Questions about tdma_engine.py

GNU Radio
1

Hi,
I have read the file tdma_engine.py in PreCog.It seems they deal with
data and update local time according to the time tags.But how can we
demodulated the signal from antenna in the start without knowing the
time.Is this imply we can only transmission at the fixed frequency?I
appreciate any tips.
Thank you.

2

You are correct. The demodulated will demodulate continuous. The
receive
samples are routed to the TDMA engine for timing information of the
transmissions.

-John

3

hello John,

I am wondering, in future, if the receiver will also work in a tdma
manner
at the waveform level,i.e, the demodulation can be done within specified
time slot. One of the benefits is that the computing on the receiver can
be
decreased significant.

Thanks.

On Sun, Mar 3, 2013 at 8:50 PM, John M.
[email protected]wrote:

I have read the file tdma_engine.py in PreCog.It seems they deal with

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