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Smart-Green-Mult (SGM): overhear from topological kingpins in software defined wireless sensor networks

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Abstract

Wireless sensor networks (WSNs) are an important component of the Internet of Things (IoT). Each multicast group in a WSN consists of a set of multicast members. In a sparse network, multicast members belonging to the same group may not be very closely spaced. On the other hand, in a dense environment, more than one multicast member of a group may highly reside within downlink regions of the same router which may or may not be a multicast member. In that case, a multicast message can be delivered to more than one multicast member in a shot. This characteristic improves the status of a node from an ordinary router to a topological kingpin. If a good number of topological kingpins are included in a multicast tree, then a great amount of energy is saved increasing network throughput. The present article proposes one such energy efficient multicast scheme: Smart–Green–Mult (SGM), based on Software Defined Wireless Sensor Network (SD-WSN) framework. The network is divided into several zones. The shape of each zone is either circular or elliptical or polygonal. Each zone is under control of an Software Defined Network controller. SDN controller of each zone is aware of the topology of the zone and can compute energy efficient paths from any source to any destination inside or outside the zone. Overall this is a multicast protocol in SD-WSN.

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Correspondence to Abu Sufian.

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Banerjee, A., Sufian, A. Smart-Green-Mult (SGM): overhear from topological kingpins in software defined wireless sensor networks. J Ambient Intell Human Comput 12, 387–404 (2021). https://doi.org/10.1007/s12652-020-01984-2

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  • DOI: https://doi.org/10.1007/s12652-020-01984-2

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