Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Wael A. E. Ali"'
Publikováno v:
Sensors, Vol 23, Iss 7, p 3557 (2023)
In this paper, a 38 GHz 4-port multiple-input multiple-output (MIMO) antenna with considerable isolation and gain enhancement for 5G applications is introduced. The suggested antenna element is a monopole antenna composed of a circular patch with a r
Externí odkaz:
https://doaj.org/article/2d632a743d9f4933a6579dd3a75def0f
Autor:
Wael A. E. Ali, Rowan A. Ibrahim
Publikováno v:
Applied Sciences, Vol 13, Iss 6, p 3532 (2023)
This paper introduces an MIMO antenna with a highly compact size of 30 mm width and 30 mm length. Four symmetrical MIMO antenna radiators are utilized with decoupling stubs in the top and bottom planes of the substrate to improve the isolation level.
Externí odkaz:
https://doaj.org/article/f63bb759293a4dbfa9f2b7aadb4e0a41
Publikováno v:
Micromachines, Vol 14, Iss 3, p 527 (2023)
In this work, a spectrum-sensing monopole antenna was used to operate in different frequency bands for cognitive radio applications. The proposed antenna consists of a folded monopole antenna with a partial ground plane, and it can be used for variou
Externí odkaz:
https://doaj.org/article/d33921cb0ebe4cb49f5c812b391c5503
Publikováno v:
Micromachines, Vol 14, Iss 1, p 160 (2023)
A reconfigurable wideband monopole antenna is introduced in this paper for cognitive radio and wireless applications. The reconfigurability was achieved by four varactor diodes embedded in the band pass filter (BPF) structure which was integrated wit
Externí odkaz:
https://doaj.org/article/6f67d3a18a6945298914fe7dce7d36ec
Publikováno v:
Applied Sciences, Vol 10, Iss 13, p 4546 (2020)
This paper presented the design and implementation of a 60 GHz single element monopole antenna as well as a two-element array made of two 60 GHz monopole antennas. The proposed antenna array was used for 5G applications with radiation characteristics
Externí odkaz:
https://doaj.org/article/97b24d99823d4e068229b85d86c901b6
Autor:
Alshaimaa A F. Kamel, Ahmed M Fahmy, Marwa M Medhat, Wael A E. Ali Elmesallamy, Dina A E. Salem
Publikováno v:
Indian Journal of Anaesthesia, Vol 68, Iss 3, Pp 261-266 (2024)
Background and Aims: Intraoperative regional analgesia and enhanced recovery are standard care models aimed at reducing perioperative opioid use following spine surgeries. This study aimed to examine the analgesic effect of retrolaminar block in prom
Externí odkaz:
https://doaj.org/article/6a0b5f9828d54fc3b42208514389fa7a
Publikováno v:
Wireless Personal Communications. 129:2959-2976
A dual-band 28/38 GHz multiple-input multiple-output (MIMO) two elements antenna for the next 5G network is proposed in this paper. The single element is composed of a slot monopole antenna loaded with stub and a small crescent with an entire size of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c058679f22f8a14403847f881692faf7
https://doi.org/10.1007/s11277-023-10267-w
https://doi.org/10.1007/s11277-023-10267-w
Publikováno v:
International Journal of Microwave and Wireless Technologies. :1-9
In this work, three successive filter models based on defected ground structure (DGS) techniques are designed, fabricated, and tested to be utilized for different wireless applications. The filters are printed on a RO5880 substrate of an overall size
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42fed814a0d59be51d0f8eef66a6fa5d
https://doi.org/10.1017/s1759078722001301
https://doi.org/10.1017/s1759078722001301
Publikováno v:
Microsystem Technologies. 29:431-440
In this paper, a new design of compact Multi Input and Multi Output (MIMO) elliptic ring antenna applied to 5G-UWB wireless mobile communications is discussed. There are two designs, first design consists of two radiators both are perpendicular in si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::faed573cd41eb254142f23f9ee47434a
https://doi.org/10.1007/s00542-022-05383-9
https://doi.org/10.1007/s00542-022-05383-9
Publikováno v:
The Applied Computational Electromagnetics Society Journal (ACES).
In this paper, a band-pass filter (BPF) based on split-ring resonator (SRR) using a 3-D printing technique for C-band applications is introduced. The proposed filter is designed to operate at a frequency of 3.9 GHz. An innovative technique for printi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14860cd6b7e422233c71e3d92b0dd3a7
https://doi.org/10.13052/2022.aces.j.371105
https://doi.org/10.13052/2022.aces.j.371105