Abstract
Proportionate-type adaptive filtering (PtAF) algorithms have been successfully applied to sparse system identification. The major drawback of the traditional PtAF algorithms based on the mean square error (MSE) criterion show poor robustness in the presence of impulsive noises or abrupt changes because MSE is only valid and rational under Gaussian assumption. However, this assumption is not satisfied in most real-world applications. To improve its robustness under non-Gaussian environments, we incorporate the maximum correntropy criterion (MCC) into the update equation of the PtAF to develop proportionate MCC (PMCC) algorithm. The mean and mean square convergence performance analysis are also performed. Simulation results in sparse system identification and echo cancellation applications are presented, which demonstrate that the proposed PMCC exhibits outstanding performance under the impulsive noise environments.
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Acknowledgements
This work was supported by the National High Technology Research and Development Program of China (No.2015AA042301), National Natural Science Foundation of China (No.61372152), and the Natural Science Basic Research Program of Shanxi (No.2017JM6033). The authors would like to thank the chief editor, associate editor, and the reviewers for their valuable comments and help, which help us to improve the quality of the manuscript. Furthermore, we would like to give thanks for the JEO assistant handling our manuscript timely.
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Ma, W., Zheng, D., Zhang, Z. et al. Robust proportionate adaptive filter based on maximum correntropy criterion for sparse system identification in impulsive noise environments. SIViP 12, 117–124 (2018). https://doi.org/10.1007/s11760-017-1137-0
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DOI: https://doi.org/10.1007/s11760-017-1137-0