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Small Radial Line Slot Array (RLSA) Antennas for Wi-Fi 5.8 GHz Devices
(*) Corresponding author
DOI: https://doi.org/10.15866/irecap.v7i5.10431
Abstract
This paper presents a brief review of the development of small radial line slot array (RLSA) antennas for Wi-Fi devices. Based on the review, we concluded that some of the RLSA antennas designed and implemented on Wi-Fi devices are not optimal. Hence, this study aimed to design a small RLSA antenna for point-to-point 5.8 GHz Wi-Fi devices with an optimum design using a previously developed technique known as the extreme beamsquint technique. We used this technique to design and simulate 50 small RLSA antenna models, and then we fabricated the best model. We measured the performance of the fabricated prototype to verify the simulation results. The following measurement results were obtained: a gain of 17.28 dBi, a bandwidth of 1 GHz, a beamwidth of 300, and a mainlobe-to-sidelobe ratio of 10 dB. These results meet the required antenna specifications for Wi-Fi devices. Moreover, the prototype was successfully tested as an antenna for a Wi-Fi device.
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