Position-based ad hoc routes in ad hoc networks

  • Authors:
  • Silvia Giordano;Ivan Stojmenovic

  • Affiliations:
  • LCA-IC-EPFL, Lausanne, Switzerland;University of Ottawa, Ottawa, Ontario, Canada

  • Venue:
  • The handbook of ad hoc wireless networks
  • Year:
  • 2003

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Abstract

Highly dynamic topology is a fundamental characteristic of mobile ad hoc networks. For this reason, maintaining a consistent state for routing purposes can be a very difficult task. The introduction of node position information can significantly simplify the routing task. Additionally, small, inexpensive low power Global Positioning System (GPS) receivers and techniques for finding relative coordinates based on signal strengths have recently become available. A number of position-based routing methods for ad hoc networks have been developed. As an inherent part of the position-based approach to routing, different schemes for location updates have been presented. This chapter surveys routing and location updates methods, with the main focus on schemes that are loop free and localized and follow a single-path strategy, all of which are desirable characteristics of scalable routing protocols.