Probabilistic Assessment of High-Throughput Wireless Sensor Networks
AbstractStructural health monitoring (SHM) using wireless smart sensors (WSS) has the potential to provide rich information on the state of a structure. However, because of their distributed nature, maintaining highly robust and reliable networks can be challenging. Assessing WSS network communication quality before and after finalizing a deployment is critical to achieve a successful WSS network for SHM purposes. Early studies on WSS network reliability mostly used temporal signal indicators, composed of a smaller number of packets, to assess the network reliability. However, because the WSS networks for SHM purpose often require high data throughput, i.e., a larger number of packets are delivered within the communication, such an approach is not sufficient. Instead, in this study, a model that can assess, probabilistically, the long-term performance of the network is proposed. The proposed model is based on readily-available measured data sets that represent communication quality during high-throughput data transfer. Then, an empirical limit-state function is determined, which is further used to estimate the probability of network communication failure. Monte Carlo simulation is adopted in this paper and applied to a small and a full-bridge wireless networks. By performing the proposed analysis in complex sensor networks, an optimized sensor topology can be achieved. View Full-Text
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Kim, R.E.; Mechitov, K.; Sim, S.-H.; Spencer, B.F.; Song, J. Probabilistic Assessment of High-Throughput Wireless Sensor Networks. Sensors 2016, 16, 792.
Kim RE, Mechitov K, Sim S-H, Spencer BF, Song J. Probabilistic Assessment of High-Throughput Wireless Sensor Networks. Sensors. 2016; 16(6):792.Chicago/Turabian Style
Kim, Robin E.; Mechitov, Kirill; Sim, Sung-Han; Spencer, Billie F.; Song, Junho. 2016. "Probabilistic Assessment of High-Throughput Wireless Sensor Networks." Sensors 16, no. 6: 792.
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