Cost-effective routing as a service in sensor-cloud Online publication date: Mon, 13-Jan-2020
by Biplab Kanti Sen; Anupam Sarkar; Sunirmal Khatua; Rajib K. Das
International Journal of Sensor Networks (IJSNET), Vol. 32, No. 1, 2020
Abstract: Sensor-cloud is a collaborative platform which allows multiple wireless sensor networks (WSN) to pull their resources together for better utilisation and efficiency. In this work, we consider a set of applications, each characterised by the set of targets it intends to cover and our aim is to provide routing as a service (RaaS) to all these applications in the sensor-cloud. We should be able to run data gathering for each application in parallel with the minimum use of sensor-cloud resources. This is achieved by creating a collection of data gathering trees. We have proposed an algorithm which selects a minimal set of sensors to cover the required targets and obtains a spanning forest connecting them so that, the total energy cost of all the trees in the forest is minimised. Experimental results demonstrate the advantages of serving the applications by a sensor-cloud over standalone WSNs in terms of the usage of resources.
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