Voice communication over mobile ad hoc networks: evaluation of a QoS extension of OLSR using OPNET

Authors:
Patrick Sondi;Dhavy Gantsou
Affiliations:
Univ Lille Nord de France, Lille, France and UVHC, LAMIH, Valenciennes, France and CNRS, UMR, Valenciennes, France;Univ Lille Nord de France, Lille, France and UVHC, LAMIH, Valenciennes, France and CNRS, UMR, Valenciennes, France
Venue:
AINTEC '09 Asian Internet Engineering Conference
Year:
2009

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Abstract

Works on voice communication over mobile ad hoc networks essentially rely on routing protocols that were originally proposed for best-effort services. However, best-effort routing is not adapted to voice communication due to real-time and quality of service constraints. In order to enable the Optimized Link State Routing (OLSR) to fulfill these constraints, we propose a QoS extension model of OLSR. This model is then evaluated using the OPNET simulator. Besides confirmation of the fact that end-to-end delay, and jitter constraints of voice applications are fulfilled, the simulation results show an improvement of the packets delivery ratio in comparison with native OLSR.