blk_seg.m

这是一个wcdma下行功率控制仿真的源代码

% blk_seg(input)
% Segmentation of the bit sequence from transport block concatenation is
% performed 
function output = blk_seg(input1,input2)
bksize = size(input1,2);
residue1 = rem(bksize,input2);
% Caculate Number of code blocks:
if residue1 == 0
    ci = bksize/input2;
else 
    ci = fix(bksize/input2)+1;
end
% Caculate Number of bits in each code block (applicable for Ci != 0 only):
residue2 = rem(bksize,ci);
if residue2 == 0
    ki = bksize/ci;
else 
    ki = fix(bksize/ci)+1;
end
%Insertion of filler bits
yi = ki*ci-bksize;
input1 = [zeros(size(1:yi)),input1];
%Segmentation
for i=1:ci
   output(i,:)=input1(((i-1)*ki+1):i*ki);
end