A comparison of lifetime-efficient forwarding strategies for wireless sensor networks

  • Authors:
  • Marcel Busse;Thomas Haenselmann;Wolfgang Effelsberg

  • Affiliations:
  • University of Mannheim, Mannheim, Germany;University of Mannheim, Mannheim, Germany;University of Mannheim, Mannheim, Germany

  • Venue:
  • Proceedings of the 3rd ACM international workshop on Performance evaluation of wireless ad hoc, sensor and ubiquitous networks
  • Year:
  • 2006

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Abstract

As shown in previous work, energy-efficient forwarding is a very promising forwarding strategy since it trades off the delivery rate of nodes sending data to a sink node and the required energy in the network very well. However, although forwarding paths might be energy-efficient, this does not have to extend the lifetime of the network. Some nodes may consume more energy than others, increasing the probability of network partitions. Thus, algorithms maximizing the lifetime were proposed. However, only considering the lifetime must not achieve good delivery rates and a low energy consumption. The contribution of this paper is a forwarding metric that incorporates the end-to-end delivery, the required energy costs, and in addition the residual energy of nodes being on the forwarding path. Using simulations, we compare our scheme with forwarding strategies based on other metrics and give insights on its performance characteristics