FMT系统中信道估计的分析与仿真  

Analysis and simulation of channel estimation for FMT system

作　　者：魏慧玲[1] 高振明[1] 朱维红[1] 李晨[1] 高有军[1] 

机构地区：[1]山东大学信息科学与工程学院,山东济南250100

出　　处：《山东大学学报（理学版）》2005年第3期62-65,共4页Journal of Shandong University(Natural Science)

基　　金：国家自然科学基金资助项目(60372029)

摘　　要：根据FMT系统的特点,研究了在FMT系统中进行信道估计的方法.在此基础上,改进了基于扩频序列的信道估计方法.理论分析和计算机仿真结果均表明,在时域中对FMT系统进行信道估计简单有效,并且基于扩频序列估计的性能优于LS估计,改进后的估计方法进一步提高了性能.According to the characteristics of FMT system, the methods of channel estimation were studied.Then an improved proposal for the channel estimation using spread sequence was imposed. Both analyses and computer simulations show that the channel estimation in time domain is simple and efficient, and that the channel estimation using spread sequence can get better performance than Least Square channel estimation. The improved method can further increase the performance.

关 键 词：FMT系统 信道估计 LS估计 扩频序列 

分 类 号：TN763[电子电信—电路与系统]