A Distributed and Hybrid Ground Station Network for Low Earth Orbit Satellites

Deepak Vasisht; Ranveer Chandra

doi:10.1145/3422604.3425926

A Distributed and Hybrid Ground Station Network for Low Earth Orbit Satellites

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Low Earth Orbit satellites for Earth observation have become very popular in recent years due to their ability to take high-resolution images of the Earth at high revisit rates. These satellites collect hundreds of GigaBytes of imagery during their orbit. This data needs to be downloaded using ground stations on Earth. However, due to the low altitudes, the satellites move fast with respect to a ground station, and consequently, have a few minutes time window to download the data to a single station. We propose a geographically distributed ground station design, DGS, that improves robustness and reduces downlink latency. DGS is the first system to use a hybrid ground station model, where only a subset of ground stations are uplink-capable. This paper evaluates the feasibility of this design using simulations and empirical measurements.

Original language	English (US)
Title of host publication	HotNets 2020 - Proceedings of the 19th ACM Workshop on Hot Topics in Networks
Publisher	Association for Computing Machinery
Pages	190-196
Number of pages	7
ISBN (Electronic)	9781450381451
DOIs	https://doi.org/10.1145/3422604.3425926
State	Published - Nov 4 2020
Externally published	Yes
Event	19th ACM Workshop on Hot Topics in Networks, HotNets 2020 - Virtual, Online, United States Duration: Nov 4 2020 → Nov 6 2020

Publication series

Name	HotNets 2020 - Proceedings of the 19th ACM Workshop on Hot Topics in Networks

Conference

Conference	19th ACM Workshop on Hot Topics in Networks, HotNets 2020
Country/Territory	United States
City	Virtual, Online
Period	11/4/20 → 11/6/20

Keywords

distributed ground station
earth observation
ground station architecture
leo satellites
networks
satellite ground stations
satellite networks

ASJC Scopus subject areas

Computer Networks and Communications

Online availability

10.1145/3422604.3425926

Library availability

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Cite this

A Distributed and Hybrid Ground Station Network for Low Earth Orbit Satellites. / Vasisht, Deepak; Chandra, Ranveer.
HotNets 2020 - Proceedings of the 19th ACM Workshop on Hot Topics in Networks. Association for Computing Machinery, 2020. p. 190-196 (HotNets 2020 - Proceedings of the 19th ACM Workshop on Hot Topics in Networks).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Vasisht, D & Chandra, R 2020, A Distributed and Hybrid Ground Station Network for Low Earth Orbit Satellites. in HotNets 2020 - Proceedings of the 19th ACM Workshop on Hot Topics in Networks. HotNets 2020 - Proceedings of the 19th ACM Workshop on Hot Topics in Networks, Association for Computing Machinery, pp. 190-196, 19th ACM Workshop on Hot Topics in Networks, HotNets 2020, Virtual, Online, United States, 11/4/20. https://doi.org/10.1145/3422604.3425926

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abstract = "Low Earth Orbit satellites for Earth observation have become very popular in recent years due to their ability to take high-resolution images of the Earth at high revisit rates. These satellites collect hundreds of GigaBytes of imagery during their orbit. This data needs to be downloaded using ground stations on Earth. However, due to the low altitudes, the satellites move fast with respect to a ground station, and consequently, have a few minutes time window to download the data to a single station. We propose a geographically distributed ground station design, DGS, that improves robustness and reduces downlink latency. DGS is the first system to use a hybrid ground station model, where only a subset of ground stations are uplink-capable. This paper evaluates the feasibility of this design using simulations and empirical measurements.",

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A Distributed and Hybrid Ground Station Network for Low Earth Orbit Satellites

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Keywords

ASJC Scopus subject areas

Online availability

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