An optimized design for motivated broadband LPDA antenna
Islam M. Ibrahim, Mohamed I. Ahmed, Hala M. Abdelkader, M. M. Elsherbini
TL;DR
This paper introduces a high-gain, wideband LPDA antenna optimized for millimeter-wave applications like wireless personal area networks.
Contribution
The novel design achieves a 3 dBi gain improvement and operates efficiently in the 40-70 GHz range using a four-arm structure and circular director units.
Findings
The antenna achieves a maximum realized gain of 14.97 dBi at 60 GHz.
The design resonates effectively in the 40-70 GHz millimeter-wave band.
Simulation and testing results align well, showing improved performance over prior designs.
Abstract
This paper presents a super wideband and high-gain log periodic dipole array (LPDA) antenna. The overall structure of the antenna was constructed using microwave studio computer simulation technology. The optimal sizes of the planned antenna are 39 × 10× 0.254 mm3. The engineered antenna arrangement is implemented on an RT5880 substrate as a dielectric medium. The LPDA is arranged in four arms that are equally spaced on both lines. The main 50Ω feeder line is partially grounded at the back of the substrate. A combination of circular director units is being studied and tuned in a regular pattern at a predefined distance from the antenna. An improvement in gain of 3 dBi is the response of the director units. The Conformist LPDA is adjusted to achieve a wide range of millimeter wave bands ranging from 40 to over 70 GHz. The antenna resonates at 60 GHz, where the maximum realized gain of…
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Taxonomy
TopicsAntenna Design and Analysis · Millimeter-Wave Propagation and Modeling · Microwave Engineering and Waveguides