基于CCSDS标准的LDPC译码的GPU运行程序设计。c++开发
基于 GPU 的 LDPC 码（Low-Density Parity-Check codes，低密度
奇偶校验码）软件译码器优化设计方法。选用了适用于 GPU 架构的基于最小和算
法的分层迭代译码方法开展译码器的设计工作。在并行译码方式上分别给出了码字间
和码字内并行处理方案，并基于 CUDA（Compute Unified Device Architecture）多线程
模型优化了码字映射规则。为提升译码内核执行效率，提出的优化方法包括：设计满
足负载平衡的合理资源分配、针对最小和算法中的并行规约数值求解以及译码层更新
的分支优化，实现对 GPU 硬件资源的高效利用；通过对 LDPC 码校验矩阵优化存储结
构以及多种译码信息量化方式合并存储策略的设计，提升译码过程中的数据访问效率。
其二，本文给出了基于 GPU 的卷积码软件译码器优化设计方法
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