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October 15, 2025International Journal of Research and Innovation in Applied ScienceOpen Access

Design and Optimisation of a 2.4 GHz Radio-Frequency Energy Harvesting System for Low-Power Internet of Things (IoT) Applications

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Authors

JAJohn Nyamekye AnsahJAJohn Kojo AnnanSAShiphrah Ohene Adu

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Overview

This system demonstrates high power conversion efficiency and antenna gain for low-power IoT devices, suggesting practical deployment potential.

Key Points

  • The RF energy harvesting system achieved a peak power conversion efficiency of 89.913%.
  • The antenna design provided a high gain of 19.29 dBi with a narrow beamwidth of 19.4°.
  • Usable DC output voltages ranged from 0.456 V to 4.144 V under low input powers from -20 dBm to 0 dBm.
  • The system supports sustainable, battery-less deployments for large-scale IoT networks.

Cite This Study

Ansah et al. (2025) studied this question.

synapsesocial.com/papers/68efa18f9d05deea71d13e41https://doi.org/10.51584/ijrias.2025.100900033
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Harmonic-Recycling Passive RF Energy Harvester with Integrated Power Management2025
  2. 2Miniaturized EBG Antenna for Efficient 5.8 GHz RF Energy Harvesting in Self-Powered IoT and Medical Sensors2025
  3. 3Development an AI-Optimized RF Energy Harvesting for Sustainable IoT Networks: A Machine Learning Approach2025
  4. 4Flexible Receiver Antenna Prepared Based on Conformal Printing and Its Wearable System.2025
  5. 5Experimental validation of a dual-band printed antenna array operating at 2.45/5.8 GHz with a high efficiency for wireless power transmission applications2025