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    Multilevel coding of broadcast video over wirless channels

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    Author
    Cakareski, Zeljko
    Ahmed, Nasir
    Dhar, Aditya
    Aazhang, Behnaam
    Type
    Conference paper
    Keywords
    Broadcast video; Multilevel coding; Channel Coding; UEP
    Citation
    Z. Cakareski, N. Ahmed, A. Dhar and B. Aazhang, "Multilevel coding of broadcast video over wirless channels," 2002.
    Abstract
    This paper addresses the problem of broadcasting video over wireless channels. In such a scenario, different end users perceive the video signal through channels with different quality. We propose a source-channel coding system, that partitions the video data in such a way that maintains a baseline quality of service even for the user with the worst channel. The system consists of a layered source representation that is robust to error propagation effects, combined with a multilevel channel coding scheme that provides an unequal error protection to the different layers of the encoded video. Experimental results show that our system is robust and guarantees a baseline quality of service to all users over a wide range of channel conditions.
    Date
    2002-05-20
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    • ECE Publications [1278]

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    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