首页 | 本学科首页   官方微博 | 高级检索  
     

基于Matlab的OFDM系统仿真与性能分析
引用本文:李波. 基于Matlab的OFDM系统仿真与性能分析[J]. 数字社区&智能家居, 2011, 0(6)
作者姓名:李波
作者单位:同济大学电子信息学院;
摘    要:正交频分复用技术(Orthogonal Frequency Division Multiplexing)是第四代移动通信技术的关键技术。文章首先简要介绍了OFDM的基本原理和主要结构,建立了系统仿真模型,对系统的载波同步和信道估计进行了分析。通过训练符号结构和频偏判决函数来完成频偏估计,给出了具体的算法并基于所建模型,给出了系统的星座图和短训练和长训练相关值曲线。仿真结果表明,所建模型能够很好地验证理论分析结果。

关 键 词:正交频分复用  载波同步  同步算法  频偏估计  训练符号  

Simulation and Performance Analysis of OFDM System Based on MATLAB
LI Bo. Simulation and Performance Analysis of OFDM System Based on MATLAB[J]. Digital Community & Smart Home, 2011, 0(6)
Authors:LI Bo
Affiliation:LI Bo(College of Electronics and Information,Tongji University,Shanghai 200092,China)
Abstract:OFDM(Orthogonal Frequency Division Multiplexing)is the core techniques of the fourth generation mobile communication technology.Beginning with brief introduction for the basic principle of OFDM,this paper establishes the system simulation model and thereafter analyzes the synchronization and channel estimation.Based on the training symbols to complete the offset decision frequency estimation function,the algorithm is given in detail,and it is analyzed by simulation algorithm.Based on the established model,t...
Keywords:OFDM  carrier synchronization  synchronization algorithm  frequency offset estimation  training symbol  
本文献已被 CNKI 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号