Analysis of Woven and Non-Woven Polyester Fabrics Made Flexible CP Annular Ring Textile Antenna

Analysis of Woven and Non-Woven Polyester Fabrics Made Flexible CP Annular Ring Textile Antenna

Kiran Ramesh Rathod (Thakur College of Engineering and Technology, Mumbai, India) and B. K. Mishra (Thakur College of Engineering and Technology, Mumbai, India)
DOI: 10.4018/IJECME.2019070104
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This article reveals the characteristics of a probe-fed wideband circularly polarized (CP) annular ring textile antenna (ARTA). The proposed ARTA is fully flexible due to a conductive stack fabrics configuration for GSM-1800/ISM-2.4 GHz. The foremost aim of this article is to realize its performance under bending circumstances for wearable applications. The combinations of woven and non-woven polyester fabrics are used as a high-low substrate material to attain superb impedance bandwidth (BW) and worthy surface wave efficiency. A decent CP performance is realized by choosing the precise dimension of notches. It has measured and simulated impedance and the axial ratio (AR) BW of 18.33%, 13.88%, 7.86%, 2.86% and 3.97% in the lower and upper band, respectively. The optimization of CP in the upper band is under process. Results clarify that the CPARTA is beneficial for wearable and wireless application under bending circumstances. The proposed method is appropriate where a wide-range of CP bandwidth is essential.
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In the modern-days wireless communication system, the well-organized planning as well as small size antenna plays a very crucial role due to the space limitation. If the size of an antenna is small, lesser will be its efficiency which will vitiate the performance of wireless communication system. However, in these days wireless communication system, the compact and simple antennas perform well than the traditional antennas by holding their radiation characteristics. Hence, there is an enormous platform available for the small size antennas performing at far-reaching frequency range in this age of modern wearable communication system. Usually, each antenna carry out well at a single frequency band demanding separate antenna for alternative task; which will occupy more space and hence it is not desirable as large size antennas bend more than the smaller one. The operating frequency of the CPARTA antenna can be matched over a wide range so that the same antenna can be applied for several channels simply by adjusting thickness of fabrics substrate (Dahele & Lee, 1985).

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