Zobrazeno 1 - 10
of 15
pro vyhledávání: '"O. O. Obiyemi"'
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.20 n.2 2021
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 20, Iss 2, Pp 228-247 (2021)
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Volume: 20, Issue: 2, Pages: 228-247, Published: 18 JUN 2021
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 20, Iss 2, Pp 228-247 (2021)
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Volume: 20, Issue: 2, Pages: 228-247, Published: 18 JUN 2021
The dynamic weather condition is a major concern for optimum channel utilization in recent times, especially at higher frequencies with larger bandwidth for 5G applications. Over the years, rain-induced attenuation among the hydrometeors has been lin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f38a2592acf4b54f7e7f993049dd853
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742021000200228
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742021000200228
Publikováno v:
UNIOSUN Journal of Engineering and Environmental Sciences. 2
The objective of this work is to construct a simple and affordable maize shelling machine that is powered by solar energy. The method adopted involves the selection of a direct current (DC) operated motor which consumes less power and is locally avai
Autor:
Olumuyiwa O. Fagbohun, O. O. Obiyemi
Publikováno v:
Advances in Research. 13:1-16
Autor:
N. T. Surajudeen-Bakinde, Abdulkarim A. Oloyede, Maaruf Ali, Lukman A. Olawoyin, Nasir Faruk, O. O. Obiyemi, Abdulhameed Jimoh, Olayiwola W. Bello
Publikováno v:
IET Microwaves, Antennas & Propagation. 12:69-76
Path loss models are essential in the planning of wireless networks. However, the peculiar ambient characteristics of geographical locations necessitate a wide range of these models to take into consideration the different terrain dielectric, scatter
Autor:
O. O. Obiyemi
Publikováno v:
UNIOSUN Journal of Engineering and Environmental Sciences. 1
Ku-band satellite remains the most cost-effective distribution channel for digital television services in terms of global coverage and wide bandwidth availability. However, signal attenuation due to rain remains the bane of the reception quality and
Publikováno v:
Theoretical and Applied Climatology. 129:341-351
In this paper, validation of rain climatic zone classifications for Nigeria is presented based on global radio-climatic models by the International Telecommunication Union-Radiocommunication (ITU-R) and Crane. Rain rate estimates deduced from several
Autor:
Oluwumi Adetan, O. O. Obiyemi
Publikováno v:
Bulletin of Electrical Engineering and Informatics. 5:101-108
The influence of critical raindrop diameters on the specific rainfall attenuation in Durban (29o52'S, 30o58'E), South Africa using various rainfall regimes is analyzed in this paper. Different rain rate values representing drizzle, widespread, shower
Publikováno v:
Environmental Quality Management.
Publikováno v:
Progress In Electromagnetics Research M. 39:115-122
Rain attenuation is a major source of impairment to signal propagation at microwave and millimeter wave bands. The procedures for the estimation of rain attenuation values as regard to microwave signals however rely mainly on 1-minute rain rate stati
Autor:
O. O. Ometan, J. S. Mandeep, A. A. Willoughby, M. O. Adewusi, Mardina Abdullah, O. O. Obiyemi, Sayo A. Akinwumi, T. V. Omotosho
Publikováno v:
2015 International Conference on Space Science and Communication (IconSpace).
Due to the prevailing impact of rain on microwave and millimetre wave propagation in tropical climates, fade margins derived from experimental campaigns would provide more practical estimates for planning. In this paper, the extent of work done on th