Journal
2020 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND NORTH AMERICAN RADIO SCIENCE MEETING
Volume -, Issue -, Pages 263-264Publisher
IEEE
DOI: 10.1109/IEEECONF35879.2020.9330011
Keywords
near-isotropic antenna; circular polarization; antenna in package, PSO optimization
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Near-isotropic radiation pattern and maximum CP coverage in the radiation sphere are desirable features for antennas, particularly for modern applications such as Internet of Things. In this work, we derive conditions through a combination of three dipole model and particle swarm optimization to achieve near isotropic radiation pattern and maximum CP coverage, simultaneously. Based on the developed theoretical model, a 3D antenna-in-package design provides 98% isotropicity in the radiation pattern and a CP coverage of 22.6% over the entire radiation sphere.
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