Energy-Latency Tradeoff of Opportunistic Routing

Chapter

Abstract

Opportunistic routing aims at exploiting sporadic radio links to improve the connectivity of multi-hop networks and to foster data transmissions. However, the benefit of opportunistic relaying may be counteracted due to energy increase resulted from multiple active receivers. In this chapter, we propose a thorough analysis of opportunistic relaying efficiency under the different realistic radio channel conditions. The study is intended to find the optimal tradeoff between two objectives: energy and latency minimizations, with a hard reliability constraint. We derive the optimal bound, namely, the Pareto front of the related optimization problem, which offers a good insight into the advantages of opportunistic routing compared with classical multi-hop routing schemes. Moreover, the experiment and simulation results verify this optimal bound. The study of lower bound provides a framework to optimize the parameters at the physical, MAC, and routing layers during the design or planning phase of a network from a cross-layer viewpoint

Keywords

Energy-latency tradeoff Pareto front Opportunistic routing Cross-layer. 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Ruifeng Zhang
    • 1
  • Olivier Berder
    • 1
  • Olivier Sentieys
    • 1
  1. 1.IRISA, INRIA, Université de Rennes 1RennesFrance

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