一种基于多普勒频移的信道估计算法

A Channel Estimation Algorithm Based on Doppler Frequency Shift

为满足未来人们对移动通信越来越高的要求,实现真正意义上的无所不在,通信系统为用户提供更高速率的数据业务以及更好的用户体验,已成为当今移动通信技术发展的趋势。而准确的信道估计算法正是保证无线移动通信系统良好性能的关键所在。为此,首先介绍无线移动通信系统中信道估计的基本概念,其次介绍无线移动通信系统常见的信道估计算法,最后重点介绍基于多普勒频移的信道估计算法。

In order to meet the increasing demands of mobile communication in the future and realize the ubiquity in the true sense,communication systems provide users with higher-speed data services and better user experience, which has become the trend of mobile communication development today. Accurate channel estimation algorithms are the key to ensuring good performance of wireless mobile communication systems. This paper first introduces the basic concept of channel estimation in wireless mobile communication systems, and secondly introduces the channel estimation algorithm commonly used in wireless mobile communication systems. Finally,the channel estimation algorithm based on Doppler frequency shift is introduced.