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  1. Queen Mary University of London
  2. Research
  3. Publications

Publications: DR Khalid Rajab

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( 2026 ) . Parameterising the effect of human occupancy and kinetic energy on indoor air pollution . npj Climate and Atmospheric Science vol. 9 , ( 1 )
Dogu E, Paredes JA, Alomainy A, Jones JM, Rajab KZ ( 2025 ) . Reimagining falls prevention with insights from systems mapping on the use of millimetre-wave radar for remote health monitoring . Scientific Reports vol. 15 , ( 1 )
Parralejo F, Paredes JA, Álvarez FJ, Rajab KZ, Dogu E ( 2025 ) . Challenges Behind Heart Rate Extraction Using mmWave Radar Due to External Factors . Conference: 2025 IEEE Medical Measurements & Applications (MeMeA) vol. 00 , 1 - 6 .
Guo K, Dogu E, Rajab KZ ( 2025 ) . Automated Segmentation of the Timed-Up-And-Go Test Using Millimetre-Wave Radar Sensors for Mobility Assessment . Conference: 2025 6th International Conference on Computing, Networks and Internet of Things (CNIOT) vol. 00 , 1 - 6 .
Dogu E, Jones JM, Alomainy A, Rajab KZ ( 2025 ) . An IoT System for Continuous Fall Risk Screening at Home with Millimetre-Wave Radar . Complex Networks & Their Applications XIII , vol. 1187 , Springer Nature
Paredes JA, Hansard M, Rajab KZ ( 2024 ) . Spatial Calibration of Millimeter-Wave Radar for Close-Range Object Location . IEEE Sensors Journal vol. 24 , ( 12 ) 19407 - 19416 .
Dogu E, Paredes J, Alomainy A, Jones J, Rajab K ( 2024 ) . A Falls Risk Screening Tool Based on Millimetre-Wave Radar . Conference: Proceedings of the 10th International Conference on Information and Communication Technologies for Ageing Well and e-Health161 - 168 .
Yu Z, Taha A, Taylor W, Zahid A, Rajab K ( 2022 ) . A Radar-Based Human Activity Recognition Using a Novel 3-D Point Cloud Classifier . IEEE Sensors Journal vol. 22 , ( 19 ) 18218 - 18227 .
Paredes JA, Álvarez FJ, Hansard M, Rajab KZ ( 2021 ) . A Gaussian Process model for UAV localization using millimetre wave radar . Expert Systems with Applications vol. 185 ,
Rajab KZ, Wu B, Alizadeh P, Alomainy A ( 2021 ) . Multi-target tracking and activity classification with millimeter-wave radar . Applied Physics Letters vol. 119 , ( 3 )
Paredes JA, Hansard M, Rajab KZ ( 2021 ) . Drone Positioning From Combined mmWave Radar and Depth Camera Data . Ceur Workshop Proceedings . vol. 3097 ,
Mishra S, Rammohan S, Dhillon G, Lambiase P . Atrial Fibrillation Stratification Via Super-Resolution Analysis of Fibrillatory Waves . 2016 Computing in Cardiology Conference (CinC) . Conference: 2019 Computing in Cardiology Conference (CinC) vol. 45 ,
Farooq H, Rajab KZ, Hao Y ( 2019 ) . Noise figure of electromagnetic systems with parity and time-reversal symmetry . Optics Express vol. 27 , ( 22 ) 31363 - 31375 .
Mishra S, Rammohan S, Rajab KZ, Lambiase P, Hunter R ( 2019 ) . Atrial Fibrillation Stratification Via Super-Resolution Analysis of Fibrillatory Waves . Computing in Cardiology . vol. 2019-September ,
Farooq H, Nagarkoti DS, Rajab KZ, Hao Y ( 2019 ) . Noise Figure of a Unidirectional Cloaking Circuit Based on Parity-Time Symmetry . 13th European Conference on Antennas and Propagation Eucap 2019 .
Falade OP, Jilani SF, Ahmed AY, Wildsmith T, Reip P, Rajab KZ, Alomainy A ( 2018 ) . Design and characterisation of a screen-printed millimetre-wave flexible metasurface using copper ink for communication applications . Flexible and Printed Electronics vol. 3 , ( 4 )
Aziz AK, Zhang L, Hao Y, Rajab KZ ( 2018 ) . Ultrashort pulse synthesis for energy concentration control in nanostructures . Optics Express vol. 26 , ( 19 ) 25188 - 25198 .
