[Discuss-gnuradio] Again on the FPGA to antenna latency

[NaceurElOuni]

Hi all,

* Is it a correct to estimate by an ICMP echo-reply the latency between a
host and the USRP N210 at a giving instant.

* To estimate the delay in the Digital portion from the FPGA till the signal
is outputted by the antenna, is it a good way to fed the USRP by a signal
(similar as am going to test) from a signal generator into the Rx input, and
get it re conducted as is from the USRP 
(I will have to write a code to read samples from input and write them to
output: will that add extra latency ?)
My purpose is to isolate the latency caused by "FPGA to Antenna" and get a
rough estimate of it (tens, hundreds of microseconds or what range)

Thank you in advance. 



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