Decoupling and Cloaking of Interleaved Phased Antenna Arrays Using Elliptical Metasurfaces
| Autor: | Harry G. Skinner, Andrea Alù, Hossein Mehrpour Bernety, Alexander B. Yakovlev, Seong-Youp Suh |
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| Rok vydání: | 2020 |
| Předmět: |
Physics
Antenna radiation patterns business.industry Beam scanning Physics::Optics Cloaking 020206 networking & telecommunications 02 engineering and technology Radiation Electronic mail Radiation properties law.invention Optics law 0202 electrical engineering electronic engineering information engineering Dipole antenna Electrical and Electronic Engineering business Decoupling (electronics) |
| Zdroj: | IEEE Transactions on Antennas and Propagation. 68:4997-5002 |
| ISSN: | 1558-2221 0018-926X |
| DOI: | 10.1109/tap.2019.2957286 |
| Popis: | We apply the concept of electromagnetic invisibility/cloaking to improve the radiation properties and decouple two tightly spaced and interleaved phased linear antenna arrays of strip monopoles operating at close frequencies, in order to restore their isolated radiation patterns and eliminate the undesired cross-coupling between their elements. We realize this effect using elliptically shaped cloaking metasurfaces designed for mutually cross-coupled elements of the distinct arrays. We analyze and investigate the cloaking and decoupling effects in improving the functionality of the coupled arrays in terms of their radiation patterns and realized gain, respectively. As a result, the antenna arrays placed in close proximity of each other can radiate independently for a wide range of beam scanning angles, restoring the properties they would have when isolated from each other. |
| Databáze: | OpenAIRE |
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