Sensors 2008, 8(11), 7259-7274; doi:10.3390/s8117259
Article

A Mobile Sensor Network System for Monitoring of Unfriendly Environments

School of Instrument Science and Engineering, Southeast University, Nanjing, 210096, P.R. China
* Author to whom correspondence should be addressed.
Received: 15 October 2008; in revised form: 7 November 2008 / Accepted: 13 November 2008 / Published: 14 November 2008
(This article belongs to the Special Issue Wireless Sensor Technologies and Applications)
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Abstract: Observing microclimate changes is one of the most popular applications of wireless sensor networks. However, some target environments are often too dangerous or inaccessible to humans or large robots and there are many challenges for deploying and maintaining wireless sensor networks in those unfriendly environments. This paper presents a mobile sensor network system for solving this problem. The system architecture, the mobile node design, the basic behaviors and advanced network capabilities have been investigated respectively. A wheel-based robotic node architecture is proposed here that can add controlled mobility to wireless sensor networks. A testbed including some prototype nodes has also been created for validating the basic functions of the proposed mobile sensor network system. Motion performance tests have been done to get the positioning errors and power consumption model of the mobile nodes. Results of the autonomous deployment experiment show that the mobile nodes can be distributed evenly into the previously unknown environments. It provides powerful support for network deployment and maintenance and can ensure that the sensor network will work properly in unfriendly environments.
Keywords: Wireless sensor network; Mobile sensor network; Mobile node; Localization; Deployment

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MDPI and ACS Style

Song, G.; Zhou, Y.; Ding, F.; Song, A. A Mobile Sensor Network System for Monitoring of Unfriendly Environments. Sensors 2008, 8, 7259-7274.

AMA Style

Song G, Zhou Y, Ding F, Song A. A Mobile Sensor Network System for Monitoring of Unfriendly Environments. Sensors. 2008; 8(11):7259-7274.

Chicago/Turabian Style

Song, Guangming; Zhou, Yaoxin; Ding, Fei; Song, Aiguo. 2008. "A Mobile Sensor Network System for Monitoring of Unfriendly Environments." Sensors 8, no. 11: 7259-7274.

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