Computer
Proceedings of the 7th international conference on Mobile systems, applications, and services
Localized Distance-Sensitive Service Discovery in Wireless Sensor and Actor Networks
IEEE Transactions on Computers
iSMS: an integration platform for short message service and IP networks
IEEE Network: The Magazine of Global Internetworking
Trade-off between energy efficiency and report validity for mobile sensor networks
ACM Transactions on Sensor Networks (TOSN)
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Rapid emergence of Wireless Sensor and Robot Networks (WSRNs) contributes to the deployment of an environmental monitoring system. Three challenging issues are critical to design of an environmental monitoring system, including energy efficiency of sensors, coverage of monitoring area, and validity of sensed data. In this paper, we design and implement an environmental monitoring system on the WSRN, namely distributed air pollution sensing (APS) system, to monitor the air quality in urban environment by taking the three issues into consideration. We apply the sensing region partition and monitoring period concepts for efficient sensed data transmission. We implement the energy-efficient reporting mechanism to prevent redundant transmissions of sensed data to save energy consumption of sensors and prolong network lifetime of the WSRN.