Abstract
Precise measurement of indoor mass concentration of particulate matter is criticially important for the health risk evaluation since modern people spend more than 90% of their life indoors. For the sake of accuracy, long-term monitoring systems should be deployed among which wireless sensor network is a sound solution. However, most of the wireless sensor networks are battery powered and thus energy management scheme should be implemented to prolong the lifetime of the whole network. Meanwhile, sample sites must be selected carefully to avoid the results bias. In this paper, the importance of sample interval as well as sample locations is investigated theoretically and practically. Results show that by adopting efficicent power management scheme, more than 67% of energy can be saved. Finally, methods of sample interval configuration as well as sample sites selection are proposed. DOI : http://dx.doi.org/10.11591/telkomnika.v12i6.5494 Full Text: PDF
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