Dr Khalid Rajab
Lecturer
School of Electronic Engineering and Computer Science
Queen Mary University of London
Queen Mary University of London
Research
Millimetrewave radar, Sensing for health & wellbeing, IoT sensors, Ambient sensing, Machine learning & AI
Publications
Publications of specific relevance to the Centre for Electronics2024
Dogu E, Paredes J, Alomainy A, Jones J and Rajab K (2024). A Falls Risk Screening Tool Based on Millimetre-Wave Radar. Proceedings of the 10th International Conference on Information and Communication Technologies for Ageing Well and e-Health. 06-05-2024
Paredes JA, Hansard M, Rajab KZ and Álvarez FJ (2024). Spatial Calibration of Millimeter-Wave Radar for Close-Range Object Location. IEEE Sensors Journal, Institute of Electrical and Electronics Engineers (IEEE) vol. 24 (12), 19407-19416. 15-01-2024
2022
Yu Z, Taha A, Taylor W, Zahid A, Rajab K, Heidari H, Imran MA and Abbasi QH (2022). A Radar-Based Human Activity Recognition Using a Novel 3-D Point Cloud Classifier. IEEE Sensors Journal, Institute of Electrical and Electronics Engineers (IEEE) vol. 22 (19), 18218-18227. 01-01-2022
2021
Rajab KZ, Wu B, Alizadeh P and Alomainy A (2021). Multi-target tracking and activity classification with millimeter-wave radar. Applied Physics Letters, AIP Publishing vol. 119 (3) 19-07-2021
Paredes JA, Álvarez FJ, Hansard M and Rajab KZ (2021). A Gaussian Process model for UAV localization using millimetre wave radar. Expert Systems with Applications, Elsevier vol. 185 16-07-2021
Paredes JA, Hansard M, Rajab KZ, Álvarez FJ and Aguilera T (2021). Drone Positioning From Combined mmWave Radar and Depth Camera Data. 01-01-2021
2019
Mishra S, Rammohan S, Rajab KZ, Dhillon G, Lambiase P, Hunter R and Chew E (2019). Atrial Fibrillation Stratification Via Super-Resolution Analysis of Fibrillatory Waves. 2019 Computing in Cardiology Conference (CinC). 30-12-2019
Farooq H, Rajab KZ and Hao Y (2019). Noise figure of electromagnetic systems with parity and time-reversal symmetry. Optics Express vol. 27 (22), 31363-31375. 28-10-2019
Mishra S, Rammohan S, Rajab KZ, Dhillon G, Lambiase P, Hunter R and Chew E (2019). Atrial Fibrillation Stratification Via Super-Resolution Analysis of Fibrillatory Waves. 01-09-2019
Farooq H, Nagarkoti DS, Rajab KZ and Hao Y (2019). Noise Figure of a Unidirectional Cloaking Circuit Based on Parity-Time Symmetry. 01-03-2019
2018
FALADE OP, JILANI SFJ, RAJAB S, Ahmed AY, Wildsmith T, Reip P and ALOMAINY AHM (2018). Design and characterisation of a screen-printed millimetre-wave flexible metasurface using copper ink for communication applications. Flexible and Printed Electronics, IOP Publishing 24-11-2018
Aziz AK, Zhang L, Hao Y and Rajab KZ (2018). Ultrashort pulse synthesis for energy concentration control in nanostructures. Optics Express, Optica Publishing Group vol. 26 (19), 25188-25198. 12-09-2018
Aziz AK, Jilani SF, Alomainy A and Rajab KZ (2018). High Sensitivity Inkjet-Printed Terahertz Metallic Hole Array Sensor. 12th European Conference on Antennas and Propagation (EuCAP 2018). 01-01-2018
2017
Yang L, Tian J, Rajab KZ and Hao Y (2017). FDTD Modeling of Nonlinear Phenomena in Wave Transmission through Graphene. IEEE Antennas and Wireless Propagation Letters 09-12-2017
Alizadeh P, Parini CG and Rajab KZ (2017). Optically reconfigurable unit cell for Ka‐band reflectarray antennas. Electronics Letters, Institution of Engineering and Technology (IET) vol. 53 (23), 1526-1528. 01-11-2017
Tian J, Nagarkoti DS, Rajab KZ and Hao Y (2017). High-Impedance Surface Loaded With Graphene Non-Foster Circuits for Low-Profile Antennas. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers (IEEE) vol. 16, 2655-2658. 31-08-2017
YANG L, Rajab SAYID-KHALID and Chew E (2017). Filter Diagonalisation Method for Music Signal Analysis: Frame-wise Vibrato Detection and Estimation. Journal of Mathematics and Music, Taylor & Francis: STM, Behavioural Science and Public Health Titles 14-03-2017