Aziz AK, Jilani SF, Alomainy A, Rajab KZ ( 2018 ) . High Sensitivity Inkjet-Printed Terahertz Metallic Hole Array Sensor . Conference: 12th European Conference on Antennas and Propagation (EuCAP 2018)
Yang L, Tian J, Rajab KZ, Hao Y ( 2017 ) . FDTD Modeling of Nonlinear Phenomena in Wave Transmission Through Graphene . IEEE Antennas and Wireless Propagation Letters vol. 17 , ( 1 ) 126 - 129 .
Alizadeh P, Parini CG ( 2017 ) . Optically reconfigurable unit cell for Ka‐band reflectarray antennas . Electronics Letters vol. 53 , ( 23 ) 1526 - 1528 .
Tian J, Nagarkoti DS, Rajab KZ, Hao Y ( 2017 ) . High-Impedance Surface Loaded With Graphene Non-Foster Circuits for Low-Profile Antennas . IEEE Antennas and Wireless Propagation Letters vol. 16 , 2655 - 2658 .
Yang L, Rajab KZ, Chew E ( 2017 ) . The filter diagonalisation method for music signal analysis: frame-wise vibrato detection and estimation . Journal of Mathematics and Music vol. 11 , ( 1 ) 42 - 60 .
Nagarkoti DS, Rajab KZ, Hao Y ( 2017 ) . Non-Foster Impedance Design Techniques for High Performance Small Antenna . Conference: 2017 11th European Conference on Antennas and Propagation (EUCAP)2517 - 2518 .
Bao D, Rajab KZ, Jiang WX, Liao Z ( 2016 ) . Experimental demonstration of compact spoof localized surface plasmons . Optics Letters vol. 41 , ( 23 ) 5418 - 5421 .
Li W, Rajab KZ, Alhoefer K, Zupancic B ( 2016 ) . Broadband Matching of Nuclear Quadrupole Resonance Detector Using Non-Foster Circuits . Conference: 2016 Loughborough Antennas & Propagation Conference (LAPC)1 - 5 .
Alizadeh P, Parini C ( 2016 ) . A Ka-Band Reflectarray with Variable Amplitude Unit Cells . Conference: 2016 46th European Microwave Conference (EuMC)1295 - 1298 .
YANG L, Rajab SAYID-KHALID ( 2016 ) . AVA: A Graphical User Interface for Automatic Vibrato and Portamento Detection and Analysis . Conference: the 42nd International Computer Music Conference ( Utrecht, The Netherlands ) from: 12/09/2016 to: 16/09/2016 ,
YANG L, Rajab SAYID-KHALID ( 2016 ) . AVA: An Interactive System for Visual and Quantitative Analyses of Vibrato and Portamento Performance Styles . Conference: the 17th International Society for Music Information Retrieval Conference ( New York City, USA ) from: 07/08/2016 to: 11/08/2016 ,
Tian J, Nagarkoti DS, Rajab KZ, Hao Y ( 2016 ) . Graphene-based tunable non-foster circuit for VHF applications . AIP Advances vol. 6 , ( 6 )
Nagarkoti DS, Hao Y, Rajab KZ ( 2016 ) . Radiation-Q Bound of a Small Non-Foster Antenna . Conference: 2016 IEEE International Symposium on Antennas and Propagation (APSURSI)187 - 188 .
Nagarkoti DS, Hao Y, Rajab KZ ( 2016 ) . Signal to Noise Ratio Improvement with Non-Foster Antenna Matching . Conference: 2016 IEEE International Symposium on Antennas and Propagation (APSURSI)1301 - 1302 .
Fan Y, Nagarkoti DS, Rajab KZ, Hao Y, Zhang HC, Cui TJ ( 2016 ) . Wave propagation in reconfigurable broadband gain metamaterials at microwave frequencies . Journal of Applied Physics vol. 119 , ( 19 )
Alizadeh P, Andy AS, Parini C, Rajab KZ ( 2016 ) . A Reconfigurable Reflectarray Antenna in Ka-Band Using Optically Excited Silicon . Conference: 2016 10th European Conference on Antennas and Propagation (EuCAP)1 - 5 .
