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Dynamic space link design and verification of the spinning spacecraft mission Eu:CROPIS

Budroweit, Jan and Drobczyk, Martin (2019) Dynamic space link design and verification of the spinning spacecraft mission Eu:CROPIS. In: 2019 IEEE Topical Workshop on Internet of Space, TWIOS 2019. IEEE Radio & Wireless Week 2019, 20.-23. Jan. 2019, Orlando, USA. ISBN 978-153865962-5

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Abstract

In this paper, we present a dynamical link budget approach for the verification of the communication subsystem of the Eu:CROPIS (Euglena and Combined Regenerative Organic Food Production in Space) satellite. Eu:CROPIS is a spin-stabilized satellite, which simulates the gravitational fields of Moon and Mars for on-board performed astrobiological research. For this reason, spin rates of up to 30rpm are obtained, which exert influence on the communication link between the satellite and the ground stations. From ground station perspective, the satellite antenna’s far-field behaves dynamic, including amplitude variations and phase rotations. Both effects degrade the link quality and might lead to an abort of communication. With respect to satellite orbit parameters (e.g. orbit attitude and pointing direction) a dynamic link budget analysis and verification is performed, to ensure a stable communication link between the satellite and ground station under the defined worst case conditions. In this paper we introduce the evaluation and verification process to test the receiver electronics, by emulating the communication link with the premeasured far-field pattern of the satellite antenna system and simulated orbit parameters

Item URL in elib:https://elib.dlr.de/126533/
Document Type:Conference or Workshop Item (Speech)
Title:Dynamic space link design and verification of the spinning spacecraft mission Eu:CROPIS
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Budroweit, JanJan.Budroweit (at) dlr.deUNSPECIFIED
Drobczyk, MartinMartin.Drobczyk (at) dlr.deUNSPECIFIED
Date:2019
Journal or Publication Title:2019 IEEE Topical Workshop on Internet of Space, TWIOS 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
ISBN:978-153865962-5
Status:Published
Keywords:RF Link design, spin-stabilized satellite, satellite communication, RF link emulation
Event Title:IEEE Radio & Wireless Week 2019
Event Location:Orlando, USA
Event Type:international Conference
Event Dates:20.-23. Jan. 2019
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):Compact-Satelliten FO
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Avionics Systems
Deposited By: Budroweit, Jan
Deposited On:20 Feb 2019 09:39
Last Modified:03 Jul 2019 09:11

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