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    Impulsive noise detection in PLC with smoothed L0-norm

    Access Status
    Fulltext not available
    Authors
    Juwono, Filbert Hilman
    Guo, Q.
    Huang, D.
    Wong, K.
    Xu, L.
    Date
    2015
    Type
    Conference Paper
    
    Metadata
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    Citation
    Juwono, F.H. and Guo, Q. and Huang, D. and Wong, K. and Xu, L. 2015. Impulsive noise detection in PLC with smoothed L0-norm, pp. 3232-3236.
    Source Title
    ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
    DOI
    10.1109/ICASSP.2015.7178568
    ISBN
    9781467369978
    School
    Curtin Malaysia
    URI
    http://hdl.handle.net/20.500.11937/71919
    Collection
    • Curtin Research Publications
    Abstract

    © 2015 IEEE. Power-line communications (PLC) commonly employs orthogonal frequency-division multiplexing (OFDM) as the modulation technique, and impulsive noise has a significant negative impact on its performance. Using the property of null subcarriers in OFDM and the fact that impulsive noise is sparse, we formulate a minimization problem to detect and estimate the impulsive noise. In previous works, l1-norm minimization was employed to achieve this task. In this paper, we propose to use a smoothed l0-norm minimization algorithm for impulsive noise detection instead. Simulation results show that this approach is promising as it achieves comparable performance as l1-norm minimization but with much lower complexity.

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