• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology

Article

A Spurious Free Dual Band Microstrip Patch Antenna for Radio Frequency Energy Harvesting
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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v15i7.2025

Year: 2022, Volume: 15, Issue: 7, Pages: 266-275

Original Article

A Spurious Free Dual Band Microstrip Patch Antenna for Radio Frequency Energy Harvesting

Pradeep Chindhi1*, H P Rajani2, Geeta Kalkhambkar3

1Assistant Professor, Department of Electrical Engineering, Sant Gajanan Maharaj College of Engineering, Maharashtra, Mahagaon, India
2Professor, Department of Electronics and Communication Engineering, JCE, Visvesvaraya Technological University, Belagavi, Karnataka, India
3Assistant Professor, Department of Electronics and Telecommunication Engineering, Sant Gajanan Maharaj College of Engineering, Maharashtra, Mahagaon, India

*Corresponding Author
Email: [email protected]

Received Date:31 October 2021, Accepted Date:20 January 2022, Published Date:22 February 2022

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: To design high gain square slots loaded dual-band rectangular microstrip patch antenna having harmonic suppression capability and rectifier circuit (Rectenna (Antenna + Rectifier) for Radio Frequency Energy Harvesting (RFEH). Methods: To achieve the objectives, the square slots are loaded on the four corners of the rectangular microstrip patch in order to enhance the current distribution which resulted in improved impedance matching at desired frequencies with dual isolated bands. The proposed antenna is simulated in Computer Simulation Technology (CST) Studio Suite Three- Dimensional Electromagnetic Simulation (3DEM) software. A rectifier with an LC impedance matching network is designed, simulated, and optimized in Agilent Advanced Design System (ADS) software. Findings: The overall size of the proposed antenna operating at 2.49 GHz and 3.73 GHz (WiMax) is 57482.5 mm3. The proposed antenna is assessed in terms of its simulated performance parameters: Return loss (S1,1), Impedance (Z1,1), Voltage Standing Wave Ratio (VSWR), Gain, Directivity, and Efficiency. The proposed antenna exhibits improved performance over the conventional rectangular patch antenna, in terms of (S1,1), Impedance (Z1,1) and Gain. The results obtained from the simulation indicate -35.47 dB and -37.42 dB of S1,1 at 2.49 GHz and 3.73 GHz respectively with the Gain of 4.74 dBi and 3.62 dBi respectively. Further, a rectifier circuit is proposed at 2.45 GHz. The complete rectenna system is simulated over a range of input power levels (1dBm-10dBm) for 4.7 kOhm load resistance. The simulated rectenna result presents the maximum output voltage of 3.34 V. Novelty and Applications: The proposed rectenna design with its harmonic suppression capability can be used for RFEH to drive the Internet of Things-Sensor Network (IoT-SN) and Wireless Sensor Network (WSN). The novelty of the proposed work is harmonic suppression capability. harmonic suppression capability is achieved by inserting the square slots at the four corners of the conventional square patch.

Keywords: Radio Frequency; Energy Harvesting; Efficiency; Gain; Rectifier; Schottky diode

References

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Copyright

© 2022 Chindhi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Published By Indian Society for Education and Environment (iSee)

  • 23 February 2022

Year: 2022, Volume: 15, Issue: 7

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