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The CubeSat Space Protocol (CSP) has proven to be an effective and efficient communication protocol specifically designed for distributed embedded systems within small networks such as those found in nanosatellites. The lack of standardisation in this protocol has raised concerns among space engineers about interoperability, error rates and reliability. Despite these concerns, CSP has been widely adopted and integrated into several major projects. This paper highlights the critical need for standardisation of CSP, with a focus on robust modelling and verification methodologies for data transmission. The study provides an in-depth analysis of CSP, emphasising its client-server architecture through finite-state machine modelling. In particular, advanced verification techniques using the Promela language are employed to provide a high level of reliability for the protocol by rigorously examining packet transmission. The results confirm the effectiveness of CSP and highlight the need for standardisation, allowing CubeSat developers to implement the protocol with greater confidence and efficiency.

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From Concept to Standard: The Trajectory of CubeSat Space Protocol Standardization

  • 会议论文

  • 发表日期：

    2025年

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  • Fadwa Belali,
  • Slimane Bah,
  • Ilyas El Wafi,
  • Amina Daghouri,
  • Zouhair Guennoun

摘要

The CubeSat Space Protocol (CSP) has proven to be an effective and efficient communication protocol specifically designed for distributed embedded systems within small networks such as those found in nanosatellites. The lack of standardisation in this protocol has raised concerns among space engineers about interoperability, error rates and reliability. Despite these concerns, CSP has been widely adopted and integrated into several major projects. This paper highlights the critical need for standardisation of CSP, with a focus on robust modelling and verification methodologies for data transmission. The study provides an in-depth analysis of CSP, emphasising its client-server architecture through finite-state machine modelling. In particular, advanced verification techniques using the Promela language are employed to provide a high level of reliability for the protocol by rigorously examining packet transmission. The results confirm the effectiveness of CSP and highlight the need for standardisation, allowing CubeSat developers to implement the protocol with greater confidence and efficiency.