gusucode.com > m4k20功率分配图 mimo功率优化,OFDM典型仿真程序,贪婪算法仿真程序 > code/test_16qam/qpskdemod.m
% Program 3-10 % qpskdemod.m % % Function to perform QPSK demodulation % % programmed by H.Harada % function [demodata]=qpskdemod(idata,qdata,para,nd,ml) %****************** variables ************************* % idata :input Ich data % qdata :input Qch data % demodata: demodulated data (para-by-nd matrix) % para : Number of paralell channels % nd : Number of data % ml : Number of modulation levels % (QPSK ->2 16QAM -> 4) % ***************************************************** demodata=zeros(para,ml*nd); demodata((1:para),(1:ml:ml*nd-1))=idata((1:para),(1:nd))>=0; demodata((1:para),(2:ml:ml*nd))=qdata((1:para),(1:nd))>=0; %******************** end of file ***************************