用来介绍LT（喷泉编码的一种）码，对于编译码原理讲的很清楚-Introduction to LT (a kind of fountain coding) code, for encoding and decoding said very clearly the principle

LTcodesareasymptoticallyoptimalratelesserasurecodeswithhighlyeffi cientencod- inganddecodingalgorithms.Intheoriginalanalysisofthesecodes,itwasassumedthat foreachencodingsymbol,theneighborsusedtogeneratethatencodingsymbolarechosen uniformlya

LT码的编码算法和译码算法的仿真程序，基于RSD度分布的仿真程序(Coding and decoding algorithm simulation of LT code,Simulation program based on RSD degree distribution)

LT Codes are used as fountain codes. This graph can be helpful for BER of LT codes