clc
close?all;
clear?all;

SNR=[0:2:30];???????????????????????????????????????%信噪比范圍
EbN0=SNR-log10（2）+log10（225）;?????????????????????????%信噪比范圍

rows=15;
cols=17;
ranki=29;

ite_cnt=25;
subframe_cnt=40;
subframe_len=512;

tx_buffer=zeros（1subframe_len*subframe_cnt）;
rx_buffer=zeros（1subframe_len*subframe_cnt）;

[HG]=qcldpc_genHG（rowscolsranki）;
iteration=1024;

result.SNR=zeros（1length（SNR））;
result.ldpc=zeros（1length（SNR））;
result.direct=zeros（1length（SNR））;

for?ii=1:length（SNR）
????ldpc=0;
????direct=0;
????for?jj=1:ite_cnt
????????tic
????????tx_msg=zeros（subframe_cntcols*ranki）;
????????for?kk=1:subframe_cnt
????????????%?生成信令數據
????????????tx_data=randsrc（1（cols-rows）*ranki[0?1;0.3?0.7]）;
????????????
????????????%?用LDPC編碼
???????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.......?????35585??2013-11-05?14:50??result.jpg

????.......???????724??2013-11-05?14:09??ldpc_cdr.mat

?????文件???????2393??2013-11-05?13:04??main.m

????.......??????2232??2013-11-05?14:37??plot_result.m

?????文件????????301??2013-11-05?09:55??qcldpc_decode.m

????.......????????59??2013-11-05?08:46??qcldpc_encode.m

????.......???????359??2013-11-04?09:02??qcldpc_find4loop.m

????.......??????1287??2013-11-05?08:46??qcldpc_genHG.m

-----------?---------??----------?-----??----

????????????????42940????????????????????8