Computer Science

Computer Science ›› 2018, Vol. 45 ›› Issue (6): 96-99.doi: 10.11896/j.issn.1002-137X.2018.06.016

• Netword & Communication • Previous Articles     Next Articles

Dynamic Retransmission Algorithm inLow-power Wireless Sensor Networks

WU Wei-nan, LIU Jian-ming   

  1. School of Electronic Engineering & Automation,Guilin University of Electronic & Technology,Guilin,Guangxi 541004,China
  • Received:2017-04-18 Online:2018-06-15 Published:2018-07-24

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Abstract: The quality of channel communication is time-varying.In order to improve the reliability of data transmission,the retransmission mechanism with higher energy utilization should be introduced into low-power wireless sensor network.In low-power wireless sensor networks,the real-time data requirements are not high,but the overall energy is limited.Therefore,the timing and the validity of retransmission are particular important.On the basis of static queue transmission,this paper proposed a reliable and stable dynamic retransmission algorithm.The nodes which fail to send create a random number as a sequence added to the retransmission queue.The algorithm use the random transmission timing to retreat the harsh communication.The experimental results show that the dynamic retransmission algorithm improves the success rate of data transmission while reducing the energy consumption.

Key words: Dynamic retransmission, Low-power, WSN

CLC Number: 

  • TP393.06
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