Wireless sensor networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
Mobility improves coverage of sensor networks
Proceedings of the 6th ACM international symposium on Mobile ad hoc networking and computing
ICCSIT '08 Proceedings of the 2008 International Conference on Computer Science and Information Technology
A New Self-Deployment Algorithm in Hybrid Sensor Network
IITA '08 Proceedings of the 2008 Second International Symposium on Intelligent Information Technology Application - Volume 02
On Multihop Distances in Wireless Sensor Networks with Random Node Locations
IEEE Transactions on Mobile Computing
Redeploying mobile wireless sensor networks with virtual forces
WD'09 Proceedings of the 2nd IFIP conference on Wireless days
Ant Colony Based Node Deployment and Search in Wireless Sensor Networks
CICN '10 Proceedings of the 2010 International Conference on Computational Intelligence and Communication Networks
A Sensor Relocation Scheme for Wireless Sensor Networks
WAINA '11 Proceedings of the 2011 IEEE Workshops of International Conference on Advanced Information Networking and Applications
A Novel Virtual Force Approach for Node Deployment in Wireless Sensor Network
DCOSS '12 Proceedings of the 2012 IEEE 8th International Conference on Distributed Computing in Sensor Systems
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The performance and quality of services in wireless sensor networks WSNs depend on coverage and connectivity. Node placement is a fundamental issue closely related to the coverage and connectivity in sensor networks. Node placement influences the target position, coverage area, and connectivity in sensor networks. In random deployment, sensor nodes are deployed randomly in a non-invasive way. The deployment process may cause issues like coverage holes, overlapping, and connectivity failure. Enhancing coverage and connectivity are important for sensor networks to provide a reliable communication within sensing. Placing many sensor nodes in a WSN application region area is not the best solution due to cost and it results in multiple sensors used. Mobile sensor node is used as an alternative to overcome the random deployment problem. The virtual force based self node deployment is used in the mobility sensor to improve the coverage and connectivity area. Virtual Force Algorithm VFA approach using virtual repulsive and attractive forces is used to find the optimal node placement to minimize the problems. Simulation results proofed that a uniform deployment achieved using VFA approach with an optimal sensing range to cover the region of interest.