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This paper investigates energy efficiency maximization in an integrated sensing and communication framework for satellite-UAV MIMO systems, where a LEO satellite and a UAV simultaneously serve ground users and perform target sensing. Both…

Information Theory · Computer Science 2026-03-03 Ngo Tran Anh Thu , Pham Dang Anh Duc , Bui Trong Duc , Nguyen Minh Quan , Trinh Van Chien , Hoang D. Le

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 increasing number of Anthropogenic Space Objects (ASOs) in Low Earth Orbit (LEO) poses a threat to the safety and sustainability of the space environment. Multiple companies are planning to launch large constellations of hundreds or…

Space Physics · Physics 2022-06-14 Andrea D'Ambrosio , Miles Lifson , Richard Linares

Low earth orbit (LEO) satellite-assisted communications have been considered as one of key elements in beyond 5G systems to provide wide coverage and cost-efficient data services. Such dynamic space-terrestrial topologies impose exponential…

Signal Processing · Electrical Eng. & Systems 2021-10-14 Yaxiong Yuan , Lei lei , Thang X. Vu , Zheng Chang , Symeon Chatzinotas , Sumei Sun

Low earth orbit (LEO) satellite networks are emerging as a key infrastructure for global connectivity and space-based sensing. Many tasks in such systems can be formulated as measurement-set-to-spatial-inference problems, where spatial…

Networking and Internet Architecture · Computer Science 2026-05-12 Liping Tao , Xindi Tong , Chee Wei Tan

Low Earth orbit (LEO) satellites play a crucial role in providing global connectivity for non-terrestrial networks (NTNs) and supporting various Internet-of-Remote-Things (IoRT) applications. Each LEO satellite functions as a relay node in…

Networking and Internet Architecture · Computer Science 2024-05-28 Jinho Choi

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…

Image and Video Processing · Electrical Eng. & Systems 2025-08-04 Peng Hu , Wenxuan Zhang

This paper investigates a low Earth orbit (LEO) satellite communication system enhanced by an active stacked intelligent metasurface (ASIM), mounted on the backplate of the satellite solar panels to efficiently utilize limited onboard space…

Systems and Control · Electrical Eng. & Systems 2025-09-01 Rahman Saadat Yeganeh , Hamid Behroozi , Mohammad Javad Omidi , Mohammad Robat Mili , Eduard A. Jorswieck , Symeon Chatzinotas

The rapid advancement of low Earth orbit (LEO) satellite communication systems has significantly enhanced global connectivity, offering high-capacity, low-latency services crucial for next-generation applications. However, the dense…

Information Theory · Computer Science 2024-11-15 Qianqian Zhang , Ye Hu , Minchae Jung

Multi orbit low earth orbit (LEO) satellites communication is envisioned as a key infrastructure to deliver global coverage, enabling future services from space air ground integrated networks.However, the optimized design of LEO which…

Systems and Control · Electrical Eng. & Systems 2025-11-18 Yingzhuo Sun , Yulan Gao , Ming Xiao , Zhu Han , Octavia A. Dobre

Low-Earth-Orbit (LEO) satellite constellations are becoming integral to 6G infrastructure, but increasing in-orbit computation accelerates battery degradation and raises sustainability concerns. Meanwhile, renewable-heavy regions worldwide…

Networking and Internet Architecture · Computer Science 2026-05-06 Xiaoyi Fan , Yi Ching Chou , Hao Fang , Long Chen , Haoyuan Zhao , Ershun Du , Chongqing Kang , Zhe Chen , Jiangchuan Liu

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

This paper presents a study of an integrated satellite-terrestrial network, where Low-Earth-Orbit (LEO) satellites are used to provide the backhaul link between base stations (BSs) and the core network. The mobility of LEO satellites raises…

Signal Processing · Electrical Eng. & Systems 2023-03-21 Hung Nguyen-Kha , Vu Nguyen Ha , Eva Lagunas , Symeon Chatzinotas , Joel Grotz

Earth observation (EO) satellite missions have been providing detailed images about the state of the Earth and its land cover for over 50 years. Long term missions, such as NASA's Landsat, Terra, and Aqua satellites, and more recently, the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-27 Lynn Miller , Charlotte Pelletier , Geoffrey I. Webb

Satellite-based remote sensing has revolutionised the way we address global challenges. Huge quantities of Earth Observation (EO) data are generated by satellite sensors daily, but processing these large datasets for use in ML pipelines is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Matthew J Allen , Francisco Dorr , Joseph Alejandro Gallego Mejia , Laura Martínez-Ferrer , Anna Jungbluth , Freddie Kalaitzis , Raúl Ramos-Pollán

Earth observation (EO) systems are essential for mapping, catastrophe monitoring, and resource management, but they have trouble processing and sending large amounts of EO data efficiently, especially for specialized applications like…

Low-earth-orbit (LEO) satellite communication systems that use millimeter-wave frequencies rely on large antenna arrays with hybrid analog-digital architectures for rapid beam steering. LEO satellites are only visible from the ground for…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Anders Malthe Westerkam , Amélia Struyf , Dimitri Lederer , Troels Pedersen , François Quitin

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…

Networking and Internet Architecture · Computer Science 2026-03-10 Ethan Fettes , Pablo G. Madoery , Halim Yanikomeroglu , Gunes Karabulut Kurt , Abhishek Naik , Stéphane Martel

Sending massive Earth observation data produced by low Earth orbit (LEO) satellites back to the ground for processing consumes a large amount of on-orbit bandwidth and exacerbates the space-to-ground link bottleneck. Most prior work has…

Networking and Internet Architecture · Computer Science 2026-03-20 Jiangtao Luo , Bingbing Xu , Shaohua Xia , Yongyi Ran

The utilisation of the Very Low Earth Orbit (VLEO) region offers significant application specific, technological, operational, and cost benefits. However, attaining sustained and economically viable VLEO flight is challenging, primarily due…

Fluid Dynamics · Physics 2022-10-19 Franziska Hild , Constantin Traub , Marcel Pfeiffer , Julian Beyer , Stefanos Fasoulas