Le, T.N.T.N. and Cuong, H.D. and Tam, N.T. and Le, M.T. and Dinh, N.Q. (2021) An X-Band Reflectarray Antenna Using Concentric Rings and a Cross. In: 8th NAFOSTED Conference on Information and Computer Science, NICS 2021, 21 December 2021 through 22 December 2021, Hanoi.
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In this work, an X-band reflectarray antenna using two concentric rings and a cross is proposed. Three types of unit cells are designed and analyzed to improve the phase sensitivity of the unit cell. A center-feed reflectarray antenna with dimensions of 205.7 mm x 205.7 mm is then designed. It performs an excellent gain of 26 dBi at 10 GHz. It also achieves a good aperture efficiency of 67%, a sidelobe level of -15.6 dB, and a 1-dB bandwidth of 12%. © 2021 IEEE.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Divisions: | Faculties > Faculty of Radio-Electronic Engineering |
| Identification Number: | 10.1109/NICS54270.2021.9701523 |
| Uncontrolled Keywords: | Antenna arrays; Millimeter waves, Cell-be; Cell/B.E; Concentric rings; Cross; Phase sensitivity; Reflectarray antennas; Reflectarrays; Unit cells; Wide-band; X bands, Microwave antennas |
| URI: | http://eprints.lqdtu.edu.vn/id/eprint/10386 |
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