Low-Cost Flexible Graphite Monopole Patch Antenna for Wireless Communication Applications

Sakulchat, Suwat; Ruengwaree, Amnoiy; Thongpool, Voranuch; Naktong, Watcharaphon

doi:10.32604/cmc.2022.024050

Cited by 1 publication

(4 citation statements)

References 6 publications

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“…Table 3 compares the antenna designed in this paper with previous similar articles. From the table, it can be seen that the antenna in this paper has the smallest size compared to the antennas in the literature [27,[35][36][37][38] and has successfully achieved the miniaturization of the antenna. Secondly, compared with the literature [27,[36][37][38], the frequency bands of WLAN, WiMAX, and 5 G applications, which are more widely used, are covered.…”

Section: Comparisonmentioning

confidence: 86%

“…From the table, it can be seen that the antenna in this paper has the smallest size compared to the antennas in the literature [27,[35][36][37][38] and has successfully achieved the miniaturization of the antenna. Secondly, compared with the literature [27,[36][37][38], the frequency bands of WLAN, WiMAX, and 5 G applications, which are more widely used, are covered. In addition, compared with [27,35,38], this paper adopts flexible composites as the substrate, which has the advantages of adjustable dielectric properties and low cost.…”

Section: Comparisonmentioning

confidence: 86%

“…Secondly, compared with the literature [27,[36][37][38], the frequency bands of WLAN, WiMAX, and 5 G applications, which are more widely used, are covered. In addition, compared with [27,35,38], this paper adopts flexible composites as the substrate, which has the advantages of adjustable dielectric properties and low cost. Compared with the microstrip feeding method in the literature [36], the coplanar waveguide feeding method has a simpler structure, features a low profile, and is easy to integrate with other electronic devices.…”

Section: Comparisonmentioning

confidence: 99%

“…Desai et al [25] used silver oxide to make a transparent sheet and chose PET as the substrate of the antenna to realize the transparency of the whole antenna, and Cang et al [26] used in-situ self-metallization to make the antenna's radiating patch stronger and less likely to be peeled off and ultimately designed a flexible monopole antenna with a high degree of mechanical toughness. Sakulchat et al [27] used their homemade graphite liquid to fabricate graphite flakes and screen printed the antenna by hand to ensure the antenna's performance and reduce the processing cost. This paper aims to design a compact, low-profile, flexible antenna covering multiple application bands for wireless communication systems while complying with the SAR standards set by the FCC.…”

Section: Introductionmentioning

confidence: 99%

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Multi-frequency composite wearable antenna for wireless communications

Shi,

Duan,

Zhang

et al. 2024

Smart Mater. Struct.

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This paper proposes a multi-band composite wearable antenna for wireless communication, which uses a monopole structure as the radiating body and achieves multi-band characteristics through slit-loading and multi-branching methods. A polymer composite substrate with high dielectric constant and low dielectric loss was prepared using in situ polymerization, and the optimal dielectric constant and loss angle tangent were obtained by controlling the coating ratio of melamine formaldehyde resin (MF) to carbon nanotubes (MWCNTs) and the filler doping rate to achieve miniaturization of the antenna. Comparative experimental results show that the obtained composites have high flexibility and good dielectric properties. The antenna operates in the frequency bands of 2.21-2.52GHz, 3.07-3.87 GHz, and 4.36-6.03 GHz, which cover the frequency bands of WLAN and WiMAX and 5G applications. The antenna was fabricated and tested, and its performance roughly matched the simulation results. Meanwhile, the antenna has passed the SAR safety test and maintained a stable performance under different curvatures, so it has potential applications in the wireless communication system.

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