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    Frequency offset estimation in OFDM signals using particle filtering along with resampling methods

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    200611040.pdf (663.3Kb)
    Date
    2008
    Author
    Jayanthi, V. Ravisankar
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    Abstract
    Frequency offset is one of the main effects the Bit Error Rate(BER) in orthogonal frequency division multiplexing (OFDM). There are many applications which depend on OFDM. The present method describes the estimation of frequency offset for OFDM irrespective of the distribution of the channel noise. This method uses Particle Filtering for the estimation of frequency offset. As Particle Filter is a non-linear and non-Gaussian estimator, there will be no constraint on the channel noise. This method also uses the resampling methods, which are essential in modifying the weight approximates during the iterations. Here the performance of the Particle Filter in estimating the frequency offset for the OFDM is observed along with the resampling methods.
    URI
    http://drsr.daiict.ac.in/handle/123456789/207
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    • M Tech Dissertations [923]

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