Blind channel estimation for the multicarrier V-BLAST system

被引：0
|
作者：
Zhang Hong [1 ]
Yin Qinye [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
来源：
IEEE 2007 INTERNATIONAL SYMPOSIUM ON MICROWAVE, ANTENNA, PROPAGATION AND EMC TECHNOLOGIES FOR WIRELESS COMMUNICATIONS, VOLS I AND II | 2007年
关键词：
multicarrier; space-time coding; channel estimation;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Combining the multicarrier (MC) technique with the vertical Bell labs layered space-time coding (V-BLAST),the MC V-BLAST system can better meet the demand of the next generation broadband mobile multimedia communications. This paper proposes a blind channel estimation algorithm for the MC V-BLAST system under the frequency-selective fading environment. A rotation invariance property in the received symbols is constructed by introducing the redundancy in the transmit symbols, and then an ESPRIT-like method is used to estimate the channel state information (CSI). This method has the advantage that the number of receive antennas can be less than that of transmit ones, so it is easier to implement in the mobile terminal. Simulation results demonstrate that the performance of this algorithm improves significantly.
引用
收藏
页码：111 / 114
页数：4
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