Altruists in the PicoRadio sensor network
- 26 June 2003
- proceedings article
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
Self-configuring wireless sensor networks are a fasci- nating emerging technology: the vision is to spread out hundreds or thousands of small, cheap, battery-driven, and self-configuring nodes bearing a wireless modem to accomplish a given task jointly. An important concern is the network lifetime: as nodes run out of power, the con- nectivity decreases and the network can finally be parti- tioned and become dysfunctional. In this paper we present the BWRC PicoRadio approach to wireless sensor net- working. Furthermore we introduce the general concept of altruistic nodes and apply this to the routing protocol of the PicoRadio (the energy aware routing protocol, EAR). The concept of altruists is a lightweight approach for ex- ploiting differences in the nodes capabilities. We show, that the altruist approach can achieve significant gains in terms of network lifetime over the already lifetime- optimized EAR protocol of PicoRadio.Keywords
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