Alarm systems for rain-induced sudden hazards

• Main Authors: Libatique, N.J. C., Tangonan, G. L., Gustilo, Reggie C., Seah, W.K. G., Pineda, C., Guico, M. L., Abrajano, G., Ching, R., Zamora, J. L., Espinosa, A., Lamac, R., Dy, H., Pusta, J., Trono, E. M., Gimpaya, A., San Luis, J. R., Gonzales, S. J., Lotho, A. T., Estuar, R.
• Format: text
• Published: Animo Repository 2009
• Subjects: Wireless communication systems; Rain and rainfall—Measurement; Wireless sensor networks; Electrical and Computer Engineering; Systems and Communications
• Online Access: https://animorepository.dlsu.edu.ph/faculty_research/7299
• Institution: De La Salle University

This paper discusses the design of a broadband wireless network infrastructure which itself is a rain measurement platform for application such as rain induced sudden hazards. The system consists of a hybrid broadband wireless network in conjunction with real-time acoustic rain rate point sensors and complementary rain gauges with a web-based proof of concept sudden hazard decision management system incorporating a GSM-based SMS alarm. The testbed simulates the commercial deployment of a line-of-sight wireless backbone (implemented via a 26 GHz and 2.4 GHz. Combined wireless signal fade, acoustic power and tipping bucket rain rate measurements indicate the feasibility of using rain-induced RF signal fade thresholds and fade durations to trigger imminent sudden hazards.