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IEICE Transactions on Communications 2006 E89-B(10):2802-2808; doi:10.1093/ietcom/e89-b.10.2802
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Copyright © 2006 The Institute of Electronics, Information and Communication Engineers

Special Section on Mobile Multimedia Communications -- Letters

Piggyback Packetization of Duplicate Packets for Packet-Loss Resilient Video Transmission

Man-keun SEO1, Yo-won JEONG1, Kwang-deok SEO2 and Jae-kyoon KIM1

1 The authors are with the Department of Electrical Engineering and Computer Science, KAIST, Daejeon, 305-701, Korea., 2 The author is with the Computer and Telecommunications Engineering Division, Yonsei Univ., Wonju, Gangwon, 220-710, Korea. Corresponding author E-mail: kdseo{at}yonsei.ac.kr

The transmission of duplicate packets provides a loss-resilience without undue time-delay in the video transmission over packet loss networks. However, this method generally deteriorates the problem of traffic congestion because of the increased bit-rate for duplicate packet transmission. In this paper, we propose a set of techniques for an efficient packetization and transmission of duplicate video packets. The proposed method transmits the duplicate packet containing high priority data that is quite small in volume but very important for the reconstruction of the video. This method significantly reduces the required bit-rate for duplicate transmission. An efficient packetization method is also proposed to reduce additional packet overhead which is required for transmitting the duplicate data. It is shown by simulations that the proposed method remarkably improves the packet loss-resilience for video transmission only with small increase of redundant duplicated data for each slice.

Key Words: error resilience, video communication, video packetization

Manuscript received December 21, 2005. Manuscript revised April 7, 2006.


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