Re: [Discuss-gnuradio] Distance Measurement by Correlation

[Sylvain Munaut]

> Any ideas about how we can troubleshoot this more effectively? Or better 
> model the channel?

Make sure both your radios are locked to the same clock source.
Any fsignificant requency offset between the two is going to ruin your
correlation peaks very quickly.

Frequency offset is going to end up as a progressive phase shift along
your PN sequence. If that phase shift is a non-negligibe part of the
unit circle during the time of your PN sequence, they won't 'add up'
to a peak anymore.

Cheers,

   Sylvain