%0 Journal Article
%T Performance Analysis of Adaptive MIMO-OFDM System with Imperfect Channel Information<br>非精确信道信息下的自适应MIMO-OFDM系统性能分析
%A Wang Yong-xue
%A Chen Fang-jiong
%A Wei Gang
%A <br>王永学
%A 陈芳炯
%A 韦 岗
%J 电子与信息学报
%D 2006
%I 
%X As adaptive MIMO-OFDM system can greatly improve the spectral efficiency, many people are studying it. The imperfect Channel State Information (CSI), which is caused by two major factors-channel estimation error and CSI delay, and their impacts on the system frequency efficiency are studied. Simulation results show that the spectral efficiency loss due to channel estimation error is relatively small when the channel estimation error is less than -12dB and the system will be less sensitive to CSI delay when channel prediction is used.
%K OFDM
%K Adaptive
%K MIMO
%K Spectral efficiency<br>正交频分复用
%K 自适应
%K 多入多出
%K 频谱效率
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=8ECDA826B32E049D&yid=37904DC365DD7266&vid=D3E34374A0D77D7F&iid=38B194292C032A66&sid=DDEED1BDDBFAA8A7&eid=08076B8B3CC96095&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=6