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Channel polling activity in MAC protocols of wireless sensor network (WSN) significantly governs energy, delay, and lifetime of the network, and therefore, it is required to adjust the polling intervals in accordance with the incoming traffic patterns. In this paper, an asynchronous duty-cycle-based MAC protocol: adaptive and dynamic polling-MAC (ADP-MAC) has been developed. This paper took a novel...
Recently emerging wireless sensor technologies integrate different types of sensor nodes in a network for information collection. The heterogeneous Wireless Sensor Network (WSN) imposes complex design challenges as nodes in such a network often have different requirements in terms of latency and bandwidth. Therefore, the channel access for nodes needs to be managed ensuring differentiated quality...
A large number of WSN applications with bursty traffic have emerged in the recent past such as rare event detection and forest fire monitoring. Bursty traffic in Wireless Sensor Networks (WSNs) offers various challenges in terms of reliability and latency. Unlike periodic monitoring, energy consumption is far more challenging to deal with in WSN applications with bursty traffic due to long periods...
The tremendously increasing number of WSN applications calls for the efficient management of energy which is often achieved through developing the energy efficient MAC protocols. Polling based MAC protocols were introduced to achieve energy efficiency by making the nodes independently waking up and checking the channel activity. Dynamic polling is relatively a recent technique deployed in a number...
Delay is one of the most important parameters of interest while providing QOS guarantees for Wireless Sensor Networks (WSN). Various MAC layer protocols for WSN have been proposed for efficient management of delay. Analyzing single hop and end to end delay using queuing analysis can provide significant help in modeling various real time WSN applications. This paper parameterizes the cross-layer analysis...
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