COVERAGE STRATEGY FOR HETEROGENEOUS NODES IN WIRELESS SENSOR NETWORK BASED ON TEMPORAL VARIABILITY OF FARMLAND

文献类型： 外文期刊

第一作者： Wu, Huarui

作者： Wu, Huarui;Zhu, Li;Wu, Huarui;Zhu, Li;Wu, Huarui;Zhu, Li

作者机构：

关键词： coverage rate;heterogeneous node;network energy consumption;temporal variability of farmland;Wireless Sensor Network (WSN)

期刊名称：TEHNICKI VJESNIK-TECHNICAL GAZETTE （ 影响因子：0.783； 五年影响因子：0.786 ）

ISSN： 1330-3651

年卷期： 2017 年 24 卷 3 期

页码：

收录情况： SCI

摘要： Given temporal variability of farmland, the coverage rate of wireless sensor network (WSN) is usually low. There may arise the problems of blind spot area and congestion of hot spots. We propose a coverage strategy for heterogeneous nodes in WSN based on temporal variability of farmland, which predicts the key nodes using key node prediction model according to temporal variability of farmland environment. Through introduction of renewable energy nodes, the positions of heterogeneous nodes in the network can be determined. The task is re-allocated to the heterogeneous nodes depending on the residual energy of nodes, and the state of nodes in the network is adjusted dynamically. Simulation shows that CSHN can effectively reduce the node death rate and network energy consumption, while prolonging the survival of network and equalizing coverage and network energy consumption.

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