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Wireless sensor networks for emergency navigation

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3 Author(s)
Yu-Chee Tseng ; Nat. Chiao Tung Univ., Hsinchu, Taiwan ; Meng-Shiuan Pan ; Yuen-Yung Tsai

In an emergency, wireless network sensors combined with a navigation algorithm could help safely guide people to a building exit while helping them avoid hazardous areas. We propose a distributed navigation algorithm for emergency situations. At normal time, sensors monitor the environment. When the sensors detect emergency events, our protocol quickly separates hazardous areas from safe areas, and the sensors establish escape paths. Simulation and implementation results show that our scheme achieves navigation safety and quick convergence of the navigation directions. We based our protocol on the temporally ordered routing algorithm for mobile ad hoc networks. TORA assigns mobile nodes temporally ordered sequence numbers to support multipath routing from a source to a specific destination node

Published in:

Computer  (Volume:39 ,  Issue: 7 )