Robust time domain channel estimation for MIMO-OFDMA downlink system

被引：0
|
作者：
Le Saux, B. [1 ]
Helard, M. [1 ]
Legouable, R. [1 ]
机构：
[1] France Telecom, R&D Div, Broadband Radio Access Lab, 4 Rue Clos Courtel, F-35512 Cesson Sevigne, France
来源：
MULTI-CARRIER SPREAD SPECTRUM 2007 | 2007年 / 1卷
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper investigates a new time domain channel estimation for MIMO OFDMA downlink systems. Compared to classical frequency domain channel estimation, time approach allows improvements in a multi-antenna system. Nevertheless, the presence of null carriers in the spectrum leads to performance degradation because of "border effect" phenomenon. An improved time domain channel estimation for MIMO-OFDMA system is proposed for downlink transmission and compared to classical channel estimation methods. Besides, this channel estimation process can be applied in any SISO and/or MIMO multicarrier transmission.
引用
收藏
页码：357 / +
页数：2
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