Design of a Wireless Sensor Network for Optimal Deployment of Sensor Nodes in a Cocoa Crop

Keywords: Wireless sensor networks, factorial experiments, agronomic crop, XBee module, ZigBee wireless

Abstract

In this study, factorial experiments were conducted in two different scenarios to design a Wireless Sensor Network for monitoring a cocoa crop in a rural area in Colombia. Node sensors measured temperature, relative humidity, soil moisture, Ultra-Violet light, and visible light intensity. The factors considered in the experiments were distance between node sensors, height from the ground, and type of antenna; in turn, Received Signal Strength Indicator and data transfer time were the outputs. The wireless sensor network was deployed in the crop, covering approximately 3 % of the area and using 7 different nodes in a cluster tree topology. First, an open field scenario with line of sight was used to determine the appropriate height of the node sensors. Second, a scenario in the actual cocoa crop was utilized to find the appropriate distance between modules and type of antenna. We found, based on our calculations and experimental data, that a height of 1.25 m was required to avoid the Fresnel zone and improve the RSSI of the network. Furthermore, we determined that a distance below 35 m was needed to guarantee signal reception and avoid long data transfer times. The wire antenna exhibited a better performance. Finally, the proposed methodology and monitoring system can be used for agronomic applications in rural areas in Colombia to increase crop yield.

Author Biographies

Jose M. Celis-Peñaranda, Universidad Francisco de Paula Santander, Colombia

Electronics Engineer, Electricity and Electronics department, GIDET Universidad Francisco de Paula Santander, Cúcuta-Colombia, josemiguelcp@ufps.edu.co

Christian D. Escobar-Amado, Universidad Francisco de Paula Santander, Colombia

Electronics Engineer, Electricity and Electronics department, GIDET, Universidad Francisco de Paula Santander, Cúcuta-Colombia, christiandavidea@ufps.edu.co

Sergio B. Sepúlveda-Mora*, Universidad Francisco de Paula Santander, Colombia

MSc. of Science in Electrical and Computer Engineering, Electricity and Electronics department, GIDET, Universidad Francisco de Paula Santander, Cúcuta-Colombia, sergio.sepulveda@ufps.edu.co

Sergio A. Castro-Casadiego , Universidad Francisco de Paula Santander, Colombia

MSc. in Electronics Engineering, Electricity and Electronics department, GIDET, Universidad Francisco de Paula Santander, Cúcuta-Colombia, sergio.castroc@ufps.edu.co

Byron Medina-Delgado , Universidad Francisco de Paula Santander, Colombia

MSc. in Electronics Engineering, Electricity and Electronics department, GIDET, Universidad Francisco de Paula Santander, Cúcuta-Colombia, byronmedina@ufps.edu.co

Dinael Guevara-Ibarra, Universidad Francisco de Paula Santander, Colombia

PhD. in Engineering, Electricity and Electronics department, GIDET, Universidad Francisco de Paula Santander, Cúcuta-Colombia, dinaelgi@ufps.edu.co

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How to Cite
Celis-Peñaranda, J. M., Escobar-Amado, C. D., Sepúlveda-Mora, S. B., Castro-Casadiego , S. A., Medina-Delgado , B., & Guevara-Ibarra, D. (2020). Design of a Wireless Sensor Network for Optimal Deployment of Sensor Nodes in a Cocoa Crop. TecnoLógicas, 23(47), 121-136. https://doi.org/10.22430/22565337.1361

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Published
2020-01-30
Section
Research Papers