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Ubaid Ullah
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Year
Antenna in LTCC technologies: a review and the current state of the art
U Ullah, N Mahyuddin, Z Arifin, MZ Abdullah, A Marzuki
IEEE Antennas and Propagation Magazine 57 (2), 241-260, 2015
482015
A Broadband Circularly Polarized Wide-Slot Antenna with a Miniaturized Footprint
U Ullah, S Koziel
IEEE Antennas and Wireless Propagation Letters, 2018
402018
A review of wideband circularly polarized dielectric resonator antennas
U Ullah, MF Ain, ZA Ahmad
China Communications 14 (6), 65-79, 2017
342017
Enhanced-Performance Circularly Polarized MIMO Antenna With Polarization/Pattern Diversity
U Ullah, IB Mabrouk, S Koziel
IEEE Access 8, 11887 - 11895, 2020
322020
A Geometrically Simple Compact Wideband Circularly Polarized Antenna
U Ullah, S Koziel
IEEE Antennas and Wireless Propagation Letters, 2019
262019
A Compact Circularly Polarized Antenna With Directional Pattern for Wearable Off-Body Communications
U Ullah, IB Mabrouk, S Koziel
IEEE Antennas and Wireless Propagation Letters, 2019
242019
Rapid redesign and bandwidth/size tradeoffs for compact wideband circular polarization antennas using inverse surrogates and fast EM-based parameter tuning
U Ullah, S Koziel, IB Mabrouk
IEEE Transactions on Antennas and Propagation 68 (1), 81-89, 2019
242019
Design of a novel dielectric resonator antenna using MgTiO3–CoTiO3 for wideband applications
U Ullah, WFFW Ali, MF Ain, NM Mahyuddin, ZA Ahmad
Materials & Design 85, 396-403, 2015
222015
Design and optimization of a novel miniaturized low-profile circularly polarized wide-slot antenna
U Ullah, S Koziel
Journal of Electromagnetic Waves and Applications 32 (16), 2099-2109, 2018
172018
An equivalent circuit of microstrip slot coupled rectangular dielectric resonator antenna
MF Ain, MY Qasaymeh, ZA Ahmad, MA Zakariya, U Ullah
172012
Novel Coplanar-Strip-Based Excitation Technique for Design of Broadband Circularly Polarization Antennas with Wide 3-dB Axial Ratio Beamwidth
U Ullah, S Koziel
IEEE Transactions on Antennas and Propagation, 2019
162019
Circular polarization diversity implementation for correlation reduction in wideband low-cost multiple-input-multiple-output antenna
U Ullah, M Al-Hasan, S Koziel, IB Mabrouk
IEEE Access 8, 95585-95593, 2020
132020
Bi-polarized dual-segment rectangular dielectric resonator antenna
MF Ain, U Ullah, ZA Ahmad
IETE Journal of Research 59 (6), 739-743, 2013
112013
Implementation of spatial/polarization diversity for improved-performance circularly polarized multiple-input-multiple-output ultra-wideband antenna
U Ullah, IB Mabrouk, S Koziel, M Al-Hasan
IEEE Access 8, 64112-64119, 2020
102020
Microstrip patch antenna: A review and the current state of the art
ASB Mohammed, S Kamal, MF Ain, ZA Ahmad, U Ullah, M Othman, ...
Journal of Advanced Research in Dynamical and Control Systems 11 (7 (special …, 2019
102019
A series inclined slot-fed circularly polarized antenna for 5G 28 GHz applications
U Ullah, M Al-Hasan, S Koziel, IB Mabrouk
IEEE Antennas and Wireless Propagation Letters 20 (3), 351-355, 2021
92021
A low-profile hybrid multi-permittivity dielectric resonator antenna with perforated structure for Ku and K band applications
IA Zubir, M Othman, U Ullah, S Kamal, MF Ab Rahman, R Hussin, ...
IEEE Access 8, 151219-151228, 2020
92020
A novel multi-permittivity cylindrical dielectric resonator antenna for wideband applications
U Ullah, MF Ain, M Othman, I Zubir, M Mahyuddin, ZA Ahmad, ...
Radioengineering 23 (4), 1071-1076, 2014
92014
A novel lumped LC resonator antenna with air-substrate for 5G mobile terminals
S Kamal, ASB Mohammed, MFB Ain, F Najmi, R Hussin, ZA Ahmad, ...
Electromagnetics Academy, 2020
82020
Mathematical Modelling on the Effects of Conductive Material and Substrate Thickness for Air Substrate Microstrip Patch Antenna
ASB Mohammed, S Kamal, MF bin Ain, R Hussin, ZA Ahmad, U Ullah, ...
ACES JOURNAL 35 (6), 674-680, 2020
72020
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