Optimum-weighted RLS channel estimation for time-varying fast fading MIMO channels

被引:1
|
作者
Koike , Toshiaki [1 ]
机构
[1] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA
关键词
D O I
10.1109/ICC.2007.828
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A multiple-input multiple-output (MIMO) system, where multiple antennas are used at both transmitter and receiver, has been a promising technique for realizing highspeed wireless communications. In mobile communications, we often experience a considerable signal fluctuation due to time-varying fading channels. In this paper, we derive an optimum-weighted least-squares channel estimation considering the spatial correlation as well as the channel dynamics, and propose an efficient recursive method for channel tracking.
引用
收藏
页码:5015 / 5020
页数:6
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