LDPC_perf========= Instead of sending a clear-text stream, this radio sends a randomsequence through the LDPC-coder. This allows for measuring the BERof the system. When the radio is started, you can choseFile-> Plot XYand click on the module "ldpc_decode", then chose "SNR" and OK;after that click on "test_data_rcv", then chose "BER" and OK. The radio is supposed to "sweep" over a region of -10dB SNR to about5dB SNR, so that you can see the BER (Bit Error Rate) at differentSNRs.