Resource Allocation Frameworks for Network-Coded Layered Multimedia Multicast Services

Andrea Tassi, Ioannis Chatzigeorgiou, Dejan Vukobratović

Research output: Contribution to journalArticle (Academic Journal)peer-review

62 Citations (Scopus)

Abstract

The explosive growth of content-on-the-move, such as video streaming to mobile devices, has propelled research on multimedia broadcast and multicast schemes. Multirate transmission strategies have been proposed as a means of delivering layered services to users experiencing different downlink channel conditions. In this paper, we consider point-to-multipoint layered service delivery across a generic cellular system and improve it by applying different random linear network coding approaches. We derive packet error probability expressions and use them as performance metrics in the formulation of resource-allocation frameworks. The aim of these frameworks is both the optimization of the transmission scheme and the minimization of the number of broadcast packets on each downlink channel, while offering service guarantees to a predetermined fraction of users. As a case of study, our proposed frameworks are then adapted to the LTE-A standard and the eMBMS technology. We focus on the delivery of a video service based on the H.264/SVC standard and demonstrate the advantages of layered network coding over multirate transmission. Furthermore, we establish that the choice of both the network coding technique and the resource-allocation method play a critical role on the network footprint, as well as the quality of each received video layer.

Original languageEnglish
Article number6994250
Pages (from-to)141-155
Number of pages15
JournalIEEE Journal on Selected Areas in Communications
Volume33
Issue number2
DOIs
Publication statusPublished - 1 Feb 2015

Keywords

  • eMBMS
  • H.264/SVC
  • LTE-A
  • mobile communication
  • multicast communication
  • multimedia communication
  • Network coding
  • resource allocation

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