Nagarkoti DS, Rajab KZ and Hao Y (2017). Non-Foster Impedance Design Techniques for High Performance Small Antenna. 2017 11th European Conference on Antennas and Propagation (EUCAP). 01-03-2017
2016
Bao D, Rajab KZ, Jiang WX, Cheng Q, Liao Z and Cui TJ (2016). Experimental demonstration of compact spoof localized surface plasmons. Optics Letters, Optica Publishing Group vol. 41 (23), 5418-5421. 16-11-2016
Li W, Rajab KZ, Alhoefer K, Zupancic B and Barras J (2016). Broadband Matching of Nuclear Quadrupole Resonance Detector Using Non-Foster Circuits. 2016 Loughborough Antennas & Propagation Conference (LAPC). 01-11-2016
Alizadeh P, Parini C and Rajab KZ (2016). A Ka-Band Reflectarray with Variable Amplitude Unit Cells. 2016 46th European Microwave Conference (EuMC). 01-10-2016
YANG L, Rajab SAYID-KHALID and Chew E (2016). AVA: A Graphical User Interface for Automatic Vibrato and Portamento Detection and Analysis. the 42nd International Computer Music Conference Utrecht, The Netherlands 12 Sep 2016 - 16 Sep 2016. 12-09-2016
YANG L, Rajab SAYID-KHALID and Chew E (2016). AVA: An Interactive System for Visual and Quantitative Analyses of Vibrato and Portamento Performance Styles. the 17th International Society for Music Information Retrieval Conference New York City, USA 7 Aug 2016 - 11 Aug 2016. 07-08-2016
Tian J, Nagarkoti DS, Rajab KZ and Hao Y (2016). Graphene-based tunable non-foster circuit for VHF applications. AIP Advances, AIP Publishing: Open Access Journals vol. 6 (6), 065202-065202. 01-06-2016
Nagarkoti DS, Hao Y and Rajab KZ (2016). Signal to Noise Ratio Improvement with Non-Foster Antenna Matching. 2016 IEEE International Symposium on Antennas and Propagation (APSURSI). 01-06-2016
Nagarkoti DS, Hao Y and Rajab KZ (2016). Radiation-Q Bound of a Small Non-Foster Antenna. 2016 IEEE International Symposium on Antennas and Propagation (APSURSI). 01-06-2016
Fan Y, Nagarkoti DS, Rajab KZ, Hao Y, Zhang HC and Cui TJ (2016). Wave propagation in reconfigurable broadband gain metamaterials at microwave frequencies. Journal of Applied Physics vol. 119 (19) 19-05-2016
ANDY A, Alizadeh P, Rajab KZ, Kreouzis T and Donnan (2016). An Optically-Switched Frequency Reconfigurable Antenna for Cognitive Radio Applications. 10th European Conference on Antennas and Propagation (EuCAP) Davos,Switzerland 10 Apr 2016 - 15 Apr 2016. 10-04-2016
Alizadeh P, Andy AS, Parini C and Rajab KZ (2016). A Reconfigurable Reflectarray Antenna in Ka-Band Using Optically Excited Silicon. 2016 10th European Conference on Antennas and Propagation (EuCAP). 01-04-2016
Nagarkoti DS, Hao Y and Rajab KZ (2016). Q-Bandwidth Enhancement of an Antenna Using Non-Foster Circuit Based on Negative Differential Resistance Devices. 2016 10th European Conference on Antennas and Propagation (EuCAP). 01-04-2016
2015
Nagarkoti DS, Hao Y, Steenson DP, Li L, Linfield EH and Rajab KZ (2015). Design of Broadband Non-Foster Circuits Based on Resonant Tunneling Diodes. IEEE Antennas and Wireless Propagation Letters vol. 15, 1398-1401. 22-12-2015
Alizadeh P, Parini C and Rajab KZ (2015). A Low-cost FMCW Radar Front End for Imaging at 24 GHz 33 GHz. 2015 Loughborough Antennas & Propagation Conference (LAPC). 01-11-2015
Nagarkoti DS, Hao Y and Rajab KZ (2015). Noise measurements of a non-Foster circuit for matching of a receiver antenna. 27-08-2015
Nagarkoti DS, Alizadeh P, Hao Y and Rajab KZ (2015). Stability Analysis of Resonant Tunnelling Diode for Resistive Matching of an Electrically Small Antenna. 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. 01-07-2015
2014
Nagarkoti DS, Rajab KZ and Hao Y (2014). Design and Stability of Negative Impedance Circuits for Non-Foster Matching of a Monopole Antenna. The 8th European Conference on Antennas and Propagation (EuCAP 2014). 01-04-2014
2013
Fan Y, Rajab KZ and Hao Y (2013). Noise power in active broadband metamaterials. IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 1178-1179. 01-12-2013
