Rapidly-deployable mesh network testbed

  • Authors:
  • Michael R. Souryal;Andreas Wapf;Nader Moayeri

  • Affiliations:
  • National Institute of Standards and Technology, Gaithersburg, Maryland;National Institute of Standards and Technology, Gaithersburg, Maryland;National Institute of Standards and Technology, Gaithersburg, Maryland

  • Venue:
  • GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
  • Year:
  • 2009

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Abstract

This paper describes a wireless mesh network testbed for research in rapid deployment and autoconfiguration of mesh nodes. Motivated by the needs of first responders and military personnel arriving to an incident area, we developed and tested an automated deployment algorithm that indicates when a mesh node needs to be deployed as the coverage area grows. Conventional radios can experience severe coverage limitations inside structures such as hi-rise buildings, subterranean buildings, caves, and underground mines. The approach examined here is to deploy wireless relays that extend coverage through multihop communication using a deployment algorithm that employs physical layer measurements. A flexible platform based on IEEE 802.11 radios has been implemented and tested in a subterranean laboratory complex where conventional public safety radios have no coverage. Applications tested include two-way voice, data, and location information. This paper describes the testbed, presents experimental results, and recommends areas for further study and development in rapidly-deployable multihop networks.