Dynamic Slot Allocation for Improving Traffic in Wireless Sensor Network: A Survey
Journal: International Research Journal of Advanced Engineering and Science (Vol.2, No. 4)Publication Date: 2017-11-20
Authors : Arti Kamal Prabhat Patel;
Page : 26-30
Keywords : CSMA; Dyanamic slot allocation; MAC; Queue length; TDMA; Wireless sensor network.;
Abstract
A wireless sensor network (WSN) contains of numerous small sized sensor nodes that have computation power. Wireless sensor networks have recently received increased attention for a broad array of applications such as surveillance, environment monitoring, medical diagnostics, and industrial control.In WSNs serious incident data collected by the sensor nodes necessity to be reliably delivered to the sink for successful monitoring of an environment. Because of more energy consumption the lifetime of the wireless sensor network reduces. If the channel utilization is more than throughput of the wireless sensor network reduces. Wireless sensor networks medium access control (MAC) protocols for energy efficiency comes at the cost of extra packet delay and limited throughput, since a sender is allowed to transmit in the short active periods, only. However, typical applications, in addition to low rate periodic traffic, also present burst traffic triggered upon event detections. Thus, there is an emerging need for a MAC protocol that adapts its offered bandwidth to a dynamic traffic load, i.e., maintain low duty-cycle in light traffic condition and schedule more transmission opportunities when traffic increases so that the energy is only used for carrying the application traffic whenever needed. In this paper we provide the survey of dynamic slot allocation in wireless sensor network.
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Last modified: 2017-11-20 17:27:57