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Journal Article
Analysis of a Uniform Rectangular Array for Generation of Arbitrary Orbital Angular Momentum (OAM) Modes
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- Authors
- Y.H. Cho, W.J. Byun
- Issue Date
- 2019-05
- Citation
- Electronics Letters, v.55, no.9, pp.503-504
- ISSN
- 0013-5194
- Publisher
- IET
- Language
- English
- Type
- Journal Article
- Abstract
- Using the array antenna theory, theoretical radiation and near-field characteristics of a uniform rectangular array (URA) for high-gain or wide-beamwidth orbital angular momentum waves have been rigorously studied. Closed-form weighting factors of URA elements are derived based on the Hankel transform proposed for aperture antennas. Simulated radiation patterns and near-field distributions show that a URA configuration is superior to a uniform circular array in terms of antenna gain, beamwidth, and beam-scanning capability.
- KSP Keywords
- Antenna gain, Antenna theory, Aperture antennas, Array antenna, Beam scanning, Field distribution, Hankel transform, High Gain, Uniform circular arrays(UCAs), Uniform rectangular array, Weighting Factor