Energy and delay-constrained routing in mobile ad hoc networks: an initial approach

  • Authors:

  • Laura Sánchez-Miquel;Natalia Vesselinova-Vassileva;Francisco Barceló;Patricia Carbajo-Flores

  • Affiliations:

  • Technical University of Catalonia (UPC), Barcelona, Spain;Technical University of Catalonia (UPC), Barcelona, Spain;Technical University of Catalonia (UPC), Barcelona, Spain;Technical University of Catalonia (UPC), Barcelona, Spain

  • Venue:
  • PE-WASUN '05 Proceedings of the 2nd ACM international workshop on Performance evaluation of wireless ad hoc, sensor, and ubiquitous networks
  • Year:
  • 2005

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Abstract

Energy conservation is a critical issue regarding wireless mobile ad hoc networks, since the nodes are battery restrained and the depletion of their power defines the lifetime of the network. In this work a mechanism for energy saving and timely delivery of data packets is incorporated into the route discovery phase to select paths with lower cost. The proposed algorithm utilizes two metrics: residual energy and queue length at each node. Buffer information is considered as a traffic load characteristic and its use is twofold: limitation of battery power consumption and end-to-end delay. A simulation-based performance comparison between a routing ad hoc protocol and its modified energy and delay-constrained version demonstrates that the latter one improves system performance for certain network scenarios.