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Sensors 2009, 9(10), 7970-7987; doi:10.3390/s91007970

Micro Sensor Node for Air Pollutant Monitoring: Hardware and Software Issues

1,*  and 2
1 Department of Computer Science, Yonsei University, Seodaemungu, Shinchondong, Seoul, Korea 2 Department of Computer Engineering, Hongik University, Mapogu, Sangsoodong, Seoul, Korea
* Author to whom correspondence should be addressed.
Received: 5 August 2009 / Revised: 22 September 2009 / Accepted: 24 September 2009 / Published: 12 October 2009
(This article belongs to the Special Issue Modeling, Testing and Reliability Issues in MEMS Engineering - 2009)
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Wireless sensor networks equipped with various gas sensors have been actively used for air quality monitoring. Previous studies have typically explored system issues that include middleware or networking performance, but most research has barely considered the details of the hardware and software of the sensor node itself. In this paper, we focus on the design and implementation of a sensor board for air pollutant monitoring applications. Several hardware and software issues are discussed to explore the possibilities of a practical WSN-based air pollution monitoring system. Through extensive experiments and evaluation, we have determined the various characteristics of the gas sensors and their practical implications for air pollutant monitoring systems.
Keywords: gas sensors; wireless sensor networks; air pollutant monitoring gas sensors; wireless sensor networks; air pollutant monitoring
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Choi, S.; Kim, N.; Cha, H.; Ha, R. Micro Sensor Node for Air Pollutant Monitoring: Hardware and Software Issues. Sensors 2009, 9, 7970-7987.

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