This paper describes a new HDTV system that applies joint multiresolution (MR) source and channel coding to efficiently use the available radio spectrum. Hybrid analog/digital MR channel modulation provides the benefits of digital source coding and the more efficient spectrum usage of analog transmission. Nonuniform spacing of the digital signaling levels provides MR delivery of the digital components while spread-spectrum processing permits MR delivery of the analog components. Error correction coding and OFDM channel modulation deliver the MR service in widely varying channel conditions. Simulation results demonstrate performance in various regions of the service area.<>


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    Title :

    Hybrid channel coding for multiresolution HDTV terrestrial broadcasting


    Contributors:
    Polley, M.O. (author) / Wee, S.J. (author) / Schreiber, W.F. (author)


    Publication date :

    1994-01-01


    Size :

    717567 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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