I have been trying to design a ionosonde with USRPs in my final year project.
I am responsible for the signal processing part of the project. I will have been
using USRP1 untill hardware part, that is amplifier and antennas, is set up.
I have been using another USRP1 & a PC to model an HF channel, and processing
the delayed signal in my own PC. As far as I see in web site of Ettus Research,
projects completed USRP2s are better to use for such a purpose.
In processing of the received signal, the peak of the result of the x-correlation
not even be different from the its actual instant as three micro seconds.
That is why, I need to make sure if Tx and Rx starts working at the same instant
and perfectly synchronized, in other words , if they perform parallelly at all?
Thanks in advance,