LDPC码在基于BP (Belief Propagation) 的迭代译码相结合的条件下具有逼近Shannon 限的性能，是继turbo 码后在纠错编码领域又一重大进展。压缩文件中给出了LDPC在高斯信道下的c程序。-LDPC codes based on BP (Belief Propagation) Iterative Decoding of combining conditions with performance approaching Shannon limit on the heel

Turbo码，LDPC码（低密度奇偶校验码）均具有接近Shannon限的性能， 是目前便译码研究的热点。Turbo码在低信噪比情况下的性能优于其它各种编码 方式。而LDPC码的描述简单，具有较大的灵活性，当码长足够长时具有比Turbo 码更为良好的性能，其译码复杂度低于Turbo码。-Turbo code, LDPC code (LDPC) all have close to Shannon limit performance, it is the firm' s resear

In this paper, we employ iteratively decodable codes in a turbolike receiver of a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system. With such a receiver, we compare the decoding complexity a

In this paper, we are concerned with developing a common implementation architecture for both turbo codes and LDPC codes. We view the constituent convolutional code in a turbo code as a block code, and construct a sparse parity check matrix for i