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    Channel--Matched Hierarchical Table--Lookup Vector Quantization for Transmission of Video Over Wireless Channels

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    TR_97-19.pdf (142.1Kb)
    No. of downloads: 442

    Date
    1997
    Author
    Jafarkhani, Hamid
    Farvardin, Nariman
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    Abstract
    We propose a channel-matched hierarchical table-lookup vector quantizer (CM-HTVQ) which provides some robustness against the channel noise. We use a finite-state channel to model slow fading channels and propose an adaptive coding scheme to transmit a source over wireless channels. The performance of CM-HTVQ is in general slightly inferior to that of, channel-optimized vector quantizer (COVQ) (the performances coincide at some cases); however, the encoder complexity of CM-HTVQ is much less than the encoder complexity of COVQ. A copy of this report has been published in the proceedings of The 1st Annual Advanced Telecommunications/Information Distribution Research Program Conference, January 21-22, 1997.
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    http://hdl.handle.net/1903/5851
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