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A Bluetooth based intra-satellite communication system
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis presents a wireless communication system for intra-satellite communication based on Bluetooth Low Energy technology, which can have many benefits regarding the design and operation of satellites. The proposed design based on the nRF53832 chip from Nordic Semiconductor is described, followed by the results of several tests regarding the most important design criteria for its application in small satellites. The tested aspects include the power consumption of the wireless module in different operation modes, which is sufficiently low for the application even in small satellites. Signal strength measurements for various output power settings and obstacles show that reliable communication is possible in a satellite mockup. No packet error was detected, and latencies of less than 30 ms combined with achievable data rates between 200 and 700 kbps should be sufficient for most CubeSat satellites. Additionally, details are given to successfully integrate the chip with existing satellite subsystems. A code library is provided to simplify the communication between the modules, and a concept of a redundant system is established to increase the reliability for critical satellite subsystems. The overall assessment of the technology suggests that the presented system is suitable for in-orbit deployment with the Aalto-3 satellite (currently being developed at Aalto University), which will provide further validation of the technology. 

Place, publisher, year, edition, pages
2017. , 71 p.
Keyword [en]
Wireless networks, CubeSat, satellite, Bluetooth, Low Energy, communication, data
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-65116OAI: oai:DiVA.org:ltu-65116DiVA: diva2:1133479
External cooperation
Aalto University, Finland
Educational program
Space Engineering, master's level (120 credits)
Supervisors
Available from: 2017-08-18 Created: 2017-08-16 Last updated: 2017-08-18Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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