Correntropy-based DOA estimation algorithm under impulsive noise environments

被引：0
作者：
Jin Chen
Sheng Guan
机构：
[1] Tianjin Normal University,Tianjin Key Laboratory of Wireless Communications and Power Transmission
来源：
EURASIP Journal on Wireless Communications and Networking | / 2020卷
关键词：
Direction of arrival; Correntropy; Complex isotropic symmetric alpha-stable;
D O I：
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学科分类号：
摘要：
In this paper, the direction of arrival (DOA) estimation of signals in the presence of impulsive noise environment is studied. Complex isotropic symmetric alpha-stable (SαS) random variables are modeled as impulsive noise, then a novel second-order statistic method that correntropy-based covariance matrix (CBCM) is defined, based on the combination of the CBCM of the array sensor outputs with the signal subspace technique (e.g., multiple signal classification (MUSIC)), which can be achieved source localization under impulsive noise environments. The Monte-Carlo simulation results illustrate the improved performance of CBCM-MUSIC for DOA estimation under a wide range of impulsive noise conditions.
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