A Novel Mobile-Coverage Scheme for Hybrid Sensor Networks

A novel key management scheme for heterogeneous sensor networks based on the position of nodes

Wireless sensor networks (WSNs) have many applications in the areas of commercial, military and environmental requirements. Regarding the deployment of low cost sensor nodes with restricted energy resources, these networks face a lot of security challenges. A basic approach for preparing a secure wireless communication in WSNs, is to propose an efficient cryptographic key management protocol be...

HYREP: A Hybrid Low-Power Protocol for Wireless Sensor Networks

In this paper, a new hybrid routing protocol is presented for low power Wireless Sensor Networks (WSNs). The new system uses an integrated piezoelectric energy harvester to increase the network lifetime. Power dissipation is one of the most important factors affecting lifetime of a WSN. An innovative cluster head selection technique using Cuckoo optimization algorithm has been used in the desig...

Randomized Coverage Algorithms for Mobile Sensor Networks

In this work, without exploiting any location and distance information, distributed and randomized algorithms are devised for mitigating the un-coverage problem. These algorithms detect uncovered areas and redundant mobile sensor nodes, and direct them to move to cover the uncovered areas, only basing on the number of neighbors of each node by consuming a small amount of extra control packets. ...

a novel key management scheme for heterogeneous sensor networks based on the position of nodes

wireless sensor networks (wsns) have many applications in the areas of commercial, military and environmental requirements. regarding the deployment of low cost sensor nodes with restricted energy resources, these networks face a lot of security challenges. a basic approach for preparing a secure wireless communication in wsns, is to propose an efficient cryptographic key management protocol be...

Coverage Quality in Visual Sensor Networks