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In this paper, we propose a time division method to solve the congestion control problem for an event-driven sensor network. In this method, a node adjusts time (therefore bandwidth) assigned to each upstream node by a dynamic TDMA approach to efficiently use resources available to the system and avoid the situation in which a node cannot send event information to the BS on time through the insufficiently...
The set of different sensor nodes randomly deployed in sensor area to capture the environmental changes. Sensor nodes are working with specific routing and MAC Protocols in the network. Performance of the network is depends upon the network traffic and congestion in the network. Throughput, latency, loss ratio, delivery ratio, energy consumption, reliability are the QoS of the sensor network that...
Wireless sensor networks are an emerging technology that is designed to support all types of applications. The energy constrained sensor nodes in sensor networks operate on limited batteries, so it is a very important issue to reduce energy. IEEE 802.15.4 is the best choice for the implementation of wireless sensor network. But, in high load conditions due to congestion, energy consumption is increased...
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