Blind Polynomial Channel Estimation for OFDM Systems

被引：0
|
作者：
Zhang, Y. H. [1 ]
Lu, W. -S. [1 ]
Gulliver, T. A. [1 ]
机构：
[1] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada
来源：
68TH IEEE VEHICULAR TECHNOLOGY CONFERENCE, FALL 2008 | 2008年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Orthogonal frequency division multiplexing (OFDM) modulation is widely used in communication systems to meet the demand for ever increasing data rates. Characteristics of the transmitted signal can be employed for blind channel identification. In this paper, we propose a blind polynomial channel estimation algorithm using noncircular second-order statistics of the received OFDM signal. A set of polynomial equations are then formulated based on the correlation of the received signal. The solution of these equations provides an estimate of the channel coefficients. Results are presented which show that the proposed algorithm provides performance comparable to the least minimum mean square error (LMMSE) solution with low computational complexity. The performance is near-optimal for large OFDM systems.
引用
收藏
页码：680 / 684
页数：5
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