%0 Journal Article
%T Doubly Selective Fading Channel Estimation Based on Polynomial Interpolation in MIMO Systems<br>基于多项式内插的MIMO时间-频率双选择性信道的信道估计
%A Yu Xiao-yan
%A Wang Jia-qing
%A Yang Lü-xi
%A <br>于晓燕
%A 王加庆
%A 杨绿溪
%J 电子与信息学报
%D 2006
%I 
%X High data transmission rates and high mobility give rise to time selectivity and frequency selectivity in wireless communication channels. This paper investigates Multi-Input Multi-Output (M1MO) time and frequency doubly selective channel estimation using polynomial interpolation method for data block transmissions. Firstly, a polynomial interpolation model is introduced to represent doubly selective MIMO channel; then, relying on channel Doppler fading rate and the polynomial error term, the polynomial model order and the length of the whole data block are obtained; Finally, based on polynomial interpolation channel model, MIMO doubly selective channels are estimated using pilot symbol assisted modulation. Simulation results show that the proposed estimation method has effective performance.
%K MIMO systems
%K Pilot symbol assisted modulation
%K Doubly selective channels
%K Channel estimation
%K Polynomial interpolation<br>MIMO系统
%K 导频符号辅助调制
%K 双选择性信道
%K 信道估计
%K 多项式内插
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=CDDCF8E2114E08A8&yid=37904DC365DD7266&vid=D3E34374A0D77D7F&iid=94C357A881DFC066&sid=1F8584045E0BED57&eid=3893EBCAC6700388&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=13