Optimizing Retransmission Threshold in Wireless Sensor Networks
AbstractThe retransmission threshold in wireless sensor networks is critical to the latency of data delivery in the networks. However, existing works on data transmission in sensor networks did not consider the optimization of the retransmission threshold, and they simply set the same retransmission threshold for all sensor nodes in advance. The method did not take link quality and delay requirement into account, which decreases the probability of a packet passing its delivery path within a given deadline. This paper investigates the problem of finding optimal retransmission thresholds for relay nodes along a delivery path in a sensor network. The object of optimizing retransmission thresholds is to maximize the summation of the probability of the packet being successfully delivered to the next relay node or destination node in time. A dynamic programming-based distributed algorithm for finding optimal retransmission thresholds for relay nodes along a delivery path in the sensor network is proposed. The time complexity is
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Bi, R.; Li, Y.; Tan, G.; Sun, L. Optimizing Retransmission Threshold in Wireless Sensor Networks. Sensors 2016, 16, 665.
Bi R, Li Y, Tan G, Sun L. Optimizing Retransmission Threshold in Wireless Sensor Networks. Sensors. 2016; 16(5):665.Chicago/Turabian Style
Bi, Ran; Li, Yingshu; Tan, Guozhen; Sun, Liang. 2016. "Optimizing Retransmission Threshold in Wireless Sensor Networks." Sensors 16, no. 5: 665.
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