A survey on wireless sensor network infrastructure for agriculture

被引：86

作者：

Yu, Xiaoqing ^{[1
]}

Wu, Pute ^{[1
,2
,3
]}

Han, Wenting ^{[1
,2
,3
]}

Zhang, Zenglin ^{[1
,3
]}

机构：

[1] NW A&F Univ, Yangling 712100, Shaanxi, Peoples R China

[2] Chinese Acad Sci, Inst Soil & Water Conservat, Natl Engn Res Ctr Water Saving Irrigat Yangling, Yangling 712100, Shaanxi, Peoples R China

[3] Res Inst Water Saving Agr Arid Reg China, Yangling 712100, Shaanxi, Peoples R China

来源：

COMPUTER STANDARDS & INTERFACES | 2013年 / 35卷 / 01期

关键词：

Hybrid wireless sensor network; Information collection; Agriculture; Wireless underground sensor network; Monitoring;

D O I：

10.1016/j.csi.2012.05.001

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

The hybrid wireless sensor network is a promising application of wireless sensor networking techniques. The main difference between a hybrid WSN and a terrestrial wireless sensor network is the wireless underground sensor network, which communicates in the soil. In this paper, a hybrid wireless sensor network architecture is introduced. The framework to deploy and operate a hybrid WSN is developed. Experiments were conducted using a soil that was 50% sand, 35% silt, and 15% clay; it had a bulk density of 1.5 g/cm(3) and a specific density of 2.6 cm(-3). The experiment was conducted for several soil moistures (5, 10, 15, 20 and 25%) and three signal frequencies (433, 868 and 915 MHz). The results show that the radio signal path loss is smallest for low frequency signals and low moisture soils. Furthermore, the node deployment depth affected signal attenuation for the 433 MHz signal. The best node deployment depth for effective transmission in a wireless underground sensor network was determined. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：59 / 64

页数：6

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