Abstract
Wireless Sensor Technologies (WST) are entering a new phase. Recent advancements provide enormous possibilities for study and development. This is the result of the lowering costs of ownership, the creation of ever compact sensing devices and the advances in radio frequency technology and digital circuitry. The objective of the current article is to examine the technical and scientific state of the art of wireless sensor technologies and standards for wireless communications in the AgriFood industry. WST in agricultural and food business and to categorize them in suitable categories. These technologies are extremely promising in many areas such as environmental monitoring, precision agriculture, cold chain control or traceability. The article focuses on WSN (Wireless Sensor Networks) and RFID (Radio Frequency Identification), covering the various systems available, current advancements and examples of applications, including ZigBee based WSN and passive, semi-passive and active RFID. Future developments of wireless communications in agricultural and food sector are also addressed.
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