Development of wireless sensor network of field information based on ZigBee and PDA

被引：0
|
作者：
Deng X. [1 ]
Zheng L. [1 ]
Che Y. [1 ]
Li M. [1 ]
机构：
[1] Key Laboratory of Modern Precision Agriculture System Integration Research, China Agricultural University
来源：
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | 2010年 / 26卷 / SUPPL. 2期
关键词：
Data acquisition; Field information; PDA; Precision engineering; Wireless sensors networks; ZigBee;
D O I：
10.3969/j.issn.1002-6819.2010.z2.020
中图分类号：
学科分类号：
摘要：
In order to achieve real-time acquisition, processing and visualization for field information, and shorten the time difference between data acquisition and processing, a wireless sensor network based on ZigBee and PDA was developed. The system consisted of a PDA with a ZigBee coordinator and router nodes with sensors. Via the wireless sensors network, the field information could be dynamically accessed in real time by PDA and the power supply for sensors could be controlled to save power consumption. Here the field information refers to soil moisture, soil temperature, soil electrical conductivity, air temperature and humidity. Soil temperature sensor and air temperature and humidity sensor were digital sensors, while soil moisture sensor and soil electrical conductivity sensor were analog sensors. Node communication test for different distances showed that under normal operating conditions, the packet loss rate of 40 m as only 0.092, met the requirements. In the hop test, the information could be sent from the farthest node to PDA through the self-organizing network accurately. It demonstrates that the network works stably.
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页码：103 / 108
页数：5
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