Packet loss resilience using unequal forward error correction assignment for video transmission over communication networks

Hojin Ha, Changhoon Yim, Young Yong Kim

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Forward error correction (FEC) methods have been developed for packet loss resilience in application layer for real-time video transmission over communication networks. In this paper, an efficient packet loss resilience method is proposed using closed form solution for unequal FEC assignment based on a new packet distortion model. We first derive the packet distortion model by investigating the error concealment property and error propagation effect in H.264. To select the source and channel rate minimizing the overall distortion, we present a model-based rate allocation algorithm using the packet distortion model and rate-distortion function. Then we propose the closed form solution for unequal FEC assignment, which uses the packet distortion model and considers channel status information. Simulation results show that the proposed method gives substantial improvement for the received video quality in packet-lossy Internet and wireless network environments, while it requires much less computational complexity compared to the previous scheme.

Original languageEnglish
Pages (from-to)3676-3689
Number of pages14
JournalComputer Communications
Volume30
Issue number18
DOIs
Publication statusPublished - 2007 Dec 10

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Forward error correction
Packet loss
Telecommunication networks
Computational complexity
Wireless networks
Internet

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

Cite this

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Packet loss resilience using unequal forward error correction assignment for video transmission over communication networks. / Ha, Hojin; Yim, Changhoon; Kim, Young Yong.

In: Computer Communications, Vol. 30, No. 18, 10.12.2007, p. 3676-3689.

Research output: Contribution to journalArticle

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