qpskawgn.m

Single/Multipath Channel Model Verificaiton EbNo vs. BER/SER under AWGN BPSK vs. QPSK Theory vs.

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% File Name: qpskawgn.m
% Function: Add white Gaussian noise for QPSK
% Author: 
% Date: 2008.11.27
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function [iout,qout] = qpskawgn (idata,qdata,attn)

iout = randn(1,length(idata)).*attn;
qout = randn(1,length(qdata)).*attn;
 
iout = iout+idata(1:length(idata));
qout = qout+qdata(1:length(qdata));

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