qpskmod.m

OFDM仿真代码

function [iout,qout]=qpskmod(paradata,para,nd,ml)

m2=ml./2;

paradata2=paradata.*2-1;
count2=0;

for jj=1:nd

	isi = zeros(para,1);
	isq = zeros(para,1);

	for ii = 1 : m2 
  		isi = isi + 2.^( m2 - ii ) .* paradata2((1:para),ii+count2);
  		isq = isq + 2.^( m2 - ii ) .* paradata2((1:para),m2+ii+count2);
	end

	iout((1:para),jj)=isi;
	qout((1:para),jj)=isq;

	count2=count2+ml;

end