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Received Signal Strength Indicator Measurements and Simulations for Radio Frequency Identification Tag Identification
José Lorenzo-López1, Leandro Juan-Llácer1
1Department of Information and Communications Technology, Universidad Politécnica de Cartagena, Antiguo Cuartel de Antiguones, 30202 Cartagena, Spain.
Sensors (Basel, Switzerland)
|September 19, 2025
Summary
Radio Frequency Identification (RFID) systems show promise for beekeeping. RFID tag placement near frame wires enhances signal coverage, aiding in identifying and locating queen bees within a hive.
Area of Science:
- Agricultural Technology
- Entomology
- Electromagnetics
Background:
- Modern beekeeping is integrating new technologies like Radio Frequency Identification (RFID) for improved hive management.
- RFID systems utilize UHF frequency band readers and miniaturized tags, enabling reading distances up to tens of centimeters.
Purpose of the Study:
- To analyze Radio Frequency Identification (RFID) signal propagation within a complete beehive environment.
- To evaluate the effectiveness of RFID for identifying and locating the queen bee.
Main Methods:
- Measurements of Received Signal Strength Indicator (RSSI) values were taken within a 10-frame beehive.
- Electromagnetic simulations were performed using CST Studio to model RFID signal propagation.
- The beehive structure, including beeswax frames and metallic wires, was considered in the analysis.
Main Results:
- RFID tags placed along the metallic wires of the frames exhibited greater signal coverage due to antenna-wire coupling.
- Simulation-based coverage analysis was found to be more conservative than measurement-based analysis.
- Frame selectivity was observed, with significant coverage concentrated within the three frames nearest the reader antenna.
Conclusions:
- RFID technology demonstrates potential for practical application in beekeeping, specifically for queen bee identification and location.
- Optimized tag placement on frame wires can improve RFID system performance within beehives.
- Understanding RFID propagation characteristics is crucial for successful implementation in apiculture.
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