机械振动WSN大量数据自适应传输控制方法

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振动与冲击 ›› 2023, Vol. 42 ›› Issue (4) : 263-269.

论文

舒帅，汤宝平，黄艺，赵春华，付豪

作者信息 +

An adaptive transmission control method of large-scale data of mechanical vibration WSN

SHU Shuai, TANG Baoping, HUANG Yi, ZHAO Chunhua, FU Hao

Author information +

文章历史 +

摘要

针对机械振动无线传感器网络（wireless sensor networks, WSN）在传输大量数据时，每个数据包均采用确认方式传输导致高传输能耗的问题，提出了一种大量数据自适应传输控制方法。首先，通过数据分组检测机制减少传输确认帧带来的额外能耗，并通过实验确定最佳分组数量，避免浪费无线传感器网络节点有限的存储资源；其次，利用帧控制域特定标志位实现丢包状态通知，在不引入额外数据帧的情况下告知发送节点丢包状态，避免反馈信息包下发冲突，并优化反馈信息包的退避指数，降低丢包节点因反馈信息包下发延迟导致的侦听能耗；最后，通过最小二乘法拟合丢包率与链路质量指示的关系，节点根据当前传输链路质量自适应选择最佳传输模式。实验结果表明所提传输方法可有效降低数据传输能耗并提升传输速率。

Abstract

Aiming at the problem of high transmission energy consumption when each data packet is transmitted in Acknowledgement mode when the mechanical vibration wireless sensor network transmits a large amount of data, Adaptive Transmission Control Method of Large-scale Data is proposed. First, using the grouped data packet detection mechanism to reduce the additional energy consumption caused by the transmission of acknowledgement frames, the determining optimal number of packets through experiments to avoid wasting the limited storage resources of Wireless Sensor Networks nodes; Secondly, using the specific flag bit of the frame control domain to inform the sending node of the packet loss status without additional data frames, which avoid feedback information packet delivery conflicts, then optimizing the feedback information packet back-off index to reduce the listening energy consumption caused by the delay of feedback information packet delivery; Finally, fitting the relationship between packet loss rate and link quality indicator by least square method for node’s adaptively selection of the best transmission mode. The experimental results show that the proposed method can effectively reduce the energy consumption of data transmission and increase the transmission rate.

导出引用

舒帅，汤宝平，黄艺，赵春华，付豪. 机械振动WSN大量数据自适应传输控制方法[J]. 振动与冲击, 2023, 42(4): 263-269

SHU Shuai, TANG Baoping, HUANG Yi, ZHAO Chunhua, FU Hao. An adaptive transmission control method of large-scale data of mechanical vibration WSN[J]. Journal of Vibration and Shock, 2023, 42(4): 263-269

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