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General architecture and data flow

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Piotr Kuligowski edited this page Sep 7, 2018 · 14 revisions

description of architecture

Modules highlighted in green are parts of PW-Sat2 Ground Station Desktop Application whereas block highlighted in blue is our cloud service.

  1. Signal source - provides controls for tuning parameters of SDR/IQ recording/line in, acquires signal from selected source and sends it via ZMQ protocol
  2. I/Q data via ZeroMQ connection - see details
  3. Demodulator/frame decoder - gets I/Q data from signal source, performs filtering, demodulation, deframing and sends valid PW-Sat2 raw frames via ZMQ protocol.
  4. Raw frames transferred via ZMQ protocol - see details
  5. Frame receiver and cloud uploader - receives frames from demodulator, saves to .frames file and uploads frames to our cloud-based service.
  6. data send via POST requests in json format - see details
  7. Cloud service - available at radio.pw-sat.pl - collects frames from radio amateurs and PW-Sat2 Team. It also allows for parsing of telemetry frames, exploring data on charts etc.

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