Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 71, Issue 5, Pages 4510-4515Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2023.3240837
Keywords
28 GHz; fifth-generation (5G); gallium nitride (GaN); gapwaveguide (GW)-based antennas; millimeter-wave (mmWave); phased array
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A cost-efficient, high equivalent isotropic radiated power (60 dBm), large-bandwidth (26.5-29.5 GHz) active phased array antenna system has been designed and experimentally verified. The system reduces production costs by employing GaN-based RFFEs with 31 dBm output power, which allows for a reduced number of antenna elements. The use of fully metallic GW technology enables efficient heat dissipation and low-loss easy-to-manufacture antenna elements. The antenna demonstrates +/- 60 degrees analog beamforming in the E-plane and has the potential to be used as a compact-size high-performance 5G base station antenna with excellent temperature stability.
A cost-efficient, high equivalent isotropic radiated power (60 dBm), large-bandwidth (26.5-29.5 GHz) active phased array antenna system has been designed and experimentally verified. The proposed design methodology results in a reduction of production costs by employing gallium nitride (GaN)-based radio frequency front-ends (RFFEs) with 31 dBm output power allowing a reduced number of antenna elements. A fully metallic gapwaveguide (GW) technology has been employed achieving efficient heat dissipation per aperture area of the array as well as low-loss easy-to-manufacture antenna elements. The phased array is realized by sub-arraying an 8 x 8 slot array antenna with horizontal polarization. A +/- 60 degrees analog beamforming in the E-plane is demonstrated. The presented antenna is a potential candidate for compact-size high-performance fifth-generation (5G) base station antennas with excellent temperature stability.
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