期刊
IEEE ACCESS
卷 4, 期 -, 页码 3238-3245出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2016.2582153
关键词
Internet-of-Things (IoT); air quality monitoring; PM2.5; LPWA; IEEE 802.15.4k
资金
- National High-Tech R&D Program (863 Program) [2015AA01A705]
- China Natural Science Funding [61271183]
- National Key Technology R&D Program of China [2015ZX03002009-004]
- Fundamental Research Funds for the Central Universities [2014ZD03-02]
Increasing attention has been paid to air quality monitoring with a rapid development in industry and transportation applications in the modern society. However, the existing air quality monitoring systems cannot provide satisfactory spatial and temporal resolutions of the air quality information with low costs in real time. In this paper, we propose a new method to implement the air quality monitoring system based on state-of-the-art Internet-of-Things (IoT) techniques. In this system, portable sensors collect the air quality information timely, which is transmitted through a low power wide area network. All air quality data are processed and analyzed in the IoT cloud. The completed air quality monitoring system, including both hardware and software, is developed and deployed successfully in urban environments. Experimental results show that the proposed system is reliable in sensing the air quality, which helps reveal the change patterns of air quality to some extent.
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