WiMAX下LDPC编译码器仿真实现的研究

Research of LDPC Encoding and Decoding Simulating Realization under WiMAX

WiMAX下的编码方式是当今通讯技术研究的热门。介绍一种最受关注的纠错编码:低密度奇偶校验码(Low Density Parity Check,LDPC),讨论LDPC码在WiMAX条件下的基本原理和编译码设计;提出运用Visual C++特点构建LDPC码仿真平台,研究仿真设计过程;分析不同实现方法下对LDPC码性能的影响,通过对仿真结果的分析和思考,说明了Visual C++语言应用于LDPC编译码仿真的可行性、实用性和扩展性。

Encoding under WiMAX is a hot topic in today＇s telecommunication technology research. This paper introduced one of the most popular error correction encoding： Low Density Parity Check code （LDPC code）, discussed the basic principle and encoding-decoding design of LDPC code under WiMAX, put forward a LDPC code simulating plat- form by using Visual C＋＋ characters, studied the procedure of simulation design, analyzed the impact to LDPC code performance under different realization method, and by analyzing and studying of simulation results, explained the feasibility, practicability and expansibility of Visual C＋ ＋ applied in LPDC encoding-decoding simulation.