Voice Traffic over Mobile Ad Hoc Networks: A Performance Analysis of the Optimized Link State Routing Protocol

Abstract

This thesis investigates the performance of the Optimized Link State Routing (OLSR) protocol on Voice over Internet Protocol (VoIP) applications in Mobile Ad hoc Networks (MANETs). Representative VoIP traffic is submitted to a MANET and end-to-end delay and packet loss are observed. Node density, number of data streams and mobility are varied creating a full-factorial experimental design with 18 distinct scenarios. The MANET is simulated in OPNET and VoIP traffic is introduced using one source node to send traffic to random destinations throughout the network. Simulation results indicate delay is between 0.069 ms to 0.717 ms, which is significantly lower than the recommended 150 ms threshold for VoIP applications. Packet loss is between 0.32% and 9.97%, which is less than the 10% allowable packet loss for acceptable VoIP quality. Thus OLSR is a suitable routing protocol for MANETs running VoIP applications.

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Document Details

Document Type
Technical Report
Publication Date
Mar 26, 2009
Accession Number
ADA497158

Entities

People

  • Noreen P. Santos

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Cyber

DTIC Thesaurus Topics

  • Ad Hoc Networks
  • Air Force
  • Algorithms
  • Computer Networks
  • Data Links
  • Information Operations
  • Mesh Networks
  • Mobile Ad Hoc Networks
  • Modulation
  • Network Protocols
  • Network Science
  • Orthogonal Frequency Division Multiplexing
  • Packet Loss
  • Routing Protocols
  • Transport Protocols
  • Voice Over Internet Protocol
  • Wireless Networks

Fields of Study

  • Computer science

Readers

  • Computer Networking