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

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				% File Name: qpskmod.m
				% Function: Modulation for QPSK
				% Author: 
				% Date: 2008.11.27
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				function [iout,qout]=qpskmod(paradata,nd,ml)
				
				%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% variables %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
				% paradata : input data
				% nd : number of data
				% ml : number of modulation levels
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				m2=ml./2;
				
				paradata2=paradata.*2-1;
				count2=1; %symbol accumulation
				
				for jj=1:nd
				
					iout(1,jj) = paradata2(1,count2);
					qout(1,jj)= paradata2(1,m2+count2);
				
					count2=count2+ml;
				
				end
				
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