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Design and Analysis of Miniaturized Asymmetric CPW-Fed 5.8 GHz Antenna for RFID Applications

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Abstract

In this work, a miniaturized half-side dumbbell-shaped antenna with an asymmetric co-planar waveguide (CPW)—feed is designed and analyzed for the application of radio-frequency identification. This antenna was designed at 5.8 GHz band and operated across the frequency range from 5695 to 5945 MHz (for \({\text {S}}_{11}\) ≤ − 10 dB), providing the measured impedance bandwidth of 250 MHz. This is achieved within the antenna dimensions of 11.5 × 7 × 1.6 mm3. The simulated return loss characteristics of the antenna were in good agreement with the measured characteristics. The proposed antenna was designed with a miniaturization of about 43.7% compared to a symmetrical CPW-feed antenna and exhibited the same radiation characteristics.

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Acknowledgements

The authors would like to express their acknowledgment to the National Institute of Technology Puducherry, Karaikal, for providing the necessary resources and support for this research.

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  1. Department of ECE, National Institute of Technology Puducherry, Karaikal, Puducherry UT, 609609, India

    Logeswaran Jeyagobi & Boopathi Rani Rajasekar

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  1. Logeswaran Jeyagobi
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  2. Boopathi Rani Rajasekar
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Correspondence to Boopathi Rani Rajasekar.

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Logeswaran, J., Boopathi Rani, R. Design and Analysis of Miniaturized Asymmetric CPW-Fed 5.8 GHz Antenna for RFID Applications. Natl. Acad. Sci. Lett. (2024). https://doi.org/10.1007/s40009-024-01397-1

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  • DOI: https://doi.org/10.1007/s40009-024-01397-1

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