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A compact multiband frequency reconfigurable antenna integrated with sextuple band artificial magnetic conductor for heterogeneous wireless applications

  • Vellaichamy Rajavel ORCID logo EMAIL logo and Dibyendu Ghoshal
Published/Copyright: January 10, 2025
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Frequenz
From the journal Frequenz Volume 79 Issue 3-4

Abstract

As wireless communication continues to grow, reconfigurable antenna technologies have emerged as an optimal choice for multiband antennas. This study incorporates a 4 × 4 Artificial Magnetic Conductor (AMC) surface into a compact multiband frequency-reconfigurable antenna for diverse wireless applications. The antenna featured interconnected octagonal and rectangular patch slots in a radiating element with a defective ground structure. The antenna uses two-pin diodes to switch between four distinct working modes that produce dual wideband, triple-band, and quad-band responses. The AMC unit cell exhibits sextuple-band behavior at 2.5 GHz, 5 GHz, 6.5 GHz, 8.7 GHz, 10.5 GHz, and 11.4 GHz, with Double Negative material properties. The integrated antenna with dimension 50 × 50 × 10.2 mm3 achieves an average gain enhancement of 3.29 dB across its four switching states, with a peak Front-to-Back Ratio (FBR) reaching 31.23 dB, a notable radiation efficiency of 87 % with an average back lobe gain reduction of 13.75 dB. The Specific Absorption Rate (SAR) reached a minimum of 0.0594 W/kg with an overall average reduction of 93.25 %. The antenna was tested in an anechoic chamber using a vector network analyzer, and the results matched the simulations. Ultimately, the antenna design offers a compact, low-profile configuration that is ideal for versatile wireless applications with multiple bands and modes.

Keywords: frequency reconfiguration; multiband antenna; artificial magnetic conductor; wireless applications; specific absorption rate
Corresponding author: Vellaichamy Rajavel, Department of ECE, National Institute of Technology Agartala, Tripura, India, E-mail:

Acknowledgments

We would like to extend our sincere appreciation to the Microwave and Measurement Laboratory at the Department of Electronics and Communication Engineering, National Institute of Technology, Silchar, for their invaluable support and resources, which greatly contributed to the success of this research. Also, we express our gratitude to Mr. Susovan Ghosh, Technical Assistant at the National Institute of Technology Agartala, for his valuable assistance in attaching the antenna to the AMC surface and SMA connector.

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission. Author 1 contributed to methodology development, implementation, simulation, and manuscript writing. Author 2 contributed to conceptualization, supervision, and reviewing and editing the manuscript draft.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interest: The authors state no conflict of interest.

  6. Research funding: None declared.

  7. Data availability: Not applicable.

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Received: 2024-06-15
Accepted: 2024-12-09
Published Online: 2025-01-10
Published in Print: 2025-04-28

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. A wideband tunable quadrature coupler with flat coupling
  3. Small size dual-band coupled-line coupler for WiMAX applications
  4. A flexible wideband wearable CPW antenna for WBAN application
  5. A dual-band dual-mode customer premises equipment antenna
  6. A compact multiband frequency reconfigurable antenna integrated with sextuple band artificial magnetic conductor for heterogeneous wireless applications
  7. A wideband reconfigurable filtering phase shifter based on Stub-loaded multimode resonators
  8. Balanced tri- and quad-band BPFs based on SIR with improved passbands selectivity
  9. A metasurface with three different configurations for absorption, transmission or reflection of incident electromagnetic waves
  10. Experimental study on thermal cycling of nano-silver and nano-silver coated tin flip solder joints
https://doi.org/10.1515/freq-2024-0193
Keywords for this article
frequency reconfiguration; multiband antenna; artificial magnetic conductor; wireless applications; specific absorption rate

Articles in the same Issue

  1. Frontmatter
  2. A wideband tunable quadrature coupler with flat coupling
  3. Small size dual-band coupled-line coupler for WiMAX applications
  4. A flexible wideband wearable CPW antenna for WBAN application
  5. A dual-band dual-mode customer premises equipment antenna
  6. A compact multiband frequency reconfigurable antenna integrated with sextuple band artificial magnetic conductor for heterogeneous wireless applications
  7. A wideband reconfigurable filtering phase shifter based on Stub-loaded multimode resonators
  8. Balanced tri- and quad-band BPFs based on SIR with improved passbands selectivity
  9. A metasurface with three different configurations for absorption, transmission or reflection of incident electromagnetic waves
  10. Experimental study on thermal cycling of nano-silver and nano-silver coated tin flip solder joints
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