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Electronics 2013, 2(4), 387-399; doi:10.3390/electronics2040387

An Energy Conservative Wireless Sensor Networks Approach for Precision Agriculture

College of Information Science and Technology, Hainan 570228, China
Author to whom correspondence should be addressed.
Received: 30 September 2013 / Revised: 27 November 2013 / Accepted: 2 December 2013 / Published: 11 December 2013
(This article belongs to the Special Issue Fault-Tolerant Routing)
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Reducing energy consumption of sensor nodes to prolong the lifetime of finite-capacity batteries and how to enhance the fault-tolerant ability of networks are the major challenges in design of Wireless Sensor Networks (WSNs). In this paper, we present an energy-efficient system of WSNs for black pepper monitoring in tropical areas. At first, we optimized the base station antenna height in order to facilitate reliable communication, after which the Energy-efficient Sensor Protocol for Information via Negotiation (ESPIN) routing protocol was utilized to solve the energy saving challenge. We conducted radio propagation experiments in actual black pepper fields. The practical test results illustrate that the ESPIN protocol reduces redundant data transmission and whole energy consumption of network, and enhances the success rate of data transmission compared with traditional Sensor Protocol for Information via Negotiation (SPIN) protocol. To further optimize topology for improving the network lifetime, we designed a symmetrical double-chain (SDC) topology which is suitable to be deployed in farmland and compared the lifetime with traditional tree topology. Experiment results indicate SDC topology has a longer network lifetime than traditional tree topology. The system we designed will greatly help farmers to make more informed decisions on the efficient use of resources and hence improve black pepper productivity. View Full-Text
Keywords: WSN; energy-efficient; fault-tolerant route; antenna height; precision agriculture WSN; energy-efficient; fault-tolerant route; antenna height; precision agriculture

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Li, J.; Shen, C. An Energy Conservative Wireless Sensor Networks Approach for Precision Agriculture. Electronics 2013, 2, 387-399.

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