4.- Flexibility

In the context of engineering design, flexibility refers to the ability of a system to respond to potential internal or external changes affecting its value delivery, in a timely and cost-effective manner.

Indicators of Flexibility

It follows a list of possible flexibility indicators for a software-defined GNSS receiver:

  • Possibility to either use synthetically generated or real-life GNSS signals.
  • Possibility to process signals either in real time or in post-processing time (only limited by the computational capacity of the processing platform executing the software receiver).
  • Possibility to use interchangeable RF front-ends.
  • Possibility to define custom receiver architectures.
  • Possibility to easily define / interchange implementations and parameters for each processing block.
  • Possibility to change parameters while the software is executing.
  • Possibility to be executed in different processing platforms (mainframes,personal computers, embedded systems, etc).
  • Availability of a versatile configuration mechanism.
  • Availability of operation modes, as combinations of:
    • Single / multiple frequency bands.
    • Single / multiple constellations.
    • Stand-alone / assisted / differential GNSS.

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