Follow
Ubaid Ullah
Title
Cited by
Cited by
Year
Enhanced-Performance Circularly Polarized MIMO Antenna With Polarization/Pattern Diversity
U Ullah, IB Mabrouk, S Koziel
IEEE Access 8, 11887 - 11895, 2020
752020
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
672015
A Broadband Circularly Polarized Wide-Slot Antenna with a Miniaturized Footprint
U Ullah, S Koziel
IEEE Antennas and Wireless Propagation Letters, 2018
582018
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
532019
A review of wideband circularly polarized dielectric resonator antennas
U Ullah, MF Ain, ZA Ahmad
China Communications 14 (6), 65-79, 2017
452017
A Geometrically Simple Compact Wideband Circularly Polarized Antenna
U Ullah, S Koziel
IEEE Antennas and Wireless Propagation Letters, 2019
412019
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
382019
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
352019
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
352015
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
342021
Low-cost modeling of microwave components by means of two-stage inverse/forward surrogates and domain confinement
S Koziel, A Pietrenko-Dabrowska, U Ullah
IEEE Transactions on Microwave Theory and Techniques 69 (12), 5189-5202, 2021
312021
Series-slot-fed circularly polarized multiple-input–multiple-output antenna array enabling circular polarization diversity for 5G 28 GHz indoor applications
U Ullah, M Al-Hasan, S Koziel, IB Mabrouk
IEEE Transactions on Antennas and Propagation 69 (9), 5607-5616, 2021
302021
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
262020
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
262020
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
232018
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
222019
A review of microstrip patch antenna design at 28 Ghz for 5G applications system
ASB Mohammed, S Kamal, MF Ain, ZA Ahmad, U Ullah, M Othman, ...
International Journal of Scientific and Technology Research 8 (10), 341-352, 2019
192019
Mathematical model on the effects of conductor thickness on the centre frequency at 28 GHz for the performance of microstrip patch antenna using air substrate for 5G application
ASB Mohammed, S Kamal, MFB Ain, R Hussin, F Najmi, SA Sundi, ...
Alexandria Engineering Journal 60 (6), 5265-5273, 2021
182021
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
172020
An equivalent circuit of microstrip slot coupled rectangular dielectric resonator antenna
MF Ain, ZA Ahmad, MA Zakariya, U Ullah
Progress in Electromagnetics Research Symposium, PIERS 2012 Kuala Lumpur …, 2012
172012
The system can't perform the operation now. Try again later.
Articles 1–20