Efficient P2P Live Video Streaming Over Hybrid WMNs Using Random Network Coding

Behrang Barekatain, Dariush Khezrimotlagh, Mohd Aizaini Maarof, Hamid Reza Ghaeini, Alfonso Ariza Quintana, Alicia Triviño Cabrera

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

As random network coding (RNC) considerably increases the network throughput, it has been of great interest for video streaming over wireless mesh networks (WMNs). However, mobile video users suffer from high transmission overhead due to the transmission of large coefficient vectors as headers and an excessive imposed decoding computational complexity due to using the Gauss–Jordan elimination method in RNC. This complexity cannot be supported by the embedded mobile processors. To overcome these limitations, this study analyses the impact of applying a method that simplifies RNC requirements on WMNs. This method is based on the generation of a full rank coefficients matrix without any linear dependency among its vectors. Nodes encapsulate one instead of n coefficients entries into a packet which leads to very low transmission overhead. Receivers can obtain the inverted coefficients matrix by performing very few arithmetic operations. Consequently, wireless nodes experience very low decoding computational complexity eliminating the need for powerful processors and high battery energy sources. The wireless medium is also less occupied and the transmission processes are shorter. Simulation results in the OMNeT++ framework depict that the applied method provides high video quality on the nodes by addressing the mentioned challenges, even if high mobility rates exist in the WMN.

Original languageEnglish (US)
Pages (from-to)1761-1789
Number of pages29
JournalWireless Personal Communications
Volume80
Issue number4
DOIs
StatePublished - Jan 1 2015

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Network coding
Wireless mesh networks (WMN)
Video streaming
Decoding
Computational complexity
Throughput

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Barekatain, Behrang ; Khezrimotlagh, Dariush ; Maarof, Mohd Aizaini ; Ghaeini, Hamid Reza ; Quintana, Alfonso Ariza ; Cabrera, Alicia Triviño. / Efficient P2P Live Video Streaming Over Hybrid WMNs Using Random Network Coding. In: Wireless Personal Communications. 2015 ; Vol. 80, No. 4. pp. 1761-1789.
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Efficient P2P Live Video Streaming Over Hybrid WMNs Using Random Network Coding. / Barekatain, Behrang; Khezrimotlagh, Dariush; Maarof, Mohd Aizaini; Ghaeini, Hamid Reza; Quintana, Alfonso Ariza; Cabrera, Alicia Triviño.

In: Wireless Personal Communications, Vol. 80, No. 4, 01.01.2015, p. 1761-1789.

Research output: Contribution to journalArticle

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