Fires usually occur in homes because of carelessness and changes in environmental\nconditions. They cause threats to the residential community and may result in human death and\nproperty damage. Consequently, house fires must be detected early to prevent these types of\nthreats. The immediate notification of a fire is the most critical issue in domestic fire detection\nsystems. Fire detection systems using wireless sensor networks sometimes do not detect a fire as a\nconsequence of sensor failure. Wireless sensor networks (WSN) consist of tiny, cheap, and\nlow-power sensor devices that have the ability to sense the environment and can provide real-time\nfire detection with high accuracy. In this paper, we designed and evaluated a wireless sensor\nnetwork using multiple sensors for early detection of house fires. In addition, we used the Global\nSystem for Mobile Communications (GSM) to avoid false alarms. To test the results of our fire\ndetection system, we simulated a fire in a smart home using the Fire Dynamics Simulator and a\nlanguage program. The simulation results showed that our system is able to detect early fire, even\nwhen a sensor is not working, while keeping the energy consumption of the sensors at an\nacceptable level.
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