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An Energy Awareness Congestion Control Scheme in Wireless Sensor Networks
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 Title & Authors
An Energy Awareness Congestion Control Scheme in Wireless Sensor Networks
Kim, Mi-Kyoung; Park, Jun-Ho; Seong, Dong-Ook; Kwak, Dong-Won; Yoo, Jae-Soo;
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For energy-efficiency in Wireless Sensor Networks (WSNs), when a sensor node detects events, the sensing period for collecting the detailed information is likely to be short. The lifetime of WSNs decreases because communication modules are used excessively on a specific sensor node. To solve this problem, the TARP decentralized network packets to neighbor nodes. It considered the average data transmission rate as well as the data distribution. However, since the existing scheme did not consider the energy consumption of a node in WSNs, its network lifetime is reduced. In this paper, we propose an energy awareness congestion control scheme based on genetic algorithms in WSNs. The proposed scheme considers the remaining amount of energy and the transmission rate on a single node in fitness evaluation. Since the proposed scheme performs an efficient congestion control, it extends the network lifetime. In order to show the superiority of the proposed scheme, we compare it with the existing scheme through performance evaluation. It is shown that the proposed scheme enhances the data fairness and improves the network lifetime by about 27% on average over the existing scheme.
Wireless Sensor Networks (WSNs);Genetic Algorithm;Congestion Control;
 Cited by
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