基于有限域的ira-qc-ldpc码构造方法

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1、目录摘要····················································································IAbstract·················································································II1绪论1.1研究背景·····································································

2、···(1)1.2信道编码的历史·······························································(1)1.3LDPC码研究现状····························································(4)1.4本文研究安排··································································(6)2LDPC码基本原理2.1线性分组码······

3、·······························································(7)2.2LDPC码的结构特征·························································(8)2.3LDPC码的编码算法························································(14)2.4LDPC码的译码算法··································

4、······················(15)2.5本章小结·······································································(18)3LDPC码奇偶校验矩阵构造3.1IEEE802.16e标准中的随机结构QC-LDPC码························(20)3.2代数方法·······································································(

5、22)3.3几何方法·······································································(23)3.4本章小结·······································································(26)4基于有限域的IRA-QC-LDPC码构造方法4.1生成元置换矩阵及其扩展矩阵···········································(27)III1.1

6、IRA-QC-LDPC码结构特征················································(28)1.2围线分析·······································································(32)1.3IRA-QC-LDPC码的搜索算法及性能分析·····························(33)1.4本章小结············································

7、···························(35)5LDPC码的EXIT曲线分析2.1LDPC码的迭代译码的建模···············································(37)2.2基于EXIT图的IRA-QC-LDPC码性能分析··························(39)2.3本章小结·······································································(42)6全文总结与展

8、望3.1本文的主要研究成果························································(43)3.2今后工作的建议······························································(43)致谢····································