Wireless Sensor Network Layout

Stefka Fidanova1, Pencho Marinov1 Enrique Alba2 1Institute of Information and Communication Technologies – BAS 2University of Malaga, Spain Wireless Sensor Network Layout

Contents • Telecommunications • Wireless Sensor Network • Problem Formulation • Ant Colony Optimization • Computational Results • Conclusion and Future Work

Telecommunications • Telephones • Television • Data transmissions • Internet • Security

Wireless Sensor Network • Reconnaissance • Surveillance • Forest fire prevention • Volcano eruption study • Health data monitoring • Civil engineering

WSN Layout Problem • High Energy Communication Node • Sensing Radius • Communication Radius • Fully Covered and Connected Area • Minimal Number of Sensors • Minimal energy

Objective Function

Real Ants Behavior

Ant Colony Optimization Procedure ACO Begin initialize the pheromone while stopping criterion not satisfied do position each ant on a starting node repeat for each ant do chose next node end for until every ant has build a solution update the pheromone end while end

Transition Probability

Pheromone Updating

Computational Example • Sensing area 500x500 • Coverage radius 30 • Communication radius 30

Computational Results

WSN Layout

Conclusion and Future Work

Thank for Your Attention

Wireless Sensor Network Layout

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