Empirical Validation of Wireless Models in Simulations of Ad Hoc Routing Protocols

Jason Liu, Yougu Yuan, David M. Nicol, Robert S. Gray, Calvin C. Newport, David Kotz, Luiz Felipe Perrone

Research output: Contribution to journalArticlepeer-review


Computer simulation has been used extensively as an effective tool in the design and evaluation of systems. One should not, however, underestimate the importance of validation—the process of ensuring whether a simulation model is an appropriate representation of the real-world system. Validation of wireless network simulations is difficult due to strong interdependencies among protocols at different layers and uncertainty in the wireless environment. The authors present an approach of coupling direct-execution simulation and traces from real outdoor experiments to validating simple wireless models that are used commonly in simulations of wireless ad hoc networks. This article documents a common testbed that supports direct execution of a set of ad hoc routing protocol implementations in a wireless network simulator. By comparing routing behavior measured in the real experiment with behavior computed by the simulation, the authors validate the models of radio behavior upon which protocol behavior depends.

Original languageEnglish (US)
Pages (from-to)307-323
Number of pages17
Issue number4
StatePublished - Apr 2005


  • Wireless network simulation
  • direct-execution simulation
  • simulation verification and validation
  • trace-driven simulation

ASJC Scopus subject areas

  • Software
  • Modeling and Simulation
  • Computer Graphics and Computer-Aided Design


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