第四代移动通信系统中的信道估计技术研究与分析

Research and analysis of channel estimation of fourth generation mobile communication system

文章介绍了OFDM系统中基于导频的信道估计的基本原理,比较分析基于导频的各种信道估计准则和插值方法,提出了适用于无线移动通信环境下的信道估计方法,包括导频模式的选择、信道估计准则和插值方法的选择。

Firstly,this paper introduces the basic principle of channel estimation based on pilot in OFDM system. Then,it compares and analyses the rule of channel estimation and interpolation algorithm based on pilot. Finally,it propounds the appropriate method of channel estimation in the condition of wireless mobile communication, including the selection of pilot pattern , the rule of channel estimation and interpolation algorithm.