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Debugging of scheduler

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Stanislav Barantsev edited this page Nov 26, 2021 · 3 revisions

A so-called ‘time travel’ approach was implemented. By ‘time travel’ a virtual change in time is assumed. It means that if we need to simulate a moving satellite that was scheduled to a specific time, we just need to make the system think that this time has arrived. In such a case system will behave exactly as when the real satellite comes over the horizon. There are two time travels possible in the scope of the GSC utility, that provides a full scope of debugging functionality that was needed during development:

  • Time travel to the next satellite’s AOS
  • Time travel to the next satellite’s LOS

The first case makes it possible to simulate the next satellite: this is important to verify that the antenna positioning system and SDR recording works properly. The second one was useful to estimate the scheduling for a bigger time scale.

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