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Design of Narrowband Terahertz Filtenna for High-Speed Wireless Communication

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Abstract

Narrowband bandpass filters (BPFs) are in great need in future terahertz (THz) technologies to suppress EM signals beyond the operating band. THz filters and antennas play a crucial role in controlling and transmitting THz signals for the application of high data rate (6G) communication, non-destructive sensing, imaging, switching, and filtering. The proposed filtenna is designed using a dual-band THz BPF with a complementary split ring resonator (CSRR) metamaterial (MM). This paper suggests the circle in the pentagon (CP) filtenna and the simulation results show the filtering characteristics of two pass bands with resonant frequency (fr) between 6.3 and 7 THz and between 8 and 9.8 THz with a squared ratio of 0.54. Also, the maximum 3-dB bandwidth (BW) of 1.3 THz, low return loss (RL) of −28.46 dB, and low insertion loss (IL) of almost 0 were attained. The proposed antenna radiates at the frequency of 6.8 THz with an RL of −27.72 dB. The proposed CP filtenna applies to various wireless communication, especially in drone-to-drone communication with excellent data rates.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, IFET College of Engineering, Villupuram, India

    Elizabeth Caroline Britto & Sagadevan K.

  2. Department of Electronics and Communication Engineering, MAM College of Engineering and Technology, Trichy, India

    Susan Christina Xavier

  3. Department of Electronics and Communication Engineering, Centre for Advances in Signal Processing and Sensor Networks, Sri Eshwar College of Engineering, Coimbatore, India

    Sathish Kumar Danasegaran

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  1. Elizabeth Caroline Britto
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  2. Sagadevan K.
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  4. Sathish Kumar Danasegaran
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Contributions

Sagadevan designed the various filters and proposed the original draft. Caroline validated the simulated results and verified the manuscript. Susan provides the concept and supervision, and prepared figures. Sathish Kumar conducted the literature survey, investigation, and methodology. Finally, all authors reviewed and edited the complete manuscript.

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Correspondence to Sagadevan K..

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Britto, E.C., K., S., Xavier, S. et al. Design of Narrowband Terahertz Filtenna for High-Speed Wireless Communication. Braz J Phys 54, 107 (2024). https://doi.org/10.1007/s13538-024-01485-z

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