目 录
目 录
摘 要.............................................................................................................................................I
Abstract.......................................................................................................................................II
目 录..........................................................................................................................................III
第一章 绪 论...............................................................................................................................1
1.1 论文研究背景...............................................................................................................1
1.2 LDPC 码简介................................................................................................................2
1.3 LDPC 码的研究现状....................................................................................................4
1.4 论文的研究内容...........................................................................................................4
第二章 LDPC 码的构造.............................................................................................................7
2.1 LDPC 码的随机构造....................................................................................................7
2.2 基于有限域的 LDPC 码的构造...................................................................................9
2.3 基于原型图的 LDPC 码构造.....................................................................................15
2.4 掩模构造 LDPC 码.....................................................................................................18
2.5 仿真结果与分析.........................................................................................................19
2.6 本章小结.....................................................................................................................21
第三章 LDPC 码的译码算法..................................................................................................23
3.1 比特翻转类算法.........................................................................................................23
3.2 置信传播类译码算法.................................................................................................26
3.3 迭代排序统计译码算法.............................................................................................32
3.4 仿真结果与分析.........................................................................................................35
3.5 本章小结.....................................................................................................................40
第四章 LDPC 码译码算法的硬件实现..................................................................................43
4.1 同步部分并行结构 LDPC 码译码器的实现............................................................43
4.2 基于累积 LLR 的 BP-OSD 算法的实现...................................................................51
4.3 本章小结.....................................................................................................................63
第五章 全文总结......................................................................................................................65
5.1 论文内容总结.............................................................................................................65
5.2 有待进一步研究的问题.............................................................................................65
致 谢..........................................................................................................................................67
参考文献...................................................................................................................................69
III
