摘要
正交频分复用(OFDM)是实现无线多媒体通信的关键技术之一。本文介绍了基于导频的OFDM系统的基本信道估计方法,并给出了典型估计方法的比较与计算机仿真;在此基础上对今后的研究方向进行了概括的描述。
Orthogonal frequency division multiplexing (OFDM) is one key technology in wireless multimedia communication. Different pilot-aided channel estimation in OFDM systems is presented and some typical estimation methods are compared and simulated in the paper, and the direction of the research field is offered.
出处
《通信学报》
EI
CSCD
北大核心
2003年第11期116-124,共9页
Journal on Communications
关键词
信道估计
正交频分复用
空时码
无线通信
channel estimation
orthogonal frequency division multiplexing
space-time coding
wireless communication
