• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology

Article

Corner Defected Multi-Resonance Ultra-Wideband Rectangular Patch Antenna
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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v15i4.1800

Year: 2022, Volume: 15, Issue: 4, Pages: 175-183

Original Article

Corner Defected Multi-Resonance Ultra-Wideband Rectangular Patch Antenna

Anjaneyulu Katuru1*, Srinivas Raja Banda2, Y Venkata Narayana3, Sumalatha Kadire4

1Professor, Department of ECE, Narasaraopeta Engineering College, Narasaraopet, A.P, India
2Professor, Department of ECE, Godavari Inst. Of Eng. & Tech, Rajahmundry, A.P, India
3Professor, Department of ECE, Tirumala Engineering College, Jonnalagadda, A.P, India
4Associate Professor, Department of ECE, Malla Reddy Engineering College for women, Telangana, India

*Corresponding Author
Email: [email protected]

Received Date:26 September 2021, Accepted Date:19 January 2022, Published Date:05 February 2022

Creative Commons License

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

Abstract

Objectives: The main objective of this article is to present a novel corner defected ultra wideband (UWB-3.1 to 10.6 GHz) rectangular patch with a partial ground plane to enhance the bandwidth with multi-resonance characteristics. By defecting the corners, the original rectangle patch will be converted into defected shape of proposed one to satisfy the objective. Methods: A FR-4 substrate with height (h) of 1.6 mm, dielectric constant (e r) of 4.3 and the loss tangent of 0.025 was used to develop the required antenna. The antenna was excited by a 50 Ohm microstrip line. This antenna was designed, simulated and analyzed by using MS–CST (Microwave Studio – Computer Simulation Technology) to attain the outcomes such as return loss (S11< -10 dB), voltage standing wave ratio (VSWR < 2), improved gain, Omni-directional radiation patterns, and enhanced bandwidth. Findings: It exhibits a fractional bandwidth (FBW) of 152.9 % between 2 GHz and 15 GHz. The antenna resonates at multiple frequencies owing to truncation of corners and produces resonant frequencies of 3.87 GHz and 11.36 GHz with the corresponding return losses of -26.03 dB and -34.87 dB respectively in the simulation point of view. The antenna was fabricated and tested. The measured and simulated results of the desired antenna were compared, and they show good agreement. Applications: The proposed antenna is suitable for UWB, WiMAX (Worldwide Interoperability for Microwave Access), C and X – band communications.

Keywords: Ultrawideband; Rectangular patch; Bandwidth; Return loss; VSWR; Gain

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Copyright

© 2022 Katuru 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)

  • 05 February 2022

Year: 2022, Volume: 15, Issue: 4

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