Impulsive noise mitigation in Haar DWT based OFDM systems
In this work, a simple mitigation technique for the effect of impulsive noise in Haar discrete wavelet transform (DWT) based OFDM systems is presented. Based on the analysis for a certain configuration of Haar DWT-OFDM, redundancy in the transmitted samples was found and exploited to mitigate th...
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| Main Authors: | , , , |
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| 格式: | Conference or Workshop Item |
| 語言: | English |
| 出版: |
2013
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| 主題: | |
| 在線閱讀: | http://irep.iium.edu.my/35422/1/khaizuran.pdf http://irep.iium.edu.my/35422/ http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6805847&tag=1 |
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| 總結: | In this work, a simple mitigation technique for the
effect of impulsive noise in Haar discrete wavelet transform
(DWT) based OFDM systems is presented. Based on the analysis
for a certain configuration of Haar DWT-OFDM, redundancy in
the transmitted samples was found and exploited to mitigate the impulsive noise by replacing the corrupted samples. Under the assumption of Bernoulli-Gaussian model for impulsive noise, the proposed technique is efficient with low probability of impulse occurrence (p). With p = 0:001 and BPSK scheme, it can achieve BER of 10 |
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