YANG L, Chew E and Rajab SAYID-KHALID (2013). Vibrato Performance Style: A Case Study Comparing Erhu and Violin. the 10th International Conference on Computer Music Multidisciplinary Research Marseille, France 15 Oct 2013 - 18 Oct 2013. 15-10-2013
Rajab KZ, Fan Y and Hao Y (2013). Recent Advances in Practical Metamaterial Engineering. Additional Conferences (Device Packaging HiTEC HiTEN & CICMT), IMAPS - International Microelectronics Assembly and Packaging Society vol. 2013 (CICMT), 000094-000098. 01-09-2013
Fan Y, Rajab KZ and Hao Y (2013). Noise analysis of broadband active metamaterials with non-Foster loads. JOURNAL OF APPLIED PHYSICS vol. 113 (23) 01-01-2013
Bao D, Mitchell-Thomas RC, Rajab KZ and Hao Y (2013). Quantitative Study of Two Experimental Demonstrations of a Carpet Cloak. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS vol. 12, 206-209. 01-01-2013
2012
Rajab KZ, Munoz M, Fan Y, Bao D and Hao Y (2012). Recent advances in practical metamaterial engineering. 01-12-2012
Rajab KZ, Munoz M, Fan Y, Bao D and Hao Y (2012). Recent Advances in Practical Metamaterial Engineering. Additional Conferences (Device Packaging HiTEC HiTEN & CICMT), IMAPS - International Microelectronics Assembly and Packaging Society vol. 2012 (CICMT), 000113-000116. 01-09-2012
Fan Y, Raiab KZ, Munoz M and Hao Y (2012). Electrically Small Half-Loop Antenna Design with Non-Foster Matching Networks. 2012 6th European Conference on Antennas and Propagation (EUCAP). 01-03-2012
Bao D, Rajab KZ, Tang W and Hao Y (2012). Experimental Demonstration of Carpet Cloak Realized with BaTiO3-loaded Polyurethane Foam. 2012 6th European Conference on Antennas and Propagation (EUCAP). 01-03-2012
Katsounaros A, Mann M, Naftaly M, Rajab K, HAO Y and Milne WI (2012). Terahertz time-domain spectroscopy characterisation of vertically aligned carbon nanotube films. Carbon, Elsevier Ltd vol. 50 (3), 939-942. 01-01-2012
Rajab KZ, Fan YF and Hao Y (2012). Characterization of active metamaterials based on negative impedance converters. JOURNAL OF OPTICS vol. 14 (11) 01-01-2012
2011
Katsounaros A, Rajab KZ, Hao Y, Mann M and Milne WI (2011). Microwave characterization of multi-walled carbon nanotube arrays. 01-12-2011
Bao D, Rajab KZ, Hao Y, Kallos E, Tang WX, Argyropoulos C, Piao YZ and Yang SF (2011). All-dielectric invisibility cloaks made of BaTiO3-loaded polyurethane foam. New Journal of Physics, IOP Publishing vol. 13 19-10-2011
Katsounaros A, Rajab KZ, Hao Y, Mann M and Milne WI (2011). X-band Characterization of Multi-Walled Carbon Nanotube Films. 2011 International Conference on Electromagnetics in Advanced Applications. 01-09-2011
Bao D, Rajab KZ, Tang W and Hao Y (2011). Broadband extraordinary transmission device realized with dielectrics. 01-07-2011
Katsounaros A, Rajab KZ, Hao Y, Mann M and Milne WI (2011). Microwave characterization of vertically aligned multiwalled carbon nanotube arrays. APPL PHYS LETT vol. 98 (20) 16-05-2011
Rajab KZ, Fan Y, Bao D, Rahman A and Hao Y (2011). Active Circuits for Improved Metamaterial Performance. 2011 International Workshop on Antenna Technology (iWAT). 01-03-2011
2010
Bao D, Rajab KZ, Tang WX and Haob Y (2010). Experimental demonstration of broadband transmission through subwavelength aperture. APPL PHYS LETT vol. 97 (13) 27-09-2010
Rajab KZ, Hao Y, Bao D, Parini CG, Vazquez J and Philippakis M (2010). Stability of active magnetoinductive metamaterials. J APPL PHYS vol. 108 (5) 01-09-2010
Rajab KZ, Hao Y, Bao D, Parini C, Vazquez J, Philippakis M, Wilmot S and Pearson R (2010). Broadband Active Magnetic Materials. 01-01-2010
Katsounaros A, Rajab KZ, Hou K, Mann M, Naftaly M, Collings N, Crossland WA and Hao Y (2010). Refractive Index Evaluation of Multi-Walled Carbon Nanotube Arrays. 01-01-2010
2009
Rajab KZ, Dougherty JP and Lanagan MT (2009). Dielectric Properties at Millimeter‐Wave and THz Bands. Advanced Millimeter‐Wave Technologies 49-69. 26-02-2009
