| 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 | 57 | 2015 |
| A Broadband Circularly Polarized Wide-Slot Antenna with a Miniaturized Footprint U Ullah, S Koziel IEEE Antennas and Wireless Propagation Letters, 2018 | 55 | 2018 |
| Enhanced-Performance Circularly Polarized MIMO Antenna With Polarization/Pattern Diversity U Ullah, IB Mabrouk, S Koziel IEEE Access 8, 11887 - 11895, 2020 | 51 | 2020 |
| A review of wideband circularly polarized dielectric resonator antennas U Ullah, MF Ain, ZA Ahmad China Communications 14 (6), 65-79, 2017 | 41 | 2017 |
| 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 | 40 | 2019 |
| A Geometrically Simple Compact Wideband Circularly Polarized Antenna U Ullah, S Koziel IEEE Antennas and Wireless Propagation Letters, 2019 | 36 | 2019 |
| 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 | 34 | 2019 |
| 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 | 27 | 2015 |
| 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 | 26 | 2019 |
| 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 | 22 | 2021 |
| 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 | 21 | 2020 |
| 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 | 21 | 2019 |
| 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 | 20 | 2018 |
| 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 | 18 | 2021 |
| 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 | 18 | 2020 |
| 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 | 17 | 2012 |
| 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 | 16 | 2021 |
| 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 | 14 | 2020 |
| 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 | 14 | 2019 |
| A Simple-Topology Compact Broadband Circularly Polarized Antenna With Unidirectional Radiation Pattern U Ullah, S Koziel, I Mabrouk IEEE Antennas and Wireless Propagation Letters, 2019 | 14 | 2019 |
zainal arifin ahmaduniversiti sains malaysiaVerified email at usm.my
