RFID-based Soil Moisture Sensor for Smart Agriculture

In this work, we present an RFID-based indirect soil moisture sensor based on the application of Machine Learning. More specifically, we suggest an unsupervised approach that does not require information about the real height and moisture levels. This approach can be of great interest in practical a...

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Detalles Bibliográficos
Autores: Martínez Benelmeki, Nedal|||0009-0003-1955-5006, Diaz Machado, Elvis|||0000-0002-6583-8547, del Rio Toledano, Javier, Morell, Antoni|||0000-0003-2249-8594, Lopez Vicario, Jose|||0000-0002-3574-4697
Tipo de recurso: capítulo de libro
Fecha de publicación:2025
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:dnet:uabarcelona_::dd9550e0307706d5d70371939ab03e83
Acceso en línea:https://ddd.uab.cat/record/328259
Access Level:acceso abierto
Palabra clave:Radio frequency identification (RFID)
Agriculture 4.0
Moisture Sensing
RF
Bayesian Machine Learning
Descripción
Sumario:In this work, we present an RFID-based indirect soil moisture sensor based on the application of Machine Learning. More specifically, we suggest an unsupervised approach that does not require information about the real height and moisture levels. This approach can be of great interest in practical agricultural deployments, where the careful deployment of tags at specific depths within the soil is challenging. It allows an estimation of the posterior probability of moisture, based on the available Received Signal Strength Indicator (RSSI) and phase. The suggested method enables the RFID system to operate as a sensor by probabilistically quantifying measurement uncertainty, which is a key distinction from existing ethodologies. In this paper, we focus on two differentiated moisture cases to show the validity of our approach. Future research will extend the proposed methodology to a wider set of moisture levels.