2008
Feteira A, Sinclair DC, Rajab KZ and Lanagan MT (2008). Crystal structure and microwave dielectric properties of alkaline-earth hafnates, AHfO(3) (A = Ba, Sr, Ca). J AM CERAM SOC vol. 91 (3), 893-901. 01-03-2008
Rajab KZ, Naftaly M, Linfield EH, Nino JC, Arenas D, Tanner D, Mittra R and Lanagan M (2008). Broadband Dielectric Characterization of Aluminum Oxide (Al2O3). Journal of Microelectronics and Electronic Packaging, IMAPS - International Microelectronics Assembly and Packaging Society vol. 5 (1), 2-7. 01-01-2008
Lanagan MT, Rajab K, Kwon DK, Semouchkin G, Semouchkina E and Iwasaki M (2008). Ceramic Dielectric Materials for Microwave Resonator Arrays. 01-01-2008
2007
Rajab KZ, Naftaly M, Linfield EH, Nino JC, Arenas D, Tanner D, Mittra R and Lanagan M (2007). Broadband dielectric characterization of aluminum oxide (Al 01-12-2007
Rajab KZ, Mittra R, Naftaly M, Linfield EH and Lanagan MT (2007). Terahertz transmission through periodic arrays of dielectric and conducting spheres. 2007 IEEE Antennas and Propagation Society International Symposium. 01-06-2007
Rajab KZ, Mittra R and Lanagan MT (2007). Size reduction of microstrip patch antennas with left-handed transmission line loading. IET MICROW ANTENNA P vol. 1 (1), 39-44. 01-02-2007
Rajab KZ, Mittra R, Naftaly M, Linfield EH and Lanagan MT (2007). Terahertz transmission through periodic arrays of dielectric and conducting sphere. 01-01-2007
2006
Rajab KZ, Perini S, Dougherty J, Iwasaki M and Lanagan M (2006). Dielectric characterization of dielectric ceramic materials using terahertz time-domain spectroscopy. 01-12-2006
Rajab KZ, Mittra R and Lanagan M (2006). Phase verification of compact multilayered low temperature co-fired ceramic composite right-/left-handed transmission line. MICROW OPT TECHN LET vol. 48 (9), 1792-1795. 01-09-2006
Iwasaki M, Semouchkina EA, Semouchkin GB, Rajab KZ, Randall CA and Lanagan MT (2006). Symmetry matching of hybrid modes for dielectric metamaterials. JPN J APPL PHYS 1 vol. 45 (4A), 2835-2841. 01-04-2006
Bringuier J, Mittra R, Rajab K, Gonzalez JI and Lanagan MT (2006). Size reduction of Microstrip Patch Antennas via Artificial Dielectric Loading. 2006 IEEE Antennas and Propagation Society International Symposium. 01-01-2006
Mittra P, Bringuier J, Abdel-Mageed M, Rajab K and Gonzalez JI (2006). Some novel techniques for size reduction of microstrip patch antennas. 01-01-2006
2005
Haney L, Lanagan M, Perini S, Rajab K and Semouchkina E (2005). Characterization of dielectrics and conductors for ceramic microsystems at microwave frequency. 01-12-2005
Baker A, Lanagan M, Randall C, Seniouchkina E, Semouchkin G, Rajab KZ, Mittra R, Eitel R, Rliee S, Geggier P and Fulir G (2005). Integration concepts for the fabrication of LTCC structures. 01-12-2005
Rajab KZ, Fuh KF, Mittra R and Lanagan M (2005). Dielectric property measurement using a resonant nonradiative-dielectric waveguide structure. IEEE MICROW WIREL CO vol. 15 (2), 104-106. 01-02-2005
Baker A, Lanagan M, Randall C, Semouchkina E, Semouchkin G, Rajah KZ, Eitel R, Rajab KZ, Mittra R, Rhee S, Geggier P, Duschl C and Fuhr G (2005). Integration concepts for the fabrication of LTCC structures. INT J APPL CERAM TEC vol. 2 (6), 514-520. 01-01-2005
Rajab KZ, Mittra R and Lanagan MT (2005). Size Reduction of Microstrip Antennas using Metamaterials. 2005 IEEE Antennas and Propagation Society International Symposium. 01-01-2005
Mittra R, Bringuier J, Abdel-Mageed M, Rajab K and Gonzalez JI (2005). Some novel techniques for size reduction of microstrip patch antennas., Editors: Hong W, Cui TJ and Fang D. 01-01-2005
Grants
Grants of specific relevance to the Centre for ElectronicsSmart sensors for a wearable-free and contactless virtual ward at homeSayid-Khalid Rajab, Akram Alomainy and Janelle Jones
£396,049 EPSRC Engineering and Physical Sciences Research Council (01-10-2022 - 31-01-2025)