lut.m

来自「The files include LDPC that using differ」· M 代码 · 共 52 行

function fow=LUT(rr1,rr2)
%LLR=nb
% %nb =[0.6931    0.6931    0.6931   -1.3863
%    -1.3863    0.6931    0.6931   -1.3863
%     0.6931   -1.3863    0.6931   -1.3863
%     0.6931    0.6931   -1.3863    0.6931
%    -1.3863    0.6931   -1.3863    0.6931]


correct_x=abs(rr1+rr2);
correct_y=abs(rr1-rr2);

if (correct_x<0.196 & correct_x>=0)
    x=0.65;
elseif (correct_x<0.433 & correct_x>=0.196)
   x=0.55;
elseif (correct_x<0.71 & correct_x>=0.433)
    x=0.45;
elseif (correct_x<1.05 & correct_x>=0.71)
    x=0.35;
elseif (correct_x<1.508 & correct_x>=1.05)
   x=0.25;
elseif (correct_x<2.252 & correct_x>=1.508)
    x=0.15;
elseif (correct_x<4.5 & correct_x>=2.252)
    x=0.05;
elseif (correct_x<999 & correct_x>=4.5)
    x=0;
end


if (correct_y<0.196 & correct_y>=0)
    yy=0.65;
elseif (correct_y<0.433 & correct_y>=0.196)
   yy=0.55;
elseif (correct_y<0.71 & correct_y>=0.433)
    yy=0.45;
elseif (correct_y<1.05 & correct_y>=0.71)
    yy=0.35;
elseif (correct_y<1.508 & correct_y>=1.05)
   yy=0.25;
elseif (correct_y<2.252 & correct_y>=1.508)
    yy=0.15;
elseif (correct_y<4.5 & correct_y>=2.252)
    yy=0.05;
elseif (correct_y<999 & correct_y>=4.5)
    yy=0;
end

       
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%玻ネ