Design circular polarized antenna at ISM band for WBAN using parasitic elements

Kattiakara Muni Samy, Muthukumara Rajaguru; Gudipalli, Abhishek

doi:10.1016/j.heliyon.2024.e27780

Heliyon

2024

DOI: 10.1016/j.heliyon.2024.e27780

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Design circular polarized antenna at ISM band for WBAN using parasitic elements

Muthukumara Rajaguru Kattiakara Muni Samy,

Abhishek Gudipalli

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2024

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Cited by 2 publications

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Textile‐based high‐gain bow‐tie antenna using metamaterials for medical applications

Khajeh‐Khalili,

Shirvani,

Neshati

2024

Engineering Reports

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This paper presents a high‐gain wearable circularly polarized bow‐tie antenna (WCPBTA) with metamaterial unit‐cells and 5 pins (5Ps) technique for telemedicine applications such as telemonitoring the elderly or the patients especially for emergency conditions of contagious diseases. The frequency range of the proposed antenna is 5.725–5.850 GHz, which belongs to the unlicensed‐national information infrastructure (U‐NII‐3) for the industrial, scientific, and medical (ISM) sub‐channels. A light‐weight and flexible felt with dielectric constant εr = 3, thickness 1.27 mm, and tan (δ) = 0.0095 is used as the substrate for patient comfort and wearability. The overall dimensions of the proposed antenna are 64 × 62 × 1.27 mm3 or 0.102 λg3 at 5.8 GHz. The maximum simulated gain at 5.8 GHz is 8.25 dB, which is more than 4 dB compared to that of the original bow‐tie antenna. Besides, the axial ratio (AR) and the specific absorption rate (SAR) are also analyzed, which meet the perfect requirement for medical applications. The fabricated prototype of the antenna shows good compatibility between simulation and measurement results. These characteristics make the proposed WCPBTA a good choice for wireless body area networks (WBANs) in telemonitoring applications especially with the aim of preventing the spread of contagious diseases.

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Textile‐based high‐gain bow‐tie antenna using metamaterials for medical applications

Khajeh‐Khalili,

Shirvani,

Neshati

2024

Engineering Reports

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A New Enhanced Microstrip Patch Antenna with Circular Polarization for mobile applications

Ait Lahcen,

Chabaa,

Ibnyaich

et al. 2024

ITM Web Conf.

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This study shows an enhanced octagonal circularly polarized (CP) patch antenna, This one appropriate for mobile applications, such as wireless applications, especially for WIMAX, and 5G mid-band. A single-port excitation approach is utilized to obtain the intended outcome. The substrate used is Rogers RT/duroid 5880 with a relative permittivity of 2.2 and a low loss tangent (0.0009). The antenna’s dimensions are optimized with the final design measuring 32 × 35 × 1.67 mm3. To generate the circular polarization a square slot is cuted, and two stubs are inserted in the opposite corners of the ground plane. A good result is achieved, for the reflection coefficient, we have a bandwidth (< -10 dB) of 1.29 GHz (2.8 GHz-4.09 GHz) and the bandwidth of the Axial ratio (AR) below 3 dB is 500 MHz (3.33 GHz−3.83 GHz). (CST) and (HFSS) softwares were used to calculate all obtained results. This microstrip antenna has a tiny dimension, it is simple to fabricate and has a lightweight, it has high performance, such as a wide band of the reflection coefficient of 1.29 GHz, also, its circular polarization makes it ideal for mobile applications, particularly WIMAX and 5G mid-band.

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Design circular polarized antenna at ISM band for WBAN using parasitic elements

Cited by 2 publications

References 31 publications

Textile‐based high‐gain bow‐tie antenna using metamaterials for medical applications

Textile‐based high‐gain bow‐tie antenna using metamaterials for medical applications

A New Enhanced Microstrip Patch Antenna with Circular Polarization for mobile applications

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