This paper mainly expound the encoding and decoding principle of Q - ary LDPC codes, and introduce a Fourier transformdecoding method with low complexity.
本文主要阐述了多进制ldpc码的编译码原理,并介绍了一种可简化译码的傅立叶变换译码算法。
2
RS encoder in DVB-S and some classical decoding algorithms are introduced, then some Fast Fourier Transform (FFT) algorithms in finite domain are presented.