awgnchannel.m

simulation module for visual wireless sensor network

function [I_RxWaveform, Q_RxWaveform] = AWGNChannel(I_TxWaveform,Q_TxWaveform,No)

lenWaveform = length(I_TxWaveform);
noiseStdDeviation = sqrt(No/2);
I_RxWaveform = I_TxWaveform + noiseStdDeviation*randn(1,lenWaveform);
Q_RxWaveform = Q_TxWaveform + noiseStdDeviation*randn(1,lenWaveform);