Journal
SENSORS
Volume 9, Issue 10, Pages 7970-7987Publisher
MDPI
DOI: 10.3390/s91007970
Keywords
gas sensors; wireless sensor networks; air pollutant monitoring
Funding
- National Research Foundation (NRF) of Korea [2009-0079878, 2009-0066418]
- ITRC program [IITA-2009-C1090-0902-0015]
- Ministry of Knowledge Economy
- Ministry of Public Safety & Security (MPSS), Republic of Korea [C1090-0902-0015] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2005-0051067, 과C6A1607, 2009-0079878] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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.
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