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?