deinterleave.m

ＭＩＭＯ－ＯＦＤＭ系统仿真

function X_Deinterleave=deinterleave(X_Demap,INTERLEAVE,Interleave_Length,CODE_UNQUANT)

global INTERLEAVE_TABLE   %交织映射表

if INTERLEAVE==1
    [antenna_Rx N]=size(X_Demap);
    if CODE_UNQUANT==1
       for i=1:antenna_Rx
           for j=1:N
               X_Deinterleaveinput(i,2*j-1)=real(X_Demap(i,j));
               X_Deinterleaveinput(i,2*j)=imag(X_Demap(i,j));
           end
       end
    else
        X_Deinterleaveinput=X_Demap;
    end
    [antenna_Rx bit_length]=size(X_Deinterleaveinput);
    for i=1:antenna_Rx
        for j=1:bit_length
            X_Deinterleave(i,INTERLEAVE_TABLE(j,1))=X_Deinterleaveinput(i,INTERLEAVE_TABLE(j,2));
        end
    end
else
    if CODE_UNQUANT==1
       for i=1:antenna_Rx
           for j=1:N
               X_Deinterleaveinput(i,2*j-1)=real(X_Demap(i,j));
               X_Deinterleaveinput(i,2*j)=imag(X_Demap(i,j));
           end
       end 
       X_Deinterleave=X_Deinterleaveinput;
    else
       X_Deinterleave=X_Demap;
    end    
end