Fuzzy metric approach for route lifetime determination in wireless ad hoc networks

  • Authors:
  • Essam Natsheh;Sabira Khatun;Adznan B. Jantan;Shamala Subramaniam

  • Affiliations:
  • Department of Computer and Communication Systems Engineering, Faculty of Engineering, University Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.;Department of Computer and Communication Systems Engineering, Faculty of Engineering, University Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.;Department of Computer and Communication Systems Engineering, Faculty of Engineering, University Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.;Department of Computer and Communication Systems Engineering, Faculty of Engineering, University Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia

  • Venue:
  • International Journal of Ad Hoc and Ubiquitous Computing
  • Year:
  • 2008

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Abstract

In wireless ad hoc networks, Ad-hoc On-Demand Distance Vector (AODV) routing protocol uses static value for 'Active-Route-Timeout' (ART) which indicates the lifetime of an active route in the routing table. As accurate and dynamic ART is more suitable than static one, the fuzzy logic system is used here to obtain adaptive ART (fuzzy ART) values. Considering various parameters on fuzzy ART, three design methods are proposed, namely: fuzzy-SKP, fuzzy-Power and fuzzy-Comb. Analysis shows that the proposed methods are able to optimise ART quite efficiently and superior to the conventional method with respect to routing overhead and average end-to-end delay.