Optimal Node Placement in Wireless Sensor Networks

Sensor networks have been proposed for various applications due its ability for monitoring and detecting a possible hazardous event in underground mines such as fire, flammable, explosive, toxic gas; where judicious deployment of fixed anchors (node with known positions) is to be considered. In emergencies wireless communication may become vital for survival, for example, during a disaster such as a fire, rock falls, the conventional wired communication system may become unreliable, necessitating a wireless radio system. A wireless sensor network is composed of sensors which are deployed across a geographical area. Each sensor can be thought of as having two important modules. The first is the sensing module depending on the mission at hand (i.e., seismic, chemical, temperature, etc.).

Provided by: International Journal of Engineering Science and Technology (IJEST) Topic: Mobility Date Added: Feb 2011 Format: PDF

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