Andy A, Alizadeh P, Rajab KZ, Kreouzis T, Donnan R ( 2016 ) . An Optically-Switched Frequency Reconfigurable Antenna for Cognitive Radio Applications . Conference: 2016 10th European Conference on Antennas and Propagation (EuCAP)1 - 4 .
Nagarkoti DS, Hao Y, Rajab KZ ( 2016 ) . Q-Bandwidth Enhancement of an Antenna Using Non-Foster Circuit Based on Negative Differential Resistance Devices . Conference: 2016 10th European Conference on Antennas and Propagation (EuCAP)1 - 2 .
Nagarkoti DS, Hao Y, Steenson DP, Li L, Linfield EH, Rajab KZ ( 2015 ) . Design of Broadband Non-Foster Circuits Based on Resonant Tunneling Diodes . IEEE Antennas and Wireless Propagation Letters vol. 15 , 1398 - 1401 .
Alizadeh P, Parini C, Rajab KZ ( 2015 ) . A Low-cost FMCW Radar Front End for Imaging at 24 GHz 33 GHz . Conference: 2015 Loughborough Antennas & Propagation Conference (LAPC)1 - 4 .
Nagarkoti DS, Alizadeh P, Hao Y, Rajab KZ ( 2015 ) . Stability Analysis of Resonant Tunnelling Diode for Resistive Matching of an Electrically Small Antenna . Conference: 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting1556 - 1557 .
Yang L, Chew E ( 2015 ) . Logistic Modeling of Note Transitions . Lecture Notes in Computer Science . vol. 9110 , 161 - 172 .
Rajab K ( 2014 ) . Nanoplasmonics for Ultrafast Coherent Control of Optical Fields .
Nagarkoti DS, Rajab KZ, Hao Y ( 2014 ) . Design and Stability of Negative Impedance Circuits for Non-Foster Matching of a Monopole Antenna . Conference: The 8th European Conference on Antennas and Propagation (EuCAP 2014)2707 - 2709 .
Fan Y, Rajab KZ, Hao Y ( 2013 ) . Noise power in active broadband metamaterials . IEEE Antennas and Propagation Society AP S International Symposium Digest1178 - 1179 .
YANG L, Chew E ( 2013 ) . Vibrato Performance Style: A Case Study Comparing Erhu and Violin . Conference: the 10th International Conference on Computer Music Multidisciplinary Research ( Marseille, France ) from: 15/10/2013 to: 18/10/2013 ,
Rajab KZ, Fan Y, Hao Y ( 2013 ) . Recent Advances in Practical Metamaterial Engineering . Additional Conferences (Device Packaging HiTEC HiTEN & CICMT) vol. 2013 , ( CICMT ) 000094 - 000098 .
Fan Y, Rajab KZ, Hao Y ( 2013 ) . Noise analysis of broadband active metamaterials with non-Foster loads . JOURNAL OF APPLIED PHYSICS vol. 113 , ( 23 ) Article ARTN 233905 ,
Fan Y, Rajab KZ, Hao Y ( 2013 ) . Noise figure of broadband active metamaterials . PROCEEDINGS OF 2013 URSI INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC THEORY (EMTS) . 597 - 599 .
Bao D, Mitchell-Thomas RC, Rajab KZ, Hao Y ( 2013 ) . Quantitative Study of Two Experimental Demonstrations of a Carpet Cloak . IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS vol. 12 , 206 - 209 .
Rajab KZ, Fan Y, Hao Y ( 2013 ) . Recent advances in practical metamaterial engineering . 9th Imaps Acers International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies Cicmt 2013 . 94 - 98 .
Rajab KZ, Munoz M, Fan Y, Bao D, Hao Y ( 2012 ) . Recent advances in practical metamaterial engineering . Proceedings Imaps Acers 8th International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies Cicmt 2012 . 113 - 116 .
Rajab KZ, Munoz M, Fan Y, Bao D, Hao Y ( 2012 ) . Recent Advances in Practical Metamaterial Engineering . Additional Conferences (Device Packaging HiTEC HiTEN & CICMT) vol. 2012 , ( CICMT ) 000113 - 000116 .
Fan Y, Raiab KZ, Munoz M, Hao Y ( 2012 ) . Electrically Small Half-Loop Antenna Design with Non-Foster Matching Networks . Conference: 2012 6th European Conference on Antennas and Propagation (EUCAP)126 - 129 .
