Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Mustafa M. Abd Elnaby"'
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 9, Pp 7233-7264 (2022)
In this paper, a new hybrid beamforming approach based on the 2D convolution and genetic algorithm (GA), denoted as C/GA, is proposed for side lobe level (SLL) reduction and size miniaturization of planar antenna arrays (PAA). The convolution algorit
Externí odkaz:
https://doaj.org/article/9497e993e2d84508a944b66e9c6ebdd7
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 8, Pp 5903-5917 (2022)
In this paper, a new optimized quadrant pyramid antenna array (O-QPAA) structure is proposed for back lobe minimization of planar antenna arrays (PAA). Based on the PAA size, it is thought to be formed of a number of concentric co-planar squared ante
Externí odkaz:
https://doaj.org/article/be7eff20118e467aa77fdf87aa24b469
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 6, Pp 4623-4645 (2022)
The presence of array back lobe is a major source of interference, power loss, and degrades the signal-to-interference ratio (SIR) in wireless communication systems. In this paper, new distributed beamforming techniques based on an optimized elliptic
Externí odkaz:
https://doaj.org/article/216a9cd266a7495492e4723d279082d6
Autor:
Amal Fawzy Abd El-Rahman, Mustafa M. Abd Elnaby, Salah Khamis, Sameh Napoleon, Fathi E. Abd El-Samie
Publikováno v:
Annals of Data Science. 9:1149-1159
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9758c8d87beef0a49b8613e8cbd8e76
https://doi.org/10.1007/s40745-022-00413-9
https://doi.org/10.1007/s40745-022-00413-9
Publikováno v:
Wireless Personal Communications. 124:1899-1921
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8df2c0753e30adcb70456f0786dbcf7c
https://doi.org/10.1007/s11277-021-08384-5
https://doi.org/10.1007/s11277-021-08384-5
Autor:
Said E. El-Khamy, Ibrahim F. Elashry, Ensherah A. Naeem, Noha Ramadan, Osama S. Faragallah, Hossam Eldin H. Ahmed, Walid El-Shafai, Mustafa M. Abd Elnaby, Fathi E. Abd El-Samie
Publikováno v:
Journal of Ambient Intelligence and Humanized Computing. 14:1837-1875
Biometric recognition schemes are commonly utilized for security purposes. These schemes face two major challenges: security challenge and reliance on a particular biometric for authentication. The protection challenge comes from the use of basic bio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c841788f2a86b0ac820a351a2d73937d
https://doi.org/10.1007/s12652-021-03398-0
https://doi.org/10.1007/s12652-021-03398-0
Publikováno v:
2022 International Telecommunications Conference (ITC-Egypt).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d2b1986a5c8e13496c884ee54290424
https://doi.org/10.1109/itc-egypt55520.2022.9855723
https://doi.org/10.1109/itc-egypt55520.2022.9855723
Publikováno v:
International Journal of Speech Technology. 24:205-218
Biometric template protection of speech signals and information hiding in speech signals are two challenging issues. To resolve such limitations and increase the level of security, our objective is to build multi-level security systems based on speec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb3a8cc30668898a08b1a7f130179222
https://doi.org/10.1007/s10772-019-09658-x
https://doi.org/10.1007/s10772-019-09658-x
Publikováno v:
IEEE Access, Vol 9, Pp 90306-90318 (2021)
The number of elements reduction in different antenna array configurations such as linear, circular, rectangular, planar, and non-planar is of main concern for several research groups. This minimizes the complexity of the feeding network in static an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be62b7318b3bd20a2562a7c6d300eb42
https://ieeexplore.ieee.org/document/9462102/
https://ieeexplore.ieee.org/document/9462102/
Publikováno v:
IEEE Access. 9:38202-38220
The synthesis of pencil beam and arbitrarily shaped beam patterns of linear antenna arrays (LAA) using reduced number of antenna elements attracts the attention of researchers in recent years. In this paper, a hybrid beamforming technique based on th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71a90375d395de0dae54fe7816480710
https://doi.org/10.1109/access.2021.3063219
https://doi.org/10.1109/access.2021.3063219