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相关论文: Collision Risk Analysis for LEO Satellites with Co…

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Low Earth Orbit (LEO) Earth Observation (EO) satellites have changed the way we monitor Earth. Acting like moving cameras, EO satellites are formed in constellations with different missions and priorities, and capture vast data that needs…

网络与互联网体系结构 · 计算机科学 2024-09-18 Xiaojian Wang , Ruozhou Yu , Dejun Yang , Guoliang Xue

Spacecraft collision avoidance procedures have become an essential part of satellite operations. Complex and constantly updated estimates of the collision risk between orbiting objects inform the various operators who can then plan risk…

Fully Homomorphic Encryption (FHE) enables computations on encrypted data, preserving confidentiality without the need for decryption. However, FHE is often hindered by significant performance overhead, particularly for high-precision and…

密码学与安全 · 计算机科学 2024-09-06 Chao Wang , Shubing Yang , Xiaoyan Sun , Jun Dai , Dongfang Zhao

Due to their low latency, high capacity, and seamless worldwide coverage, low Earth orbit (LEO) satellites are essential to the equal access network. Stochastic geometry (SG) is an appropriate method for such a large and irregular system.…

网络与互联网体系结构 · 计算机科学 2022-08-02 Yanbo Cao , Derui Gao , Jingyu Xu

Earth Observation (EO) has traditionally involved the transmission of a large volume of raw data to map the Earth surface. This results in congestion to the satellite network and delays in the availability of the results, invalidating the…

网络与互联网体系结构 · 计算机科学 2024-10-11 Antonio M. Mercado-Martínez , Beatriz Soret , Antonio Jurado-Navas

The regenerative capabilities of next-generation satellite systems offer a novel approach to design low earth orbit (LEO) satellite communication systems, enabling full flexibility in bandwidth and spot beam management, power control, and…

信息论 · 计算机科学 2023-12-19 Sovit Bhandari , Thang X. Vu , Symeon Chatzinotas

Federated learning (FL) enables distributed computation of machine learning models over various disparate, remote data sources, without requiring to transfer any individual data to a centralized location. This results in an improved…

The growing density of satellites in low-Earth orbit (LEO) presents serious challenges to space sustainability, primarily due to the increased risk of in-orbit collisions. Traditional ground-based tracking systems are constrained by latency…

图像与视频处理 · 电气工程与系统科学 2025-08-04 Peng Hu , Wenxuan Zhang

Interest in the use of the low earth orbit (LEO) in space - from $160 \text{ km}$ to $2000 \text{ km}$ - has skyrocketed; this is evident by the fact that National Aeronautics and Space Administration (NASA) has partnered with various…

信号处理 · 电气工程与系统科学 2025-02-11 Don-Roberts Emenonye , Harpreet S. Dhillon , R. Michael Buehrer

The widespread deployment of products powered by machine learning models is raising concerns around data privacy and information security worldwide. To address this issue, Federated Learning was first proposed as a privacy-preserving…

Fully homomorphic encryption (FHE) enables a simple, attractive framework for secure search. Compared to other secure search systems, no costly setup procedure is necessary; it is sufficient for the client merely to upload the encrypted…

密码学与安全 · 计算机科学 2021-09-17 Seung Geol Choi , Dana Dachman-Soled , S. Dov Gordon , Linsheng Liu , Arkady Yerukhimovich

Optical quantum communication utilizing satellite platforms has the potential to extend the reach of quantum key distribution (QKD) from terrestrial limits of ~200 km to global scales. We have developed a thorough numerical simulation using…

Satellite systems face a significant challenge in effectively utilizing limited communication resources to meet the demands of ground network traffic, characterized by asymmetrical spatial distribution and time-varying characteristics.…

网络与互联网体系结构 · 计算机科学 2023-07-31 Sheikh Salman Hassan , Yu Min Park , Yan Kyaw Tun , Walid Saad , Zhu Han , Choong Seon Hong

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…

Modern satellites deployed in low Earth orbit (LEO) accommodate processing payloads that can be exploited for edge computing. Furthermore, by implementing inter-satellite links, the LEO satellites in a constellation can route the data…

系统与控制 · 电气工程与系统科学 2023-06-23 Marc Martinez-Gost , Israel Leyva-Mayorga , Ana Pérez-Neira , Miguel Ángel Vázquez , Beatriz Soret , Marco Moretti

Providing truly ubiquitous connectivity requires development of low Earth orbit (LEO) satellite Internet, whose theoretical study is lagging behind network-specific simulations. In this paper, we derive analytical expressions for the…

系统与控制 · 电气工程与系统科学 2021-08-26 Niloofar Okati , Taneli Riihonen

Fully Homomorphic Encryption (FHE) is seeing increasing real-world deployment to protect data in use by allowing computation over encrypted data. However, the same malleability that enables homomorphic computations also raises integrity…

密码学与安全 · 计算机科学 2023-02-14 Alexander Viand , Christian Knabenhans , Anwar Hithnawi

With the ubiquitous deployment of web services, ensuring data confidentiality has become a challenging imperative. Fully Homomorphic Encryption (FHE) presents a powerful solution for processing encrypted data; however, its widespread…

密码学与安全 · 计算机科学 2026-05-11 Baigang Chen , Dongfang Zhao

Fully Homomorphic Encryption (FHE) is a relatively recent advancement in the field of privacy-preserving technologies. FHE allows for the arbitrary depth computation of both addition and multiplication, and thus the application of…

机器学习 · 计算机科学 2021-07-29 George Onoufriou , Paul Mayfield , Georgios Leontidis

The extensive deployment of Low Earth Orbit (LEO) satellites introduces significant security challenges for communication security issues in Internet of Things (IoT) networks. With the rising number of satellites potentially acting as…

网络与互联网体系结构 · 计算机科学 2024-07-08 Anna Talgat , Ruibo Wang , Mustafa A. Kishk , Mohamed-Slim Alouini