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http://dx.doi.org/10.6109/jkiice.2014.18.5.1051

A Comparative Study on the Impulsive Noise Mitigation Algorithms for Orthogonal Frequency Division Multiplexing Systems  

Ma, Shuang (Department of Semiconductor Engineering, Gyeongsang National University)
Kang, Seog Geun (Department of Semiconductor Engineering, Gyeongsang National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.18, no.5, 2014 , pp. 1051-1060 More about this Journal
Abstract
In this paper, performance of an orthogonal frequency division multiplexing (OFDM) system in an impulsive noise environment is analyzed. Here, it is verified that performance of the OFDM system with window nonlinearity, which is one of the impulsive noise mitigation algorithms, is dependent on the over-sampling rate and the size of window. With respect to the variation of those parameters, we also provide an appropriate region of threshold values that control amplitudes of the sampled waveform of received signals. As a result, a new combination of parameters which improves error performance of OFDM system in an impulsive noise environment as compared to the previously reported parameters is presented.
Keywords
Impulsive noise; orthogonal frequency division multiplexing (OFDM); digital communication system; digital signal processing (DSP);
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