A Jawbreaker-Shaped Fragmentary Ground Textile Flexible Antenna

A Jawbreaker-Shaped Fragmentary Ground Textile Flexible Antenna

Anurag Saxena (SR Group of Institutions, Jhansi, India), Vinod Kumar Singh (SR Group of Institutions, Jhansi, India), Akanksha Lohia (SR Group of Institutions, Jhansi, India) and Mohd Faisal (SR Group of Institutions, Jhansi, India)
DOI: 10.4018/IJECME.2020070102
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Under this article, a jawbreaker-shaped textile antenna is designed for assortment applications like satellite communication, security system, medical, etc. For the antenna to be wearable, jeans substrate is used in place of FR-4 material so that it can easily bend. After simulating in CST software, the resonant frequency is 7.5 GHz under which it covers the range of 5.37 GHz to 8.36 GHz frequency. The simulating result of proposed antenna shows high efficiency, better directivity, and radiation pattern. The overall bandwidth of proposed antenna is 27.07%.
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1. Introduction

The adaptable materials like pants, calfskin and elastic have a low dielectric constant which brings down the heaviness of material and furthermore enhances the bandwidth. The dielectric constant of the material is relative to the antenna size; subsequently with the flexible materials smaller antennas are anything but difficult to be made. The properties of antenna, for example, the reflection coefficient, Voltage Standing Wave Ration, reception apparatus pick up and radio wire radiation design are examined and broke down for radio wire planning. In the city or covered wireless environment, after a complicated multiple reflection or scattering effect, the polarization of the propagating radio wave may change significantly (Sakena 2019; Lemey et al., 2014; Saxena & Khare 2019; Van Torre et al., 2010). Although various recent wireless systems are vertically polarized, it has been predicted that it is advantageous to use horizontally polarized antennas at transmitter and receiver ends. There are an assortment of strategies for improving the bandwidth of material Microstrip antenna by growing the material profundity, using low dielectric material, utilizing various bolstering procedures and impedance coordinating (Saxena et al., 2019; Saxena & Singh 2018; Saxena et al., 2018; Lui et al., 2013). Both the data transfer capacity and the thickness of the Antenna is opposing resources i.e. upgrade in data transfer capacity builds the size and thickness of introduced textile antenna (Saxena & Singh 2018; Singh et al., 2018; Singh & Saxena 2018; Saxena et al., 2018; Saxena & Singh 2019; Saxena & Singh 2019; Agilent HSMS 2005). William C Brown was the first US electrical Engineer who invents rectenna in 1964 which was patented in 1969. In the last few years, the requirement of power consumption has been raised which increase the necessity of alternate energy source (Roundy 2003; Sukla et al., 2015; Hall & Hao 2006; Manel et al., 2014; Murali et al., 2014; Zhang et al., 2013; Kennedy et al., 2009; Chahat et al., 2014; Srivastava et al., 2013; Kin-Lu 2002). Different type of energy sources such as thermal, wind, solar, and RF energy are available. This paper deals with the harvesting of RF energy using textile antenna. The process of collecting energy from environment in order to convert it into usable electrical energy is called energy harvesting (Singh & Naresh 2015; Singh et al., 2014; V et al., 2013; CA 2004; Srivastava et al., 2015). The design and simulation is done on CST (Computer Simulation Technology) Software in which VSWR, return loss, 2-D and 3-D radiation pattern can be plotted (Loni et al., 2014; Singh et al., 2014; Gupta et al., 2016; Din et al., 2012; Rawat et al., 2012). Due to light weight and less size it is easily foldable, Microstrip antenna plays an important role in wireless communication systems such that it is easily wearable. Microstrip antenna plays major role in wireless communication system. Microstrip antennas are used in high-performance air-crafts, radar, missiles, and another spacecraft. It has many advantages such as its lightweight, simple structure, ease of addition, and less cost. Microstrip antenna requires very less space for installation as these are simple and small in size. The only space these require is the space for the feed line which is placed behind the ground plane. Microstrip antennas are low profile, simple, conformable to planar and non-planar surfaces, inexpensive to manufacture using modern printed circuit technology for installation of microstrip textile antenna required very less space. Body wireless communication and PAN (Personal Area Network) design is basically based on textile antenna. There is an assortment of strategies for improving the bandwidth of textile microstrip antenna by extending the material profundity, using low dielectric material, utilizing various nourishing methods and impedance coordination. Both the bandwidth and the thickness of the antenna are contradictory assets, i.e. enhancement in bandwidth increases the size and thickness of the presented antenna (Baudh et al., 2013; Srivastava et al., 2014; Loni & Singh 2015; Dhupkariya & Singh 2015; Singh et al., 2015).

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