A Kernel-Width Adaption Diffusion Maximum Correntropy Algorithm
Alternative TitleWOS:000529200600001;20201008273896
Guo, Ying; Ma, Bing; Li, Yingsong1,2
Source PublicationIEEE ACCESS
KeywordAdaptive kernel width diffusion algorithm impulse noise maximum correntropy criterion sparse system identification CRITERION ALGORITHM NLMS ALGORITHM STRATEGIES SYSTEMS PATH
AbstractImpulsive noises are widely existing in various systems like noise cancellation system and wireless communication systems, where adaptive filtering (AF) is always employed to identify specific systems. Additionally, the impulsive noises will affect the performance for estimating these systems, resulting in slow convergence or worse identification accuracy. In this paper, a diffusion maximum correntropy criterion (DMCC) algorithm with adaption kernel width is proposed, denoting as DMCCadapt algorithm, to find out a solution for dynamically choosing the kernel width. The DMCCadapt algorithm chooses small kernel width at initial stage to improve its convergence speed rate, and uses large kernel width at completion stage to reduce its steady-state error. To render the proposed DMCCadapt algorithm suitable for sparse system identifications, the DMCCadapt algorithm based on proportional coefficient adjustment is realized and named as diffusion proportional maximum correntropy criterion (DPMCCadapt). The theoretical analysis and simulation results are presented to show that the DPMCCadapt and DMCCadapt algorithms have better convergence than the traditional diffusion AF algorithms under impulse noise and sparse systems.
Indexed BySCI ; EI
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Document Type期刊论文
Affiliation1.Shenyang Univ Technol, Sch Informat Sci & Engn, Shenyang 110870, Peoples R China
2.Harbin Engn Univ, Coll Informat & Commun Engn, Harbin 150001, Peoples R China
3.Chinese Acad Sci, Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Guo, Ying,Ma, Bing,Li, Yingsong. A Kernel-Width Adaption Diffusion Maximum Correntropy Algorithm[J]. IEEE ACCESS,2020,8:33574-33587.
APA Guo, Ying,Ma, Bing,&Li, Yingsong.(2020).A Kernel-Width Adaption Diffusion Maximum Correntropy Algorithm.IEEE ACCESS,8,33574-33587.
MLA Guo, Ying,et al."A Kernel-Width Adaption Diffusion Maximum Correntropy Algorithm".IEEE ACCESS 8(2020):33574-33587.
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