www.pudn.com > ldpc802.16.rar > qammod16.m, change:2005-11-17,size:434b


function [data_out]=qammod4(data_sym) 
 
map_table=[-0.94868 + 0.94868i,-0.94868 + 0.31623i,-0.94868 - 0.94868i,-0.94868 - 0.31623i,-0.31623 +    0.94868i,-0.31623 +    0.31623i,-0.31623 -    0.94868i,-0.31623 -    0.31623i,0.94868 +    0.94868i,0.94868 +    0.31623i,0.94868 -    0.94868i,0.94868 -    0.31623i,0.31623 +    0.94868i,0.31623 +    0.31623i,0.31623 -    0.94868i,0.31623 -    0.31623i]; 
data_out=map_table(data_sym+1);