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Congestion in Wireless Sensor Networks is one of the primary causes of performance degradation due to severe packet loss leading to excessive energy consumption. Normally, the nodes closer to the sink are overburdened with huge traffic load as the data from the entire region are forwarded through them to reach the sink. As a result, their energy gets exhausted quickly and the network gets fragmented...
Load imbalance among hot spot nodes causes network congestion and earliest energy depletion of nodes in wireless sensor networks. This increases the probability of disconnecting or partitioning the network and premature death of entire network. The inefficiency in the WSN is more attributed to load imbalance or unbiased traffic. In this paper, an optimized congestion aware (OCAEE-LB) energy efficient...
Traffic in wireless sensor networks (WSN) exhibits a many-to-one pattern in which multiple source nodes send sensing data to a single sink node. Since bandwidth, processor and memory are highly constrained in WSN, packet loss is common when a great deal of traffic rushes to sink. The system must provide differentiated service to individual traffic classes. In this paper, a pre-emptive multiple queue...
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