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CLC number: TN919.8
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Received: 2005-12-15
Revision Accepted: 2006-02-20
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An adaptive joint source and channel coding scheme for H.264 video multicasting over wireless LAN
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Liu Zheng-ye, Liu Hang, Wang Yao. An adaptive joint source and channel coding scheme for H.264 video multicasting over wireless LAN[J]. Journal of Zhejiang University Science A, 2006, 7(5): 837-846.
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author="Liu Zheng-ye, Liu Hang, Wang Yao",
journal="Journal of Zhejiang University Science A",
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pages="837-846",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A0837"
}
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DOI - 10.1631/jzus.2006.A0837
Abstract: This paper proposes an adaptive joint source and channel coding scheme for h.264 video multicast over wireless LAN which takes into account the user topology changes and varying channel conditions of multiple users, and dynamically allocates available bandwidth between source coding and channel coding, with the goal to optimize the overall system performance. In particular, source resilience and error correction are considered jointly in the scheme to achieve the optimal performance. And a channel estimation algorithm based on the average packet loss rate and the variance of packet loss rate is proposed also. Two overall performance criteria for video multicast are investigated and experimental results are presented to show the improvement obtained by the scheme.
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