HI,

Recently I am conducting some ofdm experiments, using the example 
ofdm_tx/rx.grc and two USRPB210s, but I found that when the number of data 
packets I send is small (about ten or less), I can receive at the receiving end 
To the same number of packets. But when I increase the number of sent packets 
to about a few hundred, the number of received packets will be less than the 
number of sent packets, but occasionally their numbers will be equal. At first 
I thought it was caused by the too short sending and receiving time, but when I 
increased the sending and receiving time, occasionally the number of the two 
could be the same. Most of the time it was different. I didn??t know what 
caused this. What is the cause of the phenomenon? Is it a USRP sampling 
problem? How should I ensure that the number of data packets sent is the same 
as the number of received data packets each time? Is it really because of the 
time of sending and receiving? 

Sincerely

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