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Miniaturized satellites are currently not considered suitable for critical, high-priority, and complex multi-phased missions, due to their low reliability. As hardware-side fault tolerance (FT) solutions designed for larger spacecraft can…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-26 Christian M. Fuchs , Nadia M. Murillo , Aske Plaat , Erik van der Kouwe , Todor Stefanov

Computing tasks are ubiquitous in space missions. Conventionally, these tasks are offloaded to ground servers for computation, where the transmission of raw data on satellite-to-ground links severely constrains the performance. To overcome…

Systems and Control · Electrical Eng. & Systems 2022-11-18 Jiaqi Cao , Shengli Zhang , Qingxia Chen , Houtian Wang , Mingzhe Wang , Naijin Liu

The emergence of mega-constellations of interconnected satellites has a major impact on the integration of cellular wireless and non-terrestrial networks, while simultaneously offering previously inconceivable data gathering capabilities.…

Information Theory · Computer Science 2024-09-24 Nasrin Razmi , Bho Matthiesen , Armin Dekorsy , Petar Popovski

The exponential surge in high-resolution remote sensing data faces a severe bottleneck in satellite-to-ground transmission. Limited downlink bandwidth forces the use of extreme high-ratio compression, which irreversibly destroys…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Yun Li , Xianju Li

Earth observation (EO) satellites produce massive streams of multispectral image time series, posing pressing challenges for storage and transmission. Yet, learned EO compression remains fragmented and lacks publicly available, large-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Julen Costa-Watanabe , Isabelle Wittmann , Benedikt Blumenstiel , Konrad Schindler

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

One of the major bottlenecks in high-resolution Earth Observation (EO) space systems is the downlink between the satellite and the ground. Due to hardware limitations, on-board power limitations or ground-station operation costs, there is a…

Machine Learning · Computer Science 2023-11-21 Cédric Gernigon , Silviu-Ioan Filip , Olivier Sentieys , Clément Coggiola , Mickaël Bruno

The amount of data generated by Earth observation satellites can be enormous, which poses a great challenge to the satellite-to-ground connections with limited rate. This paper considers problem of efficient downlink communication of…

Signal Processing · Electrical Eng. & Systems 2023-11-28 Van-Phuc Bui , Thinh Q. Dinh , Israel Leyva-Mayorga , Shashi Raj Pandey , Eva Lagunas , Petar Popovski

Space has emerged as an exciting new application area for machine learning, with several missions equipping deep learning capabilities on-board spacecraft. Pre-processing satellite data through on-board training is necessary to address the…

Machine Learning · Computer Science 2024-11-04 Grace Kim , Luca Powell , Filip Svoboda , Nicholas Lane

The immense volume of data generated by Earth observation (EO) satellites presents significant challenges in transmitting it to Earth over rate-limited satellite-to-ground communication links. This paper presents an efficient downlink…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Van-Phuc Bui , Shashi Raj Pandey , Israel Leyva-Mayorga , Petar Popovski

Devices located in remote regions often lack coverage from well-developed terrestrial communication infrastructure. This not only prevents them from experiencing high quality communication services but also hinders the delivery of machine…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-20 Dong-Jun Han , Wenzhi Fang , Seyyedali Hosseinalipour , Mung Chiang , Christopher G. Brinton

We present a neuromorphic split-computing framework for energy-efficient low-latency inference over optical inter-satellite links. The system partitions a spiking neural network (SNN) between edge and core nodes. To transmit sparse spiking…

Image and Video Processing · Electrical Eng. & Systems 2025-11-21 Zihang Song , Petar Popovski

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

Federated Learning (FL) has emerged as a fundamental learning paradigm to harness massive data scattered at geo-distributed edge devices in a privacy-preserving way. Given the heterogeneous deployment of edge devices, however, their data…

Networking and Internet Architecture · Computer Science 2024-05-30 Mulei Ma , Chenyu Gong , Liekang Zeng , Yang Yang , Liantao Wu

Arctic regions, such as northern Canada, face significant challenges in achieving consistent connectivity and low-latency computing services due to the sparse coverage of Low Earth Orbit (LEO) satellites. To enhance service reliability in…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Mohammed Almekhlafi , Antoine Lesage-Landry , Gunes Karabulut Kurt

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

The edge computing paradigm places compute-capable devices - edge servers - at the network edge to assist mobile devices in executing data analysis tasks. Intuitively, offloading compute-intense tasks to edge servers can reduce their…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Yoshitomo Matsubara , Marco Levorato

Satellite computing has emerged as a promising technology for next-generation wireless networks. This innovative technology provides data processing capabilities, which facilitates the widespread implementation of artificial intelligence…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-24 Shifeng Peng , Xuefeng Hou , Zhishu Shen , Qiushi Zheng , Jiong Jin , Atsushi Tagami , Jingling Yuan

Emerging applications such as autonomous driving pose the challenge of efficient cost-driven offloading in edge-cloud environments. This involves assigning tasks to edge and cloud servers for separate execution, with the goal of minimizing…

Discrete Mathematics · Computer Science 2024-11-26 Longkun Guo , Jiawei Lin , Xuanming Xu , Peng Li

With the emergence of fluid antenna (FA) in wireless communications, the capability to dynamically adjust port positions offers substantial benefits in spatial diversity and spectrum efficiency, which are particularly valuable for mobile…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Ying Ju , Mingdong Li , Haoyu Wang , Lei Liu , Youyang Qu , Mianxiong Dong , Victor C. M. Leung , Chau Yuen