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Sensors (Basel). 2012 Mar 27;12(4):3964-96. doi: 10.3390/s120403964.

An overview of data routing approaches for wireless sensor networks.

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1
Department of Computer Systems and Communications, Universiti Teknologi Malaysia (UTM), Johor 81310, Malaysia. anisi@live.utm.my

Abstract

Recent years have witnessed a growing interest in deploying large populations of microsensors that collaborate in a distributed manner to gather and process sensory data and deliver them to a sink node through wireless communications systems. Currently, there is a lot of interest in data routing for Wireless Sensor Networks (WSNs) due to their unique challenges compared to conventional routing in wired networks. In WSNs, each data routing approach follows a specific goal (goals) according to the application. Although the general goal of every data routing approach in WSNs is to extend the network lifetime and every approach should be aware of the energy level of the nodes, data routing approaches may focus on one (or some) specific goal(s) depending on the application. Thus, existing approaches can be categorized according to their routing goals. In this paper, the main goals of data routing approaches in sensor networks are described. Then, the best known and most recent data routing approaches in WSNs are classified and studied according to their specific goals.

PMID:
23443040
PMCID:
PMC3355394
DOI:
10.3390/s120403964
[Indexed for MEDLINE]
Free PMC Article
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