Abstract
Wireless Sensor Network (WSN) is the most preferred technology for communication in resource constrained environments. They offer high-quality data propagation with limited delay. Sensor Network can be established with the help of self-configurable nodes to monitor various physical phenomenon. Multicasting in WSN results in low communication control overhead but may lead to congestion, which results in data loss, redundant transmissions, poor throughput and reduced network lifetime. In this paper, we propose a protocol to estimate the Degree of Congestion (CD) at each node to ensure load balance and avoid further congestion within the network. It is demonstrated that the proposed scheme is better compared with existing congestion control schemes in terms of end-to-end delay and energy efficiency.
Highlights
Wireless Sensor networks have found their way into applications like disaster relief, war-field surveillance, monitoring big constructions and emergency rescue
It is demonstrated that the proposed scheme is better compared with existing congestion control schemes in terms of end-to-end delay and energy efficiency
We propose a node scheduling-based congestion control scheme for Wireless Sensor Network (WSN) multicasting
Summary
Wireless Sensor networks have found their way into applications like disaster relief, war-field surveillance, monitoring big constructions and emergency rescue. Typical applications like Video Conferencing and battlefield surveillance, needs to establish communication between a single source and multiple destination systems. To perform this task efficiently, Multicast Communication is preferred over unicasting. For Group communication, unicast will forward individual data packets to each node separately, whereas in multicasting, a single message can be used to reach group of nodes This will result in significant saving of energy and extends overall network lifetime. We propose a node scheduling-based congestion control scheme for WSN multicasting. To extend network lifetime and to provide seamless communication, we devise a Node Scheduling based Secured Multicast (NSSM) scheme.
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