基于Markov模型低时延数据融合树算法Low-delay data aggregation tree algorithm based on Markov model
葛磊,何洪辉,胡杰
摘要(Abstract):
数据融合技术可节省无线传感网络的资源,但也会增加额外的时延。为此,针对数据传输必须在指定时延约束下完成的特殊场景,提出基于Markov模型低时延数据融合树算法(MLDGT)。给出在时延约束下的构建数据融合树问题的形式化表述,此问题已证实为NP问题。引用Markov近似模型寻找次优解,进而获取低时延的数据融合树。通过仿真和比较分析MLDGT算法的有效性。实验结果表明,MLDGT算法能够降低数据融合时延。
关键词(KeyWords): 无线传感网络;时延约束;数据融合;融合时延;Markov模型;能耗
基金项目(Foundation): 国家自然科学基金项目(51406140)~~
作者(Author): 葛磊,何洪辉,胡杰
DOI: 10.16652/j.issn.1004-373x.2018.21.020
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