Re: Missings packets on OFDM system simulation

[Marcus Müller]

Hi Jorge,

yes, please share your flowgraph. It's moot even beginning talking about it without 
knowing it.

Best regards,
Marcus

On 12.07.23 20:53, JORGE GONZALEZ ORELLANA via GNU Radio, the Free & Open-Source Toolkit 
for Software Radio wrote:
> Hello everyone, I have some question related with a OFDM transmission simulation, in 
> particular, about losing packets.
>
> I am using the OFDM Transmitter and Receiver blocks to do the transmission (if you need 
> more details, I can upload an image of the flowgraph).
>
> The problem that I get is when put some noise (to get some level of SNR), when I have 
> about 20dB (or more) of SNR I don't lose any packet, but if I put less than 20dB of SNR, 
> almost all packets gets lost, (just 1 or 2 packets are received), all of this happen over 
> simulation.
>
> Any suggestions on why this might happen?