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On Rate-adaptive LDPC-based Cross-layer SVC over Bursty Wireless Channels
  • KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

On Rate-adaptive LDPC-based Cross-layer SVC over Bursty Wireless Channels

Vol. 6, No. 9, September 25, 2012
10.3837/tiis.2012.09.017, Download Paper (Free):

Abstract

Recent studies have indicated that a significant improvement in wireless video throughput can be achieved by Cross Layer Design with Side-information (CLDS) protocols. In this paper, we derive the operational rate of a CLDS protocol operating over a realistic wireless channel. Then, a Rate-Distortion (R-D) empirical model for above-capacity Scalable Video Coding (SVC) is deduced to estimate the loss of video quality incurred under inaccurate rate estimation scenarios. Finally, we develop a novel Unequal Error Protection (UEP) scheme which leverages the characteristics of LDPC codes to reduce the distortion of video quality in case of typically-observed burst wireless errors. The efficacy of the proposed rate adaptation architecture over conventional protocols is demonstrated by realistic video simulations using actual IEEE 802.11b wireless traces.


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Cite this article

[IEEE Style]
Y. Cho, J. Cha, H. Radha and K. Seo, "On Rate-adaptive LDPC-based Cross-layer SVC over Bursty Wireless Channels," KSII Transactions on Internet and Information Systems, vol. 6, no. 9, pp. 2266-2284, 2012. DOI: 10.3837/tiis.2012.09.017.

[ACM Style]
Yongju Cho, Jihun Cha, Hayder Radha, and Kwang-deok Seo. 2012. On Rate-adaptive LDPC-based Cross-layer SVC over Bursty Wireless Channels. KSII Transactions on Internet and Information Systems, 6, 9, (2012), 2266-2284. DOI: 10.3837/tiis.2012.09.017.