Construction of a Sensor Network to Forecast Landslide Disasters

Suzuki, H.; Kuroyanagi, Daichi; Asano, David K.; Komatsu, Masaaki; Takeshita, Yuji; Sawada, Kazuaki; Futagawa, Masato; Nose, Hiroaki; Fuwa, Yasushi

doi:10.1007/978-3-642-38401-1_14

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2014

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“…1 [11], [12]. Sensors buried on a mountain slope measure the water content of the soil at regular intervals.…”

Section: Overviewmentioning

confidence: 99%

A Pseudo-TDMA MAC Protocol Using Randomly Determined Transmission Times for Landslide Prediction Wireless Sensor Networks

Asano

Kuroyanagi²,

Suzuki

et al. 2014

IEICE Trans. Commun.

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SUMMARYLandslides during heavy rainfall cause a great amount of damage in terms of both property and human life. To predict landslide disasters, we designed and implemented a wireless sensor network using our existing highly fault tolerant ad-hoc network. Since many sensors must be used, we propose a new MAC protocol that allows the network to support more sensor terminals. Our protocol is a hybrid CSMA/Psuedo-TDMA scheme which allows the terminals to decide their transmission timing independently in a random fashion. A timing beacon is not required, so power consumption can be reduced. Simulation results show that the number of terminals supported by the network can be greatly increased.

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“…1 [11], [12]. Sensors buried on a mountain slope measure the water content of the soil at regular intervals.…”

Section: Overviewmentioning

confidence: 99%