Abstract
A type of telecommunication technology called an ultra-wideband (UWB) is used to provide a typical solution for short-range wireless communication due to large bandwidth and low power consumption in transmission and reception. Printed monopole antennas are considered as a preferred platform for implementing this technology because of its alluring characteristics such as light weight, low cost, ease of fabrication, integration capability with other systems, etc. Therefore, a compact-sized ultra-wideband (UWB) printed monopole antenna with improved gain and efficiency is presented in this article. Computer simulation technology microwave studio (CSTMWS) software is used to build and analyze the proposed antenna design technique. This broadband printed monopole antenna contains a jug-shaped radiator fed by a coplanar waveguide (CPW) technique. The designed UWB antenna is fabricated on a low-cost FR-4 substrate with relative permittivity of 4.3, loss tangent of 0.025, and a standard height of 1.6 mm, sized at 25 mm × 22 mm × 1.6 mm, suitable for wireless communication system. The designed UWB antenna works with maximum gain (peak gain of 4.1 dB) across the whole UWB spectrum of 3–11 GHz. The results are simulated, measured, and debated in detail. Different parametric studies based on numerical simulations are involved to arrive at the optimal design through monitoring the effects of adding cuts on the performance of the proposed antennas. Therefore, these parametric studies are optimized to achieve maximum antenna bandwidth with relatively best gain. The proposed patch antenna shape is like a jug with a handle that offers greater bandwidth, good gain, higher efficiency, and compact size.
Highlights
An ultra-wideband (UWB) is a telecommunications technology that is utilized in radio communication networks to achieve high-speed bandwidth connections with minimal energy consumption
UWB wireless has developed as an emerging skill with limited smart structures such as radar, wireless communications, and medical engineering domains since its initial achievement in the middle of the 2000s [1]
Due intolerances in theinfabrication process and surrounding noises, therethere are are some variations in the measured results
Summary
An ultra-wideband (UWB) is a telecommunications technology that is utilized in radio communication networks to achieve high-speed bandwidth connections with minimal energy consumption. The low spectral density of UWB is responsible for short range of communication. This function, demands high-gain antennas with relatively stable radiation characteristics [3]. Primarily monopoles, are used in UWB electrical devices [4,5] due to its compact size, low profile, and low cost, as well as its ultra-wide impedance bandwidth. When these antennas are placed near metallic surfaces, they can cause severe impedance mismatch. Low-profile antennas transmit limited frequency signals with low gain and poor directivity [6,7]
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