Bao D, Rajab KZ, Tang W, Hao Y ( 2012 ) . Experimental Demonstration of Carpet Cloak Realized with BaTiO3-loaded Polyurethane Foam . Conference: 2012 6th European Conference on Antennas and Propagation (EUCAP) vol. 1 , 1716 - 1719 .
Rajab KZ, Fan YF, Hao Y ( 2012 ) . Characterization of active metamaterials based on negative impedance converters . JOURNAL OF OPTICS vol. 14 , ( 11 ) Article ARTN 114004 ,
Katsounaros A, Mann M, Naftaly M, Rajab K, HAO Y, Milne WI ( 2012 ) . Terahertz time-domain spectroscopy characterisation of vertically aligned carbon nanotube films . Carbon vol. 50 , ( 3 ) 939 - 942 .
Katsounaros A, Rajab KZ, Hao Y, Mann M, Milne WI . Microwave characterization of multi-walled carbon nanotube arrays . Conference: 2011 41st European Microwave Conference53 - 56 .
Bao D, Rajab KZ, Hao Y, Kallos E, Tang WX, Argyropoulos C, Piao YZ, Yang SF ( 2011 ) . All-dielectric invisibility cloaks made of BaTiO3-loaded polyurethane foam . New Journal of Physics vol. 13 , Article 103023 ,
Katsounaros A, Rajab KZ, Hao Y, Mann M, Milne WI ( 2011 ) . X-band Characterization of Multi-Walled Carbon Nanotube Films . Conference: 2011 International Conference on Electromagnetics in Advanced Applications516 - 519 .
Bao D, Rajab KZ, Tang W, Hao Y ( 2011 ) . Broadband extraordinary transmission device realized with dielectrics . Proceedings of the 5th European Conference on Antennas and Propagation Eucap 2011 . 2197 - 2200 .
Katsounaros A, Rajab KZ, Hao Y, Mann M, Milne WI ( 2011 ) . Microwave characterization of vertically aligned multiwalled carbon nanotube arrays . APPL PHYS LETT vol. 98 , ( 20 ) Article 203105 ,
Rajab KZ, Fan Y, Bao D, Rahman A, Hao Y ( 2011 ) . Active Circuits for Improved Metamaterial Performance . Conference: 2011 International Workshop on Antenna Technology (iWAT) vol. 1 , 8 - 9 .
Bao D, Rajab KZ, Tang WX, Haob Y ( 2010 ) . Experimental demonstration of broadband transmission through subwavelength aperture . APPL PHYS LETT vol. 97 , ( 13 ) Article 134105 ,
Rajab KZ, Hao Y, Bao D, Parini CG, Vazquez J, Philippakis M ( 2010 ) . Stability of active magnetoinductive metamaterials . J APPL PHYS vol. 108 , ( 5 ) Article 054904 ,
Rajab KZ, Hao Y, Bao D, Parini C, Vazquez J, Philippakis M, Wilmot S, Pearson R ( 2010 ) . Broadband Active Magnetic Materials . 2010 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM .
Katsounaros A, Rajab KZ, Hou K, Mann M, Naftaly M, Collings N, Crossland WA, Hao Y ( 2010 ) . Refractive Index Evaluation of Multi-Walled Carbon Nanotube Arrays . PROCEEDINGS OF THE FOURTH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION .
Rajab KZ, Dougherty JP ( 2009 ) . Dielectric Properties at Millimeter‐Wave and THz Bands . Advanced Millimeter‐Wave Technologies , Wiley
Feteira A, Sinclair DC, Rajab KZ ( 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 .
Rajab KZ, Linfield EH, Nino JC, Tanner D, Mittra R ( 2008 ) . Broadband Dielectric Characterization of Aluminum Oxide (Al2O3) . Journal of Microelectronics and Electronic Packaging vol. 5 , ( 1 ) 2 - 7 .
Lanagan MT, Rajab K, Kwon DK, Semouchkin G ( 2008 ) . Ceramic Dielectric Materials for Microwave Resonator Arrays . 2008 17TH IEEE INTERNATIONAL SYMPOSIUM ON THE APPLICATIONS OF FERROELECTRICS . 249 - 250 .
