基于机器学习方法的无线传感网络时钟同步算法Machine learning method based time synchronization algorithm for wireless sensor network
刘学超,郭改枝,潘亮
摘要(Abstract):
提出一种无线传感网络同步的方法,结合发送者-接收者同步(SRS)和接收者-接收者同步(RRS)两种方法,使得位于特定区域的传感器节点通过监听一对超级传感器节点交换时钟消息,借助最小二乘法精确估计出时钟偏差以及频率偏差进行补偿,实现节点间同步。该时钟同步方案的设计与其他已提出的同步方案相比,显著降低了整个网络的能量消耗而不引起任何同步精度的损失。
关键词(KeyWords): 无线传感网络;最小二乘法;时钟同步;时钟偏差;频率偏差;均方误差
基金项目(Foundation): 内蒙古自然科学基金(2015MS0632);; 内蒙古师范大学项目:基于ZigBee的室内无线定位技术研究及实现(2014ZRYB06);; 内蒙古高校科学研究项目:无线传感器网络定位技术关键问题研究(NJZY17042)~~
作者(Author): 刘学超,郭改枝,潘亮
DOI: 10.16652/j.issn.1004-373x.2018.05.015
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