Robust IPTV delivery with adaptive rateless coding over a mobile WiMAX channel

  • Authors:
  • Laith Al-Jobouri;Martin Fleury;Mohammad Ghanbari

  • Affiliations:
  • School of Computer Science and Electronic Engineering, University of Essex, Colchester, UK;School of Computer Science and Electronic Engineering, University of Essex, Colchester, UK;School of Computer Science and Electronic Engineering, University of Essex, Colchester, UK

  • Venue:
  • ISRN Communications and Networking
  • Year:
  • 2011

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Abstract

As intelligent content management of IPTV moves popular material nearer to the end-user, application-layer channel coding schemes, involving the retransmission of extra redundant data, become attractive as a result of the reduced latency. Applicationlayer, adaptive rateless channel coding is exploited in this paper's scheme to reconstruct streamed video across an IEEE 802.16e (mobile WiMAX) channel. The paper concentrates on the trade-offs in implementing the scheme, showing that exact calculation of the redundant data has the potential to reduce the forward error correction bit-rate overhead. To reduce delay, an appropriate compression rate should also be selected.