhang , Jun Liu , Yuanjie Li

In recent years, LEO satellite constellations have become envisioned as a core component of the next-generation wireless communication networks. The successive establishment of mega satellite constellations has triggered further demands for…

Networking and Internet Architecture · Computer Science 2023-12-27 Ruibo Wang , Mustafa A. Kishk , Mohamed-Slim Alouini

In this paper, we investigate the performance of large-scale heterogeneous low Earth orbit (LEO) satellite networks in the context of three association schemes. In contrast to existing studies, where single-tier LEO satellite-based network…

Emerging Technologies · Computer Science 2024-05-14 Yuan Guo , Christodoulos Skouroumounis , Symeon Chatzinotas , Ioannis Krikidis

Recently advanced low-Earth-orbit (LEO) satellite networks represented by large constellations and advanced payloads provide great promises for enabling high-quality Internet connectivity to any place on Earth. However, the traditional…

Systems and Control · Electrical Eng. & Systems 2022-12-08 Peng Hu

The use of Low Earth Orbit (LEO) satellites in the next generation (Next-G) communication systems has been gaining traction over the last few years due to their potential for providing global connectivity with low latency. Since they are…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Sambrama , Venkata Srirama Rohit Kantheti , Liang C Chu , Erik Blasch , Shih-Chun Lin

Low Earth Orbit (LEO) satellite networks are increasingly essential for space-based artificial intelligence (AI) applications. However, as commercial use expands, LEO satellite networks face heightened cyberattack risks, especially through…

Cryptography and Security · Computer Science 2024-11-12 Wenbo Wu , Cheng Tan , Kangcheng Yang , Zhishu Shen , Qiushi Zheng , Jiong Jin

Physical layer authentication (PLA) is the process of claiming identity of a node based on its physical layer characteristics such as channel fading or hardware imperfections. In this work, we propose a novel PLA method for the…

Signal Processing · Electrical Eng. & Systems 2022-02-18 Ozan Alp Topal , Gunes Karabulut Kurt

The rapid evolution of communication technologies, compounded by recent geopolitical events such as the Viasat cyberattack in February 2022, has highlighted the urgent need for fast and reliable satellite missions for military and civil…

Cryptography and Security · Computer Science 2024-11-20 Olfa Ben Yahia , William Ferguson , Sumit Chakravarty , Nesrine Benchoubane , Gunes Karabulut Kurt , Gürkan Gür , Gregory Falco

As low Earth orbit (LEO) satellite communication systems are gaining increasing popularity, new theoretical methodologies are required to investigate such networks' performance at large. This is because deterministic and location-based…

Systems and Control · Electrical Eng. & Systems 2020-05-06 Niloofar Okati , Taneli Riihonen , Dani Korpi , Ilari Angervuori , Risto Wichman

Low earth orbit (LEO) satellite constellation-enabled communication networks are expected to be an important part of many Internet of Things (IoT) deployments due to their unique advantage of providing seamless global coverage. In this…

Information Theory · Computer Science 2024-10-28 Keke Ying , Zhen Gao , Sheng Chen , Mingyu Zhou , Dezhi Zheng , Symeon Chatzinotas , Björn Ottersten , H. Vincent Poor

The low-earth-orbit (LEO) satellite network with mega-constellations can provide global coverage while supporting the high-data rates. The coverage performance of such a network is highly dependent on orbit geometry parameters, including…

Information Theory · Computer Science 2022-06-22 Junse Lee , Song Noh , Sooyeob Jeong , Namyoon Lee

The growing number of satellites in low Earth orbit (LEO) has increased concerns about the risk of satellite collisions, which can ultimately result in the irretrievable loss of satellites and a growing amount of space debris. To mitigate…

Cryptography and Security · Computer Science 2025-01-17 Svenja Lage , Felicitas Hörmann , Felix Hanke , Michael Karl
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