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𝑅2NC: Redundant and Random Network Codingfor Robust H.264/SVC Transmission
Department of Computer Science & Technology, Xi’an Jiaotong University, China.
Department of Computer Science & Technology, Xi’an Jiaotong University, China.
Department of Computer Science & Engineering, Shanghai Jiaotong University, China.
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-0019-8411
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2011 (English)In: 14th IEEE International Conference on Network-Based Information Systems (NBiS), 2011 / [ed] Leonard Barolli, Fatos Xhafa, Makoto Takizawa, IEEE Computer Society, 2011, 634-639 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we are interested in improving the performance of constructive network coding schemes for video transmission over packet lossy networks. A novel unequal packet loss protection scheme R2NC based on low-triangular global coding matrix with ladder-shaped partition will be presented, which combines redundant and random network coding for robust H.264/SVC video transmission. Firstly, the error-correcting capabilities of redundant network coding make our scheme resilient to loss. Secondly, the implementation of random network coding at the intermediate nodes with multiple input links can reduce the cost of network bandwidth, thus reducing the end to end delay for video transmission. Thirdly, the low-triangular global coding matrix with ladder-shaped partition is maintained throughout R2NC process to provide unequal erasure protection for H.264/SVC priority layers. The redundant network coding avoids the retransmission of lost packets and improves error correcting capabilities of lost packets. Based only on the knowledge of the loss rates on the output links, the source node and intermediate nodes can make decisions for redundant network coding and random network coding (i.e., how much redundancy to add at this node). However, the redundancy caused by redundant network coding makes the network load increases, in order to improve network throughput, we perform random network coding at the intermediate nodes. Our approach is grounded on the overall distortion of reconstructed video minimization by optimizing the amount of redundancy assigned to each layer. Experimental results are shown to demonstrate the significant improvement of H.264/SVC video reconstruction quality with R2NC over packet lossy networks.

Place, publisher, year, edition, pages
IEEE Computer Society, 2011. 634-639 p.
Series
International Conference on Network-Based Information Systems, ISSN 2157-0418
Keyword [en]
H.264/SVC transmission;R2NC;error correcting capability;intermediate nodes;ladder-shaped partition;low-triangular global coding matrix;network bandwidth;packet loss protection;packet lossy networks;redundant and random network coding;source node;video transmission;error correction codes;network coding;random codes;video coding;video communication;
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-74132DOI: 10.1109/NBiS.2011.119ISBN: 978-1-4577-0789-6 (print)ISBN: 978-0-7695-4458-8 (print)OAI: oai:DiVA.org:liu-74132DiVA: diva2:480606
Conference
14th IEEE International Conference on Network-Based Information Systems (NBiS), Tirana, Albania, 7-9 Sept. 2011
Available from: 2012-01-31 Created: 2012-01-19 Last updated: 2015-03-18Bibliographically approved

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Fowler, Scott

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