Development and Simulation of 26 GHz Beamforming Systems and Antenna Array 5G Network Base Stations
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https://doi.org/10.13052/2024.ACES.J.390505关键词:
CST Studio, Array Antenna, Series feed antenna, Rotman lens, mm-Wave摘要
This paper focuses on designing a new structure of beamforming networks with an array antenna to control the beams. The 3×4 array antenna structure connects to the 3×3 Rotman lens beamformers to achieve this goal. The middle time delay line is around 14 mm. The design allows the x-axis to cover +25, 0, −25 degrees. Therefore, this work targets fifth generation (5G) application, which necessitates coverage in all directions by other base stations or users. Computer Simulation Technology (CST) microwave software facilitates the simulation process. The design begins with a single microstrip patch antenna, designed to function as an array antenna resonating at 26 GHz. The half-lambda separation (λ/2) among antennas gives 13.8 dBi gain with S11<−10 dB. The final structure for beamforming networks has a gain of 14 dBi. This work uses the Roger 5880 substrate, which has a dielectric constant of 2.2, a loss tangent of 0.0009, and a thickness of 0.127 mm.
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