| WiMAX下LDPC编译码器仿真实现的研究 |
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| 引用本文： | 李恬. WiMAX下LDPC编译码器仿真实现的研究[J]. 计算机科学, 2012, 39(3): 312-315 |
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| 作者姓名： | 李恬 |
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| 作者单位： | (重庆理工大学计算机科学与工程学院重庆400054) |
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| 基金项目： | 重庆市教育委员会科学技术研究项目(KJ090630)资助 |
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| 摘 要： | 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。
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| 关 键 词： | 低密度奇偶校验码 仿真 C语言 H矩阵 算法 |
Research of LDPC Encoding and Decoding Simulating Realization under WiMAX |
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| LI Tian. Research of LDPC Encoding and Decoding Simulating Realization under WiMAX[J]. Computer Science, 2012, 39(3): 312-315 |
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| Authors: | LI Tian |
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| Affiliation: | LI Tian(College of Computer Science and Engineering,Chongqing University of Technology,Chongqing 400054,China) |
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| Abstract: | 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 platform 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. |
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| Keywords: | LDPC Simulation C language H matrix Algorithm |
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