function?vHat?=?decodeBitFlipping（rx?H?iteration）
%?Hard-decision/bit?flipping?sum?product?algorithm?LDPC?decoder
%??rx????????:?Received?signal?vector?（column?vector）
%??H?????????:?LDPC?matrix
%??iteration?:?Number?of?iteration
%??vHat??????:?Decoded?vector?（0/1）?

[M?N]?=?size（H）;
%?Prior?hard-decision
ci?=?0.5*（sign（rx‘）?+?1）;
%?Initialization
rji?=?zeros（M?N）;
%?Asscociate?the?ci?matrix?with?non-zero?elements?of?H
qij?=?H.*repmat（ci?M?1）;?
%?Iteration
for?n?=?1:iteration???
???fprintf（‘Iteration?:?%d\n‘?n）;???
???%?-----?Horizontal?step?-----
???for?i?=?1:M??????
??????%?Find?non-zeros?in?the?column
??????c1?=?find（H（i?:））;??????
??????%?Get?the?summation?of?qij\c1（k）????????
??????for?k?=?1:length（c1）
?????????rji（i?c1（k））?=?mod（sum（qij（i?c1））?+?qij（i

?屬性????????????大小?????日期????時間???名稱
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?????文件???????3889??2013-03-18?14:33??LDPC小程序\500_10.fig

?????文件???????1565??2013-03-18?14:33??LDPC小程序\decodeBitFlip.m

?????文件??????12390??2013-03-18?21:03??LDPC小程序\iter.fig

?????文件???????1744??2013-03-18?14:33??LDPC小程序\main1.m

?????文件???????1948??2013-03-18?14:33??LDPC小程序\main2.m

?????文件???????1897??2013-03-18?21:03??LDPC小程序\main3.m

?????文件???????1937??2013-03-18?21:03??LDPC小程序\main4.m

?????文件???????3389??2013-03-18?21:05??LDPC小程序\makeLdpc.m

?????文件???????3740??2013-03-18?21:05??LDPC小程序\makeParityChk.m

?????目錄??????????0??2013-04-27?08:44??LDPC小程序

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????????????????32499????????????????????10