Random early detection gateways for congestion avoidance
IEEE/ACM Transactions on Networking (TON)
Wireless sensor networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
CODA: congestion detection and avoidance in sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
A scalable approach for reliable downstream data delivery in wireless sensor networks
Proceedings of the 5th ACM international symposium on Mobile ad hoc networking and computing
A survey on wireless multimedia sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
IEEE Communications Magazine
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In Wireless sensor network, sensor nodes have battery-constrained devices and most of the energy is spent on communication with other nodes. For its traffic feature as burst traffic type toward sink node, it has high probability to network congestion. Network congestion causes packet drop and retransmission of dropped packets draws energy consumption. In particular, the loss of packets that is from sensor node far away from sink node requires additional energy consumption. In this paper, we propose a hop-count based traffic control mechanism that determines packet transfer by considering priority of packet and congestion level as well as hop count. Analysis of proposed mechanism by simulation demonstrated that it improved energy efficiency.