CRAP: Cluster Based Congestion Control with Rate Adjustment based on Priority in Wireless Sensor Networks

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Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Mobility
Format: PDF
Congestion in Wireless Sensor Networks (WSN) get worse when there are multiple and random flows of data in which some have superior significance over the others requiring fidelity in terms of packet delivery, QoS, energy efficiency and throughput. In node-level, congestion leads to impairment of packets that obviously reduces the QoS. In this paper, the authors present a cluster based congestion Control with Rate Adjustment-based on Priority (CRAP) protocol, which self-organizes the sensor nodes into clusters. These clusters monitor congestion in a proactive manner within its confined range which exchanges information among them and adjusts the traffic rate when one cluster has high priority flow over the other.
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