A Compact Circular Loop Inspired Frequency and Bandwidth Reconfigurable Antenna for 4G, 5G, and X- Band Applications

Rasool, Maryam; Khan, Asif Ali; Bhatti, Farooq Ahmed; Ijaz, Bilal; Iftikhar, Adnan

doi:10.13164/re.2020.0471

RADIOENGINEERING

2020

DOI: 10.13164/re.2020.0471

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A Compact Circular Loop Inspired Frequency and Bandwidth Reconfigurable Antenna for 4G, 5G, and X- Band Applications

Maryam Rasool¹,

Asif Ali Khan²,

Farooq Ahmed Bhatti³

et al.

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Cited by 3 publications

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Multiband and Wider Bandwidth Plasma Antenna Design Using 3D FDTD

Avci,

Afacan

2024

Micro & Optical Tech Letters

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In this study, the far‐field characteristics of a plasma dielectric resonator antenna are investigated. The internal structure of the antenna is filled with a plasma material. Surface currents are obtained in an imaginary closed area formed at a certain point outside the plasma antenna. Then, the near field‐far field transformation is performed with the FFT method using the surface currents. The field distributions in the far field of the plasma antenna have been evaluated using three‐dimensional FDTD. The system has shown to work in multiband with wider bandwidths.

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Multiband and Wider Bandwidth Plasma Antenna Design Using 3D FDTD

Avci,

Afacan

2024

Micro & Optical Tech Letters

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Compact Triple/Quadruple-Band Reconfigurable Monopole Antenna for Wireless Applications

Zugari

Ali

Salamin

et al. 2021

J CIRCUIT SYST COMP

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In this paper, a compact reconfigurable tri-band/quad-band monopole antenna is presented. To achieve the multi-band behavior, two right-angled triangles were etched in a conventional rectangular patch, and a partial ground plane is used. Moreover, the proposed multi-band antenna is printed on a low cost FR4 epoxy with compact dimensions of 0.23[Formula: see text], where [Formula: see text] is calculated at the lowest resonance frequency. To provide frequency agility, a metal strip which acts as PIN diode was embedded in the frame of the modified patch. The tri-band/quad-band antenna performance in terms of reflection coefficient, radiation patterns, peak gain and efficiency was studied. The measured results are consistent with the simulated results for both cases. The simple structure and the compact size of the proposed antenna could make it a good candidate for multi-band wireless applications.

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Novel Design of a Bandwidth Enhanced and Frequency Reconfigurable, Wearable Antenna for Body Centric Communication

Kumar,

Mathur

2024

J. Electromagn. Eng. Sci

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This paper proposes a novel design for a frequency reconfigurable and bandwidth-enhanced antenna for use in biomedical telemetry applications. Data pertaining to a patient’s body parameters, such as blood pressure, pulse, and temperature, are gathered using sensors and then transmitted to a remote place for monitoring. The proposed antenna is connected to a wearable transmitter, which transfers the body parameter data to a centrally located nearby control unit. The antenna operates in the 5.8 GHz band in single-band mode and in the 4.27 GHz (C band) and 5.8 GHz industrial, scientific, and medical (ISM) bands in dual-band mode. The use of ethylene-vinyl acetate foam as a substrate makes the structure waterproof and ultraviolet resistant. The basic antenna structure equipped with proximity coupling offers a front-to-back ratio (FBR) of 17.62 dB and a bandwidth of 122 MHz. With an additional upper patch and resonant slots, bandwidth enhancement of 82.85% and 11.57% improvement in the FBR are achieved, respectively. Overall, a maximum FBR of 19.66 dB and gain of 5.0 dBi are attained over the resonant frequency. The specific absorption rate is found to be 0.145 W/kg for 10 gram of tissue.

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A Compact Circular Loop Inspired Frequency and Bandwidth Reconfigurable Antenna for 4G, 5G, and X- Band Applications

Cited by 3 publications

References 0 publications

Multiband and Wider Bandwidth Plasma Antenna Design Using 3D FDTD

Multiband and Wider Bandwidth Plasma Antenna Design Using 3D FDTD

Compact Triple/Quadruple-Band Reconfigurable Monopole Antenna for Wireless Applications

Novel Design of a Bandwidth Enhanced and Frequency Reconfigurable, Wearable Antenna for Body Centric Communication

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