Multipath Parameter Estimation for PLC Channels Using the GEESE Algorithm

被引：12
|
作者：
Kim, Yong-Hwa [1 ]
机构：
[1] Korea Electrotechnol Res Inst, Ansan 426170, Gyeonggi Do, South Korea
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2010年 / 25卷 / 04期
关键词：
Channel estimation; generalized eigenvalues utilizing signal subspace eigenvectors (GEESE); multipath channel model; power-line communication (PLC); 100; MHZ; PERFORMANCE; MODEL;
D O I：
10.1109/TPWRD.2010.2043691
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：
We propose a multipath parameter estimation scheme for power-line communication (PLC) channel modeling. In the proposed scheme, we introduce a time-delay estimation scheme and an attenuation factor estimation scheme to analyze multipath parameters. For the time-delay estimation scheme, we employ the generalized eigenvalues utilizing signal subspace eigenvectors (GEESE) algorithm using frequency-domain channel measurements. Before the GEESE algorithm is used, spatial smoothing methods are applied to resolve the different paths in PLC channels. To estimate the attenuation factors, we derive a least-square estimator. Simulation results with theoretical channel models and experimental channel measurements show that the proposed scheme accurately estimates multipath parameters for PLC channel modeling.
引用
收藏
页码：2339 / 2345
页数：7
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