NDLI: A randomized energy-conservation protocol for resilient sensor networks$^{*}$

Content Provider	Springer Nature Link
Author	Ye, Fan Zhang, Honghai Lu, Songwu Zhang, Lixia Hou, Jennifer
Copyright Year	2006
Abstract	In this paper we present PEAS, a randomized energy-conservation protocol that seeks to build resilient sensor networks in the presence of frequent, unexpected node failures. PEAS extends the network lifetime by maintaining a necessary set of working nodes and turning off redundant ones, which wake up after randomized sleeping times and replace failed ones when needed. The fully localized operations of PEAS are based on each individual node's observation of its local environment but do not require per neighbor state at any node; this allows PEAS to scale to very dense node deployment. PEAS is highly robust against node failures due to its simple operations and randomized design; it also ensures asymptotic connectivity. Our simulations and analysis show that PEAS can maintain an adequate working node density in presence of as high as 38% node failures, and a roughly constant overhead of less than 1% of the total energy consumption under various deployment densities. It extends a sensor network's functioning time in linear proportional to the deployed sensor population.
Starting Page	637
Ending Page	652
Page Count	16
File Format	PDF
ISSN	10220038
Journal	Wireless Networks
Volume Number	12
Issue Number	5
e-ISSN	15728196
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-04-27
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sensor networks Energy-conserving Robust network protocol Computer Communication Networks Electronic and Computer Engineering Business Information Systems
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Electrical and Electronic Engineering

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