Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Moataza Hindy"'
Publikováno v:
Microwave and Optical Technology Letters.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::893a8e8917d724294ecafbb59cd403c7
https://doi.org/10.1002/mop.33489
https://doi.org/10.1002/mop.33489
Publikováno v:
International Journal of RF and Microwave Computer-Aided Engineering. 32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3454fb656c519cc4866bf6e686ff82b6
https://doi.org/10.1002/mmce.23212
https://doi.org/10.1002/mmce.23212
Publikováno v:
2021 38th National Radio Science Conference (NRSC).
In this paper, an enhanced 5G millimeter-wave (mmW) wideband monopole antenna is shown. The proposed design antenna covers broadband of 5G frequencies (upper band) extends from 20 to more than 40 GHz. The antenna design consists of a monopole radiato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::616b5f110b0d28224288172ad81cd899
https://doi.org/10.1109/nrsc52299.2021.9509812
https://doi.org/10.1109/nrsc52299.2021.9509812
Publikováno v:
Iranian Journal of Science and Technology, Transactions of Electrical Engineering. 43:451-458
This paper presents two designs of reflectarrays with two different unit cells: a novel broadband microstrip unit cell and a 3D all-metal unit cell. The microstrip unit cell consists of two concentric octagonal rings plus an octagonal patch with an e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::324dbd6974dc93e3096084f30d710bce
https://doi.org/10.1007/s40998-019-00174-x
https://doi.org/10.1007/s40998-019-00174-x
Publikováno v:
Journal of Electrical Systems and Information Technology, Vol 5, Iss 2, Pp 208-215 (2018)
This paper presents a simulation and experimental retrieval negative permittivity and permeability based on a circular split ring resonator left handed material (LHM). The LHM structure consists of five circular split ring resonators on one side of d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db8803d049d7647d9c41d39fa8e95e3a
https://doi.org/10.1016/j.jesit.2017.05.004
https://doi.org/10.1016/j.jesit.2017.05.004
Publikováno v:
International Journal of Speech Technology. 21:555-562
This paper is concerned with reflectarray antenna design with multiple unit cells in order to enhance the gain at the design frequency, while keeping an acceptable bandwidth to work for 5-G mobile base station applications. The design is based on fiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03d3d7aac4ae85d4411f912744ae0d74
https://doi.org/10.1007/s10772-018-9507-8
https://doi.org/10.1007/s10772-018-9507-8
Switching Between Unit Cells: A Tool to Break the Limits on the Performance of Reflectarray Antennas
Publikováno v:
Wireless Personal Communications. 101:1429-1443
For decades, the design of reflectarray antennas followed a unified strategy of selecting a certain unit cell for the whole design. After that, the dimensions or orientations of this unit cell are changed to achieve the required phase shift at each p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce095d84b57e43620be44412ce6a59ed
https://doi.org/10.1007/s11277-018-5770-x
https://doi.org/10.1007/s11277-018-5770-x
Publikováno v:
Wireless Personal Communications. 97:2999-3016
In this paper, five suggested unit cells are presented and compared for the design of a 28-GHz reflectarray antenna that can be used for 5-G mobile base-stations. The unit cells of these reflectarrays are built with combinations between octagonal rin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b79d1b8f01eda8f78a157996a19ac35f
https://doi.org/10.1007/s11277-017-4657-6
https://doi.org/10.1007/s11277-017-4657-6
Publikováno v:
International Journal of Microwave and Wireless Technologies. 9:1661-1666
This paper presents a new optically controlled reconfigurable ultra-wideband antenna using reconfigurable optical router with photonic crystal substrate. The proposed antenna has three optical switches. The optical switches are made by placing silico
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e05223b739fd2ae68cfcb7b32e20e659
https://doi.org/10.1017/s1759078717000241
https://doi.org/10.1017/s1759078717000241
Publikováno v:
International Journal of Hybrid Information Technology. 10:171-178
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d436763d55c1d780ad9e43046959f82
https://doi.org/10.14257/ijhit.2017.10.1.15
https://doi.org/10.14257/ijhit.2017.10.1.15