非规则重复累积码(IRA)在AWGN信道的编译码C程序，译码算法BP算法。程序用txt文档保存。-Code irregular repeat accumulate (IRA) in the AWGN channel codec C procedures, BP decoding algorithm. Txt document with the preservation process.

RA 码及其在通信系统中的应用研究确良：重复累积码；简化译码算法；高斯估计；比特交织编码调制；光纤通 信；码率兼容码；Turbo 码交织器-RA Code and Its Application in Communication System does good: repeat accumulate codes simplify the decoding algorithm Gaussian estimation Bit-Interleaved Coded Modulation op