Hello Guys,
I've been playing with the FDMDV modem to see if I can get it to support
Time Domain Duplexing(TDD), with the end of goal of making full-duplex
voice in around 2KHz.
Currently I have the modem configured at 100 symbols/second with 14
carriers spaced at 125Hz it works out to 2800bits/s. From my testing that
end of things seems to be working pretty well. I'm planning on splitting
this up into 20ms chunks (2 symbols at a time).
What I'm trying to figure out now is the best way to keep the timing when I
never have more than two consecutive symbols.
Does anyone have a good idea to keep the timing correct while having
20ms interruptions every 20ms?
Thanks,
Daniel Mundall VA7DRM
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