A joint interchannel and network coding schema for nVoD services over wireless mesh networks

  • Authors:

  • R. Asorey-Cacheda;H. Huang;F. J. González-Castaño;E. Johnson;C. López-Bravo;F. Gil-Castiñeira

  • Affiliations:

  • Departamento de Ingeniería Telemática, Universidad de Vigo, ETSE Telecomunicación, Vigo, Spain;Klipsch School of Electrical and Computer Engineering, Dept. 3-O, Las Cruces, NM;Departamento de Ingeniería Telemática, Universidad de Vigo, ETSE Telecomunicación, Vigo, Spain;Klipsch School of Electrical and Computer Engineering, Dept. 3-O, Las Cruces, NM;Departamento de Ingeniería Telemática, Universidad de Vigo, ETSE Telecomunicación, Vigo, Spain;Departamento de Ingeniería Telemática, Universidad de Vigo, ETSE Telecomunicación, Vigo, Spain

  • Venue:
  • GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
  • Year:
  • 2009

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Abstract

As wireless mesh networks become more widely deployed, media streaming in such networks poses a pressing research issue because of the increasing importance of multi-media applications. The challenge with wireless mesh networks is the time-varying wireless channel compounded by multi-hop transmission. However, wireless mesh networks also present an opportunity, i.e., the redundancy provided by broadcast wireless media and mesh connectivity. In this paper, we present a joint interchannel and network coding schema to take advantage of this opportunity and to overcome the challenge of wireless mesh networks. We evaluate of the proposed joint coding through both mathematical analysis and computer simulation. The results demonstrate significant benefits in terms of protection against packet losses and bandwidth utilization of the joint coding schema.