JOURNAL ARTICLE
A Wideband Circularly Polarized Slot Antenna
Abstract
A wideband circularly polarized slot antenna is presented in this paper for 5G applications. The circular polarization radiation is produced by adding an L-shaped stub on the microstrip feedline. The axial ratio bandwidth of the antenna is mainly improved by using an inverted fork-shaped slot and cutting a corner on the L-shaped stub. The circular polarization bandwidth is further enhanced by chamfering the fork-shaped slot and the L-shaped stub. The measured impedance bandwidth (|S11|< 10 dB) is 121.45%(1.49~6.11GHz). The measured axial ratio bandwidth (AR<3 dB) is 72.2% (2.3~4.9GHz).
Keywords:
Stub (electronics) Wideband Circular polarization Optics Slot antenna Physics Microstrip antenna Bandwidth (computing) Axial ratio J-pole antenna Turnstile antenna Microstrip Acoustics Coaxial antenna Telecommunications Computer science Electrical engineering Engineering Antenna (radio)
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Topics
Antenna Design and Analysis
Physical Sciences → Engineering → Aerospace Engineering
Microwave Engineering and Waveguides
Physical Sciences → Engineering → Electrical and Electronic Engineering
Advanced Antenna and Metasurface Technologies
Physical Sciences → Engineering → Aerospace Engineering
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