Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Steven M.R. Jones"'
Publikováno v:
AEU - International Journal of Electronics and Communications. 69:1321-1327
A novel beam-forming module based on Wilkinson power divider technology, including attenuators and phase shifter chips is designed, fabricated and evaluated to be incorporated in a Relay Station connecting it with the Base Station under a 4G network.
Autor:
Steven M.R. Jones, Y. A. S. Dama, Kelvin Anoh, Raed A. Abd-Alhameed, M.C. Chukwu, O. Ochonogor
Publikováno v:
British Journal of Mathematics & Computer Science. 5:49-64
A quasi -orthogonal space time block coding (QO -STBC) scheme that exploits Hadamard matrix properties is studied and evaluated. At first, an analytical solution is derived as an extension of some earlier proposed QO-STBC scheme based on Hadamard mat
Publikováno v:
2017 Internet Technologies and Applications (ITA).
Millimeter-wave indoor propagation characteristics including path loss models and multipath delay spread values for systems using directional and omnidirectional antennas are presented. The performance of the four 5G candidate frequencies, 28 GHz, 39
Publikováno v:
AEU - International Journal of Electronics and Communications. 68:616-622
The Daubechies, coiflet and symlet wavelets, with properties of orthogonal wavelets are suitable for multicarrier transmission over band-limited channels. It has been shown that similar wavelets can be constructed by Lagrange approximation interpolat
Publikováno v:
Progress In Electromagnetics Research C. 51:1-10
In this paper two novel antennas, suitable for access and backhaul links, are designed, fabricated and tested for a Relay Station in a WiMAX wireless network. A single modifled E-shaped patch antenna is described, presenting 10dB gain over 12.4% band
Autor:
Abdulhadi AbouAlmal, Steven M.R. Jones, M. M. Abusitta, Raed A. Abd-Alhameed, H. Alhassan, H. A. Obeidat, Hussein AlAhmad
Publikováno v:
2015 Loughborough Antennas & Propagation Conference (LAPC).
In this paper, long-term meteorological data are measured using six fixed surface weather stations and one radiosonde in the subtropical Arabian Gulf region, in particular United Arab Emirates (UAE). The surface refractivity profiles, Ns, and refract
Autor:
M.J. Ngala, G. N. Okorafor, Trust T. Mapoka, Kelvin Anoh, Raed A. Abd-Alhameed, Steven M.R. Jones
Publikováno v:
2015 Internet Technologies and Applications (ITA).
Modern telecommunication systems are piqued for/by high data rate to improve reception quality. High data rate can be, naively, achieved using increased bandwidth. Since bandwidth is a limited resource, we study a method of maximizing system performa
Autor:
Steven M.R. Jones, H. A. Obeidat, J. M. Noras, Raed A. Abd-Alhameed, M. Abousitta, H. Alhassan, Khalid G. Samarah, Wafa Shuaieb
Publikováno v:
2015 Internet Technologies and Applications (ITA).
A comparison is carried out among indoor localization algorithms using received signal strength, namely the vector algorithm, and the Modified Comparative Received Signal Strength (MCRSS) algorithm. The study considered comparisons on the performance
Publikováno v:
2015 Internet Technologies and Applications (ITA).
In this paper, seventeen years of radiosonde meteorological data from 1997–2013 are analyzed for the subtropical Arabian Gulf region. The upper air refractivity, N h , and vertical refractivity gradient, ΔN, are determined in the low troposphere u
Autor:
T. Suggett, S. Zhu, Raed A. Abd-Alhameed, S. Marker, T. Van Buren, Steven M.R. Jones, T. S. Ghazaany, James M. Noras
Publikováno v:
The 8th European Conference on Antennas and Propagation (EuCAP 2014).
A low-profile (λ/43) miniaturized multi-element antenna is presented, which displays vertical polarization with an omni-directional radiation pattern. The antenna uses a logarithmic spiral shape as the main radiating element such that the impedance