Adaptive Error Resilient Mechanisms for Real-Time Multimedia Streaming over Inter-Vehicle Communication Networks

  • Matteo Petracca
  • Paolo Bucciol
  • Antonio Servetti
  • Juan Carlos De Martin
Chapter

Abstract

To allow real-time streaming of loss-tolerant flows such as multimedia streams in intervehicle communication network, we propose a cross-layer technique based on proactive error correction and interleaving algorithms. The proposed technique optimizes the FEC/interleaving channel coding parameters based on network layer information under real-time constraints. It is implemented at packet levels to allow a straightforward adaption in the existing wireless devices. By resorting to standard compliant, real-time RTCP reports, we also develop and optimize an adaptive technique that is able to match fast channel variations and reduce both the overhead required by the proactive error recovery scheme and the additional delay introduced by the interleaver. Simulations based on Gilbert–Elliott wireless channel model show that the proposed adaptive technique without optimizations is able to gain over 0.9 dB in terms of video PSNR with respect to the standard transmission, while in its optimized version, the gain is over 1.5 dB PSNR, with a total overhead of about 12%.

Keywords

Forward error correction (FEC) Intervehicle communication networks Intervehicle multimedia Multimedia signal processing VANETs 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Matteo Petracca
    • 1
  • Paolo Bucciol
    • 2
  • Antonio Servetti
    • 3
  • Juan Carlos De Martin
    • 3
  1. 1.Scuola Superiore Sant’Anna di PisaPisaItaly
  2. 2.French-Mexican Laboratory of Informatics and Automatic Control (UMI LAFMIA 3175 CNRS)San Andrés CholulaMexico
  3. 3.Politecnico di TorinoTorinoItaly

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