Abstract
In this paper, a fully transparent multiband antenna for vehicle communications is designed, fabricated, and analyzed. The antenna is coplanar waveguide-fed to facilitate its manufacture and increase its transmittance. An indium-tin-oxide film, a type of transparent conducting oxide, is selected as the conductive material for the radiation path and ground plane, with 8 ohms/square sheet resistance. The substrate is glass with a relative permittivity of 5.5, and the overall dimensions of the optimized design are 50 mm × 17 mm × 1.1 mm. The main antenna parameters, namely, sheet resistance, reflection coefficient, and radiation diagram, were measured and compared with simulations. The proposed antenna fulfills the frequency requirements for vehicular communications according to the IEEE 802.11p standard. Additionally, it covers the frequency bands from 1.82 to 2.5 GHz for possible LTE communications applied to vehicular networks.
Highlights
Communications have acquired an important role in the development of concepts such as the internet of things (IoT) [1]
In the IoT field, there exist specific networks that can improve and grow smart mobility; these are known as vehicular networks (VN) [8]
Notwithstanding the vast developed area, a remaining problem for designing transparent antennas based on conductive films with sheet resistance over 5 Ohms, [26,29,30], is to obtain a multiband behavior with narrow bandwidths
Summary
Communications have acquired an important role in the development of concepts such as the internet of things (IoT) [1]. In the IoT field, there exist specific networks that can improve and grow smart mobility; these are known as vehicular networks (VN) [8] These networks carry out vehicle to vehicle (V2V), vehicle to infrastructure (V2I) [9], and vehicle to everything (V2X) communication [8]. Notwithstanding the vast developed area, a remaining problem for designing transparent antennas based on conductive films with sheet resistance over 5 Ohms, (mainly with ITO) [26,29,30], is to obtain a multiband behavior with narrow bandwidths. The design of a fully transparent antenna using ITO-coated glass with a coplanar waveguide (CPW)-fed slot dipole with a multiband operation, IEEE 8002.11p (5.9 GHz), and LTE sub. The main contributions of the proposed are a fully transparent antenna that operates at frequencies for vehicular communications standards, designsize. Are a fully transparent antenna that operates at frequencies for vehicular communications and small standards, and small size
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