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Computational Load Analysis of a Galileo OSNMA-Ready Receiver for ARM-Based Embedded Platforms
Micaela Troglia Gamba1, Mario Nicola1, Beatrice Motella1
1LINKS Foundation, 10138 Turin, Italy.
Sensors (Basel, Switzerland)
|January 14, 2021
Summary
This study implements Galileo Open Signal Navigation Message Authentication (OSNMA) in a real-time software receiver for ARM platforms. It analyzes OSNMA
Area of Science:
- Satellite Navigation Systems
- Signal Authentication
- Embedded Systems Engineering
Background:
- Growing demand for enhanced security and reliability in Global Navigation Satellite System (GNSS) applications.
- Introduction of signal authentication features in evolving GPS and Galileo systems.
- Need for robust authentication mechanisms in safety-critical navigation.
Purpose of the Study:
- To describe the implementation of Galileo Open Signal Navigation Message Authentication (OSNMA) in a real-time software receiver.
- To analyze the software profiling and computational load of OSNMA integration on ARM-based embedded platforms.
- To evaluate the performance of the OSNMA add-on across different embedded platforms.
Main Methods:
- Real-time software implementation of OSNMA within the eNGene receiver family.
- Software profiling analysis to assess the OSNMA add-on's resource utilization.
- Comparative performance evaluation across various ARM-based embedded platforms.
- Computational load analysis of the integrated receiver system.
Main Results:
- Successful integration of OSNMA support into the eNGene software receiver for ARM platforms.
- Detailed software profiling data quantifying the performance impact of OSNMA.
- Comparative analysis demonstrating performance variations across different hardware configurations.
- Assessment of the computational overhead introduced by OSNMA functionalities.
Conclusions:
- The implementation demonstrates the feasibility of integrating OSNMA into real-time embedded GNSS receivers.
- Software profiling and performance analysis provide valuable insights for optimizing OSNMA deployment.
- The study contributes to enhancing the security and reliability of navigation services on embedded platforms.
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