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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

Modern Earth Observation (EO) missions generate massive volumes of imagery that challenge existing downlink and ground-processing capabilities, particularly for time-critical applications. This work investigates how a low Earth orbit (LEO)…

In real-time and high-resolution Earth observation imagery, Low Earth Orbit (LEO) satellites capture images that are subsequently transmitted to ground to create an updated map of an area of interest. Such maps provide valuable information…

网络与互联网体系结构 · 计算机科学 2023-07-18 Israel Leyva-Mayorga , Marc M. Gost , Marco Moretti , Ana Pérez-Neira , Miguel Ángel Vázquez , Petar Popovski , Beatriz Soret

The end of 2019 marked a bushfire crisis for Australia that affected more than 100000km2 of land and destroyed more than 2000 houses. Here, we propose a method of in-orbit bushfire detection with high efficiency to prevent a repetition of…

最优化与控制 · 数学 2022-09-16 Minduli Wijayatunga , Xiaofeng Wu

Low Earth Orbit (LEO) satellite constellations are bringing the Internet of Things (IoT) to the space arena, also known as non-terrestrial networks. Several IoT satellite applications for tracking ships and cargo can be seen as exemplary…

网络与互联网体系结构 · 计算机科学 2020-07-13 Federico Chiariotti , Olga Vikhrova , Beatriz Soret , Petar Popovski

The growth of Low Earth Orbit (LEO) broadband satellite megaconstellations is rapidly increasing the number of rocket launches. While improving broadband Internet helps achieve the Sustainable Development Goals (SDGs), there are also…

地球与行星天体物理 · 物理学 2026-04-15 Ogutu B. Osoro , Edward J. Oughton , Andrew R. Wilson , Akhil Rao

Earth observation (EO) satellites in Low Earth Orbit (LEO) are collecting vast amounts of data, which are invaluable for applications such as monitoring forest fires. However, data downloading from EO satellites faces significant challenges…

网络与互联网体系结构 · 计算机科学 2025-11-27 Bo Wu , David Tipper , Pengfei Zhou

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

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

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…

Low Earth orbit (LEO) satellite mega-constellation networks aim to address the high connectivity demands with a projected 50,000 satellites in less than a decade. To fully utilize such a large-scale dynamic network, an air network composed…

信号处理 · 电气工程与系统科学 2022-06-28 Eray Güven , Güneş Karabulut Kurt

Low Earth orbit (LEO) satellite Internet of Things (IoT) has been identified as one of the important components of the sixth-generation (6G) non-terrestrial networks (NTN) to provide ubiquitous connectivity. Due to the low orbit altitude…

信息论 · 计算机科学 2025-09-03 Ming Ying , Xiaoming Chen , Qiao Qi , Zhaoyang Zhang

In recent years, the number of satellites in orbit has increased rapidly, with megaconstellations like Starlink providing near-global, delay-sensitive communication services. However, not all satellite communication use cases have stringent…

网络与互联网体系结构 · 计算机科学 2026-03-10 Ethan Fettes , Pablo G. Madoery , Halim Yanikomeroglu , Gunes Karabulut Kurt , Abhishek Naik , Stéphane Martel

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

As emerging massive constellations are intended to provide seamless connectivity for remote areas using hundreds of small low Earth orbit (LEO) satellites, new methodologies have great importance to study the performance of these networks.…

网络与互联网体系结构 · 计算机科学 2020-10-05 Niloofar Okati , Taneli Riihonen

Recent breakthroughs in technology have led to a thriving "new space" culture in low-Earth orbit (LEO) in which performance and cost considerations dominate over resilience and reliability as mission goals. These advances create a manifold…

网络与互联网体系结构 · 计算机科学 2022-10-21 Gregory Stock , Juan A. Fraire , Holger Hermanns , Eduardo Cruz , Alastair Isaacs , Zhana Imbrosh

Non-terrestrial networks (NTN), particularly low Earth orbit (LEO) satellite networks, have emerged as a promising solution to overcome the limitations of traditional terrestrial networks in the context of next-generation (6G) wireless…

系统与控制 · 电气工程与系统科学 2023-10-09 Yanwu Lu , Howard Yang , Nikolaos Pappas , Giovanni Geraci , Chuan Ma , Tony Q. S. Quek

Low Earth orbit (LEO) satellite constellations rely on inter-satellite links (ISLs) to provide global connectivity. However, one significant challenge is to establish and maintain inter-plane ISLs, which support communication between…

网络与互联网体系结构 · 计算机科学 2021-06-14 Israel Leyva-Mayorga , Maik Röper , Bho Matthiesen , Armin Dekorsy , Petar Popovski , Beatriz Soret

Meteorological disasters such as typhoons, forest fires, and floods can damage the communication infrastructures, which will further disable the communication capabilities of cellular networks. The multi-hop wireless communication based on…

网络与互联网体系结构 · 计算机科学 2025-05-15 Yang Gao , Zezhi Zeng

The Internet is going through a massive infrastructural revolution with the advent of low-flying satellite networks, 5/6G, WiFi7, and hollow-core fiber deployments. While these networks could unleash enhanced connectivity and new…

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