Efficient data collection for smart grid using wireless sensor networks

Kwangsoo Kim, Hyochan Bang, Seong-il Jin
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引用次数: 8

Abstract

Data collection is an essential operation in smart grids using wireless sensor networks. In a smart grid, a smart meter generates power usage and a data collection unit periodically collects it from every smart meter. This paper focuses on a central data collection problem of how to quickly collect every power usage from every smart meter without collisions. To solve the problem, we divide a tree that a sensor network constructs into several branches. Each branch consists of all meters included in a path from a data collection unit to a leaf meter, and a conflict-free query schedule is generated based on branches. The novel method avoids collisions between a query and a query response as well as between query responses. The experimental results show that this method can achieve both collision avoidance and fast query processing at the same time.
利用无线传感器网络实现智能电网的高效数据采集
在使用无线传感器网络的智能电网中,数据收集是必不可少的操作。在智能电网中,智能电表产生用电量,数据采集单元定期从每个智能电表采集用电量。本文重点研究了如何在不发生冲突的情况下,快速收集每个智能电表的每一次用电量的中心数据采集问题。为了解决这个问题,我们将传感器网络构造的树分成几个分支。每个分支由从数据收集单元到叶表的路径中包含的所有表组成,并且基于分支生成无冲突的查询计划。该方法避免了查询与查询响应之间以及查询响应之间的冲突。实验结果表明,该方法可以同时实现避免碰撞和快速查询处理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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