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    Joint Detection Strategies for Orthogonal Frequency Division Multiplexing

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    Author
    Ahmed, Nadeem
    Date
    2000-04-20
    Abstract
    Traditional OFDM implementations use conventional Fourier filters for data modulation, via the IFFT operation. Much research suggests wavelet based OFDM provides performance gains, due to superior spectral containment properties of wavelet filters. When compared in simulation, neither system was found fundamentally better than the other. Rather than focus on filter bank design, <i>joint detection strategies</i> provide a relatively simple method for improving system performance. The conventional matched filter used in OFDM systems, is only optimal when the channel introduces no carrier distoration. We propose an optimal detector, which maximizes the probability of making correct decisions, and a suboptimal method which decorrelates carriers based on knowledge of the channel. Both joint detection methods provide significant performance gains in OFDM systems over conventional matched filtering.
    Description
    Masters Thesis
    Citation
    N. Ahmed, "Joint Detection Strategies for Orthogonal Frequency Division Multiplexing," Masters Thesis, 2000.
    Keyword
    OFDM; joint detection strategies; Fourier fileters; orthogonal frequency division multiplexing; OFDM; More... joint detection strategies; Fourier fileters; orthogonal frequency division multiplexing Less...
    Type
    Thesis
    Citable link to this page
    https://hdl.handle.net/1911/19657
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    • DSP Publications [508]
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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map