Rajab KZ, Naftaly M, Linfield EH, Nino JC, Arenas D, Tanner D ( 2007 ) . Broadband dielectric characterization of aluminum oxide (Al 2O3) . International Microelectronics and Packaging Society 3rd Imaps Acers International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies Cicmt 2007 . 149 - 155 .
Rajab KZ, Mittra R, Linfield EH ( 2007 ) . Terahertz transmission through periodic arrays of dielectric and conducting spheres . 2007 IEEE Antennas and Propagation Society International Symposium . Conference: 2007 IEEE Antennas and Propagation Society International Symposium5547 - 5550 .
Rajab KZ, Lanagan MT ( 2007 ) . Size reduction of microstrip patch antennas with left-handed transmission line loading . IET MICROW ANTENNA P vol. 1 , ( 1 ) 39 - 44 .
Rajab KZ, Naftaly M, Linfield EH ( 2007 ) . Terahertz transmission through periodic arrays of dielectric and conducting sphere . 2007 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, VOLS 1-12 . 5062 - 5065 .
Rajab KZ, Perini S, Dougherty J, Iwasaki M ( 2006 ) . Dielectric characterization of dielectric ceramic materials using terahertz time-domain spectroscopy . Imaps Acers 2nd International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies Cicmt 2006 . 297 - 301 .
Rajab KZ, 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 .
Iwasaki M, Semouchkina EA, Semouchkin GB, Rajab KZ ( 2006 ) . Symmetry matching of hybrid modes for dielectric metamaterials . JPN J APPL PHYS 1 vol. 45 , ( 4A ) 2835 - 2841 .
Bringuier J, Mittra R, Rajab K, Lanagan MT ( 2006 ) . Size reduction of Microstrip Patch Antennas via Artificial Dielectric Loading . Conference: 2006 IEEE Antennas and Propagation Society International Symposium1473 - 1476 .
Mittra P, Bringuier J, Abdel-Mageed M, Rajab K ( 2006 ) . Some novel techniques for size reduction of microstrip patch antennas . 2006 IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials (IWAT) . 156 - 159 .
Haney L, Lanagan M, Perini S, Rajab K ( 2005 ) . Characterization of dielectrics and conductors for ceramic microsystems at microwave frequency . Proceedings 2005 Imaps Acers 1st International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies Cicmt 2005 . 296 - 299 .
Baker A, Lanagan M, Randall C, Seniouchkina E, Semouchkin G, Rajab KZ, Mittra R, Eitel R et al. ( 2005 ) . Integration concepts for the fabrication of LTCC structures . Proceedings 2005 Imaps Acers 1st International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies Cicmt 2005 . 46 - 52 .
Rajab KZ, Fuh KF, Mittra R ( 2005 ) . Dielectric property measurement using a resonant nonradiative-dielectric waveguide structure . IEEE MICROW WIREL CO vol. 15 , ( 2 ) 104 - 106 .
Baker A, Lanagan M, Randall C, Semouchkina E, Semouchkin G, Eitel R, Rajab KZ, Mittra R et al. ( 2005 ) . Integration concepts for the fabrication of LTCC structures . INT J APPL CERAM TEC vol. 2 , ( 6 ) 514 - 520 .
Rajab KZ, Mittra R ( 2005 ) . Size Reduction of Microstrip Antennas using Metamaterials . Conference: 2005 IEEE Antennas and Propagation Society International Symposium vol. 2B , 296 - 299 .
Mittra R, Bringuier J, Abdel-Mageed M, Hong W, Cui TJ, Fang D ( 2005 ) . Some novel techniques for size reduction of microstrip patch antennas . 2005 ASIA-PACIFIC MICROWAVE CONFERENCE PROCEEDINGS, VOLS 1-5 . 2 - 4 .
YANG L, Chew E, Rajab SAYID-KHALID . Cross-cultural Comparisons of Experssivity in Recorded Erhu and Violin Music: Performer Vibrato Styles . Conference: the Fourth International Workshop on Folk Music Analysis ( Istanbul, Turkey ) from: 12/06/2014 to: 13/06/2014 ,
Nagarkoti DS, HAO Y, RAJAB KZ . Noise measurements of a non-Foster circuit for matching of a receiver antenna . Conference: 2015 9th European Conference on Antennas and Propagation (EuCAP)
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