【摘要】 介绍了OFDM系统中的信道估计技术,着重分析了基于导频插入的信道估计方法,并研究了基于最小二乘的信道估计方法,利用多径衰落信道对不同插值方法的性能进行了比较.更多还原

【Abstract】 In this paper, channel estimation methods in OFDM system are described. Especially, we introduce channel estimation technique based on pilot frequency. Furthermore, we introduce channel estimation based on LS method. Performance comparisions of different interpolation methods in multipath attenuation channels are presented.更多还原