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    PAPR Reduction of Wavelet-OFDM Systems Using Pilot Symbols

    Anoh, KOO, Ikpehai, A, Rabie, K, Adebisi, B and Popoola, W (2018) PAPR Reduction of Wavelet-OFDM Systems Using Pilot Symbols. In: IEEE International Symposium on Power Line Communications and its Applications, 08 April 2018 - 11 April 2018, Manchester.

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    Abstract

    Wavelet transform is at the heart of IEEE 1901 power line communication standard which uses orthogonal frequency-division multiplexing (OFDM) scheme. Examples of wavelets used in designing wavelet-based OFDM (WOFDM) have been shown as possessing lower peak-to-average power ratio (PAPR) than the conventional fast Fourier transform (FFT)-based OFDM. In this study, we investigate 29 different orthogonal wavelets that can be used in designing WOFDM in terms of PAPR and sidelobes behaviour of the filters that enable these wavelets. Our WOFDM model shows that most orthogonal wavelets with increasing filter coefficient lengths achieve better PAPR. In addition, we also demonstrate a method of pilot-assisted OFDM (PA-OFDM) processing to further reduce the PAPR of the WOFDM systems. This technique achieves PAPR reduction with no added complexity and no extra bandwidth cost.

    Item Type: Conference or Workshop Item (Paper)
    Published Proceedings: 2018 IEEE International Symposium on Power Line Communications and its Applications (ISPLC)
    Peer-reviewed: Yes
    Date Deposited: 30 Aug 2018 10:10
    Publisher: IEEE
    Additional Information: Paper presented at ISPLC 2018 and published in the proceedings. Copyright IEEE.
    Divisions: Faculties > Science and Engineering
    Subject terms: Science & Technology, Technology, Engineering, Electrical & Electronic, Engineering, Wavelets, OFDM, PAPR, pilot assisted OFDM, power line communication, sidelobes, POWER REDUCTION, Wavelets, OFDM, PAPR, Power line communication, Pilot assisted OFDM
    URI: https://e-space.mmu.ac.uk/id/eprint/620019
    DOI: https://doi.org/10.1109/ISPLC.2018.8360242

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