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Magic OFDM receiver

Compact OFDM receiver for educational and further development purposes. It is supposed to be a part of the Magic video link.

Architecture

image

Why this architecture

I exploit the fact, that the video signal is continuous and periodic, and therefore normally never interrupted. This leads to many attractive simplifications.

TODO

  • Basic timing and FFO synchronization
  • Radix-2^2 SDF 1024-point FFT
  • LS estimator and linear interpolator
  • ZF equalizer
  • Run it on an FPGA and prove it works
  • Verify performance