Robust video transmission over correlated mobile fading channels

Jianhua Lu, Khaled Letaief, Ming L. Liou

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

In this paper, we develop a unique set of techniques to support reliable and efficient video transmission over bandwidth-limited mobile networks. The video coder is based on the H.263 coding standard, while its transmission system design is based on a joint study of combined source and channel coding, diversity reception, and pre/postprocessing techniques. In particular, a finite-state Markov model for representing a correlated fading channel with diversity is developed. Based on this model, a recursive algorithm is further devised for an efficient estimation of block-code performance. By doing so, an important means for finding proper diversity and channel coding schemes for correlated video data in correlated fading channels is obtained. In addition, robust decoding together with a combined spatial-temporal concealment is employed to mitigate the effects of decoding mismatch caused by residual errors. Simulation results confirm that the proposed system can significantly reduce the bursty error effects on the H.263 coded video data while maintaining high transmission efficiency.

Original languageEnglish
Pages (from-to)737-751
Number of pages15
JournalIEEE Transactions on Circuits and Systems for Video Technology
Volume9
Issue number5
DOIs
Publication statusPublished - 1999
Externally publishedYes

Fingerprint

Fading channels
Channel coding
Decoding
Diversity reception
Block codes
Wireless networks
Systems analysis
Bandwidth

ASJC Scopus subject areas

  • Media Technology
  • Electrical and Electronic Engineering

Cite this

Robust video transmission over correlated mobile fading channels. / Lu, Jianhua; Letaief, Khaled; Liou, Ming L.

In: IEEE Transactions on Circuits and Systems for Video Technology, Vol. 9, No. 5, 1999, p. 737-751.

Research output: Contribution to journalArticle

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