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Alarm accuracy of infusion monitoring device mostly depends on drop speed measuring of infusion. A new drop speed calculation is put forward for the discontinuous characteristics of infusion. 5 drops is taken as a calculation unit. When new drop is detected, the time interval between new drop & its previous one will replace that between first one drop and second drop. The average drop speed...
Faulty components in a network need to be localized and repaired to sustain the health of the network. In this paper, we propose a novel approach that carefully combines active and passive measurements to localize faults in wireless sensor networks. More specifically, we formulate a problem of optimal sequential testing guided by end-to-end data. This problem determines an optimal testing sequence...
Monitoring the health of a sensor network is important for maintaining the health and normal operation of the network. For large-scale cost- effective monitoring, using inexpensive motes as sniffers is an attractive choice. In this paper, we quantify the capability and fidelity of mote-class sniffers for sensor network monitoring. In particular, we experimentally quantify the sustainable workload...
Wireless sensor networks have been used for many delay-sensitive applications, e.g., emergency response and plant automation. In such networks, delay measurement is important for a number of reasons, e.g., real-time control of the networked system, and abnormal delay detection. In this paper, we propose a measurement architecture using distributed air sniffers, which provides convenient delay measurement,...
Faulty components in a network need to be localized and repaired to sustain the health of the network. In this paper, we propose a novel approach that carefully combines active and passive measurements to localize faults in wireless sensor networks. More specifically, we formulate a problem of optimal sequential testing guided by end-to-end data. This problem determines an optimal testing sequence...
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