Abstract
The structure of the wireless sensor network (WSN) for operational monitoring of soil moisture and temperature on the agricultural field with high accuracy is considered in the article. The evaluation of wireless sensor networks' technical capabilities for agricultural applications is given; the advantages and disadvantages of their use in the field conditions are noted, taking into account the influence of different factors on the quality of communication. To solve the problems of radio communication in the soil and deploying a sensor device completely below the ground surface, the prototype model of a sensor node with a retractable antenna has been developed. Sensor nodes were communicated via the ZigBee protocol and the integrated spatial attribute information was transmitted into the database.
Highlights
Modern remote sensing technologies, sensor technologies and IoT technologies will play a key role in various applications of the agricultural sector, but today there are real possibilities for remote monitoring of agricultural fields
A wireless sensor network (WSN) is a sensing system consisting of a group of spatiallydistributed sensors for automatic and wireless monitoring of a variety of soil conditions over an area of several square meters to several kilometers, which has the property of selforganization of many sensor nodes and actuators, interconnected via a radio channel
The WSN consists of the base station and the required number of sensor nodes installed across the fields using the “mesh” topology
Summary
Sensor technologies and IoT technologies will play a key role in various applications of the agricultural sector, but today there are real possibilities for remote monitoring of agricultural fields. Information and measuring systems (IMS), including wireless sensor networks (WSN), facilitate the monitoring of soil conditions with high accuracy and can efficiently detect early stages of adverse state at fields. For this reason, modern agriculture requires the use of “smart” sensors and mobile systems from planting to harvesting. A wireless sensor network (WSN) is a sensing system consisting of a group of spatiallydistributed sensors for automatic and wireless monitoring of a variety of soil conditions over an area of several square meters to several kilometers, which has the property of selforganization of many sensor nodes and actuators, interconnected via a radio channel. The WSN has a number of shortcomings, such as limited battery charge, low performance and relatively low flash data memory of sensor node controllers
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