Mostafa Mohamed Salah
ABSTRACT
The paper presents a novel and compact design for an ultra-wideband antenna based on frequency independent ethos. It consists of a Log-Periodic monopole structure with specific angle for the radiating patch with a defected ground plane. The antenna is fed using microstrip line feed and is designed on an FR4 substrate with a thickness of 1.6 mm, a relative permittivity of 4.4, and a loss tangent of 0.02. The Finite Element Method (FEM) of the Ansoft HFSS software is used during the design process. The proposed antenna covers the frequency range from 5.3 GHz up to 14 GHz for multiple frequency bands such as, WLAN, IEEE802.11a band (5.15-5.825GHz), C-band (4-8GHz), and X-band (8 to 12GHz). The antenna provides an omnidirectional radiation pattern, directivity and the efficiency of the antenna is about 70%. The dimensions of the antenna were optimized to realize compactness, high band width, and good matching impedance. Our design was fabricated , test and the measured results found to be in an excellent agreement with the simulation results. Proposed antenna will be useful for 5G applications, military applications, Healthcare applications, Smart homes, IoT and industrial automation.
Supplemental Material
Available for Download
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Index Terms
- Employing Frequency Independent Structure for Ultra-Wide Band Antenna
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