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A novel hierarchical QAM-based unequal error protection scheme for H.264/AVC video over frequency-selective fading channels | IEEE Journals & Magazine | IEEE Xplore
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A novel hierarchical QAM-based unequal error protection scheme for H.264/AVC video over frequency-selective fading channels


Abstract:

A novel unequal error protection (UEP) scheme based on the hierarchical quadrature amplitude modulation (QAM) is proposed for H.264/AVC video transmission over frequency ...Show More

Abstract:

A novel unequal error protection (UEP) scheme based on the hierarchical quadrature amplitude modulation (QAM) is proposed for H.264/AVC video transmission over frequency selective fading channels. In order to avoid the situation that data with higher priority in the H.264/AVC video streams to be mapped onto subcarriers in deep fading, an OFDM subcarrier classification strategy with two signal-to-noise ratio (SNR) thresholds is presented. Simulation results show that the proposed UEP scheme outperforms the state-of-the-art UEP method by up to 1.6 dB in terms of the quality of the reconstructed video.
Published in: IEEE Transactions on Consumer Electronics ( Volume: 56, Issue: 4, November 2010)
Page(s): 2741 - 2746
Date of Publication: 30 November 2010

ISSN Information:


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