Abstract
State-of-the-Art Congestion Control Protocols in WSN: A Survey
Highlights
Wireless sensor network (WSN) is a collection of nodes capable of sensing, processing and communication in an autonomous manner
Wireless Sensor Networks (WSNs) are resourceconstrained networks that suffer from various challenges
We presented a detailed and comprehensive analysis of the latest congestion control protocols in WSNs
Summary
Wireless sensor network (WSN) is a collection of nodes capable of sensing, processing and communication in an autonomous manner These miniature sensor nodes are typically deployed in hazardous and human-inaccessible terrains to sense and monitor various applications [1]. Congestion arises when the number of transmitting packets exceeds the packet handling capacity of a particular network [5,6] This significantly decreases the performance of the network, which results in higher data losses at the node level. In a traffic-based congestion control mechanism, the data rate of incoming flows from the downstream nodes is adjusted against the forwarding capacity of the upstream node. While resource-based congestion control protocols achieve a much higher data rate without compromising the network lifetime, as discussed in detail .
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