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Sensors 2009, 9(9), 7287-7307; doi:10.3390/s90907287

A Hybrid Adaptive Routing Algorithm for Event-Driven Wireless Sensor Networks

1
Analysis, Research and Technological Innovation Center, Av. Gov. Danilo de Matos Areosa, 381, Distrito Industrial, 69075-351, Manaus, AM, Brazil
2
Department of Computer Science, Federal University of Minas Gerais, Av. Antonio Carlos, 6627, 31270-010, Belo Horizonte, MG, Brazil
*
Authors to whom correspondence should be addressed.
Received: 22 July 2009 / Revised: 27 August 2009 / Accepted: 7 September 2009 / Published: 10 September 2009
(This article belongs to the Special Issue Sensor Algorithms)
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Abstract

Routing is a basic function in wireless sensor networks (WSNs). For these networks, routing algorithms depend on the characteristics of the applications and, consequently, there is no self-contained algorithm suitable for every case. In some scenarios, the network behavior (traffic load) may vary a lot, such as an event-driven application, favoring different algorithms at different instants. This work presents a hybrid and adaptive algorithm for routing in WSNs, called Multi-MAF, that adapts its behavior autonomously in response to the variation of network conditions. In particular, the proposed algorithm applies both reactive and proactive strategies for routing infrastructure creation, and uses an event-detection estimation model to change between the strategies and save energy. To show the advantages of the proposed approach, it is evaluated through simulations. Comparisons with independent reactive and proactive algorithms show improvements on energy consumption. View Full-Text
Keywords: wireless sensor networks; self-adaptive routing; self organization; proactive routing; reactive routing; moving average; estimation wireless sensor networks; self-adaptive routing; self organization; proactive routing; reactive routing; moving average; estimation
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Figueiredo, C.M.S.; Nakamura, E.F.; Loureiro, A.A.F. A Hybrid Adaptive Routing Algorithm for Event-Driven Wireless Sensor Networks. Sensors 2009, 9, 7287-7307.

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