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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/81423

    Title: Iterative Interference Cancellation for OFDM Signals With Blanking Nonlinearity in Impulsive Noise Channels
    Authors: Yih, Chi-Hsiao
    Contributors: 淡江大學電機工程學系
    Keywords: Impulsive noise;iterative interference cancellation;orthogonal frequency division multiplexing
    Date: 2012-03
    Issue Date: 2013-03-11 22:18:21 (UTC+8)
    Publisher: Piscataway: Institute of Electrical and Electronics Engineers
    Abstract: A simple iterative interference cancellation scheme for orthogonal frequency division multiplexing (OFDM) signals with blanking nonlinearity in impulsive noise channels is presented. Blanking nonlinearity has been widely used in practical OFDM systems to suppress impulsive noises at the expense of reducing signal power and generating intercarrier interference (ICI). To improve the performance of blanking nonlinearity element, we propose an iterative interference cancellation scheme which can effectively reduce the level of ICI caused by the blanking operation at the OFDM receiver. With adaptive blanking threshold for each iteration, the proposed iterative receiver design can converge to its best performance with only three iterations. Simulation results show significant performance improvement is achieved by the proposed scheme.
    Relation: IEEE Signal Processing Letters 19(3), pp.147-150
    DOI: 10.1109/LSP.2012.2183636
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Journal Article

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