Adaptive joint source and channel coding scheme for H.264 video multicasting over wireless LAN

Zheng Ye Liu, Hang Liu, Yao Wang

Research output: Contribution to journalArticle

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.

Original languageEnglish (US)
Pages (from-to)837-846
Number of pages10
JournalJournal of Zhejiang University: Science
Volume7
Issue number5
DOIs
StatePublished - May 2006

Fingerprint

Multicasting
Channel coding
Packet loss
Local area networks
Error correction
Channel estimation
Topology
Bandwidth

Keywords

  • Adaptive joint source and channel coding
  • H.264
  • Multicast over 802.11 wireless local area networks

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Adaptive joint source and channel coding scheme for H.264 video multicasting over wireless LAN. / Liu, Zheng Ye; Liu, Hang; Wang, Yao.

In: Journal of Zhejiang University: Science, Vol. 7, No. 5, 05.2006, p. 837-846.

Research output: Contribution to journalArticle

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