Dr James Kelly

Research

reconfigurable antennas

Publications

Publications of specific relevance to the Centre for Electronics

2024

Pattern-Reconfigurable Antenna with Fluidically Controlled Metasurface
Shah T, Khan MU, Khan WT, Hussain R, Kelly J and Alomainy A
2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI)., 2027-2028.  

DOI 10.1109/ap-s/inc-usnc-ursi52054.2024.10720347

25-10-2024

A reconfigurable transmitarray unit cell employing liquid metal
Qu Z, Zhou Y, Kelly JR, Wang Z, Ford KL and Gao Y
Iet Microwaves, Antennas & Propagation, Institution of Engineering and Technology (Iet) 

DOI 10.1049/mia2.12518

QMRO

12-10-2024

Reconfigurable SIW Liquid Metal Phase Shifter for mm- Wave Phased Arrays
Alkaraki S, Qu Z, Jilani SF and Kelly JR
2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). vol. 00, 1221-1222.  

DOI 10.1109/ap-s/inc-usnc-ursi52054.2024.10686596

19-07-2024

Liquid-Based Reconfigurable $4\mathrm{x}4$ Butler Matrix for Enhanced Spatial Coverage
Iqbal S, Khan MU, Khan WT, Hussain R, Kelly J and Alomainy A
2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). vol. 00, 1563-1564.  

DOI 10.1109/ap-s/inc-usnc-ursi52054.2024.10686759

19-07-2024

A Simply Accessed Approach of 2D Shaping Liquid Metal in Microwave Device Applications
Xiaochuan F, Kelly J and Shaker A
Microwave and Optical Technology Letters, Wiley 

DOI 10.1002/mop.34240

QMRO

27-06-2024

A Liquid-Metal-Enabled Reconfigurable Feed Network for Multipolarization Arrays
Wu Y-W, Kelly J, Qian L, Constantinou C, Ghorbani F, Zhou J, Huang Y and Wang Y
Ieee Transactions on Microwave Theory and Techniques, Institute of Electrical and Electronics Engineers 

DOI 10.1109/TMTT.2024.3398223

QMRO

30-05-2024

Liquid Metal Reconfigurable Phased Array Antenna
Alkaraki S, Lin QW, Erman F, Jilani SF, Wang Z, Wong H and Kelly JR
2024 18th European Conference on Antennas and Propagation (EuCAP). vol. 00, 1-5.  

DOI 10.23919/eucap60739.2024.10500971

22-03-2024

X-Band Reconfigurable Phase Shifters Based on SIW and Liquid Metal Technologies
Alkaraki S, Lin QW, Jilani SF, Wong H, Borja AL, Tang S, Wang Y and Kelly JR
2024 18th European Conference on Antennas and Propagation (EuCAP). vol. 00, 1-5.  

DOI 10.23919/eucap60739.2024.10501332

22-03-2024

1-Bit Reconfigurable Transmitted/Reflected Array (TRA) for 5G/6G Wireless Communication
Liu Y, Kelly JR, Holm M, Gopal S, Aghdam SR and Liu Y
2024 18th European Conference on Antennas and Propagation (EuCAP). vol. 00, 1-3.  

DOI 10.23919/eucap60739.2024.10501625

22-03-2024

Circuits and Antennas Reconfigured using Gallium-based Liquid Metal
Kelly JR and Alkaraki S
2024 National Conference on Communications (NCC). vol. 00, 1-5.  

DOI 10.1109/ncc60321.2024.10485869

02-03-2024

A gravity control beam steerable patch antenna utilizing liquid metal flows in fluidic channels
Cao H and Kelly JR
2024 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). vol. 00, 62-64.  

DOI 10.1109/apwc61918.2024.10701749

06-01-2024

A Microwave Subsystem (MS) Capable of Realizing Functional Change with the Aid of 2D-shaped Liquid Metal (LM)
Fang X, Alkaraki S and Kelly JR
Progress in Electromagnetics Research B, The Electromagnetics Academy vol. 108, 17-30.  

DOI 10.2528/pierb24062303

01-01-2024

2023

mm-Wave Low Insertion Loss SIW Phase Shifter Based on Liquid Metal Technology
Alkaraki S, Qu Z and Kelly J
Ieee Microwave and Wireless Technology Letter, Ieee 

DOI 10.1109/LMWT.2023.3339200

QMRO

12-12-2023

A Liquid Metal 1-Bit Reflectarray for 90 GHz Application
Liu Y and Kelly JR
2023 IEEE 11th Asia-Pacific Conference on Antennas and Propagation (APCAP). vol. volume1, 1-2.  

DOI 10.1109/apcap59480.2023.10470084

24-11-2023

Pattern Reconfigurable Antenna Employing Liquid Metal
Qu Z, Fang X, Kelly JR and Gao Y
2023 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). vol. 00, 01-03.  

DOI 10.1109/imws-amp57814.2023.10381190

15-11-2023

Unit Cell Design for Intelligent Reflecting and Refracting Surface (IRS) With Independent Electronic Control Capability
Liu Y, Kelly J, Holm M, Gopal S, Aghdam SR and Liu Y
Ieee Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers (Ieee) vol. 23 (1), 414-418.  

DOI 10.1109/lawp.2023.3326290

QMRO

20-10-2023

A CPW-Fed Printed Ultra Wideband Antenna
Li K, Ortiz-Fuentes J-A, Kelly J and Segovia-Vargas D
2023 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). vol. 00, 082-085.  

DOI 10.1109/apwc57320.2023.10297521

13-10-2023

10 GHz Low Loss Liquid Metal SIW Phase Shifter for Phased Array Antenna
Alkaraki S, Lin QW, Borja A, Wang Z, Wong H, Tang S, Wang Y and Kelly J
Ieee Transactions on Microwave Theory and Techniques, Institute of Electrical and Electronics Engineers 

DOI 10.1109/TMTT.2023.3308160

QMRO

08-09-2023

Phased Array Antenna System Enabled by Liquid Metal Phase Shifters
Kelly J
Ieee Access, Institute of Electrical and Electronics Engineers 

DOI 10.1109/ACCESS.2023.3308068

QMRO

07-09-2023

Circuits and Antennas Incorporating Gallium- based Liquid Metal
Wu Y-W, Alkaraki S, Tang S, Wang Y and Kelly J
Proceedings of The Ieee, Institute of Electrical and Electronics Engineers 

DOI 10.1109/JPROC.2023.3285400

QMRO

26-06-2023

Liquid Metal Beam Switching Bull’s Eye Antenna Based on 3D Printing
Zhou Y and Kelly JR
2023 17th European Conference on Antennas and Propagation (EuCAP). vol. 00, 1-4.  

DOI 10.23919/eucap57121.2023.10133109

QMRO

31-03-2023

Liquid Metal mm-Wave Phased Array Antenna for 5G Wireless Communication
Alkaraki S, Wang C, Kelly J and Jilani SF
2023 17th European Conference on Antennas and Propagation (EuCAP). vol. 00, 1-5.  

DOI 10.23919/eucap57121.2023.10133752

QMRO

31-03-2023

Continuous Beam Steering Realized by Tunable Ground in a Patch Antenna
Qu Z, Zhou Y, Alkaraki S, Kelly J and Gao Y
Ieee Access, Institute of Electrical and Electronics Engineers 

DOI 10.1109/ACCESS.2023.3235597

QMRO

23-01-2023

2022

A Reconfigurable Microstrip Patch Antenna With Switchable Liquid-Metal Ground Plane
Qu Z, Kelly JR, Wang Z, Alkaraki S and Gao Y
Ieee Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers (Ieee) vol. 22 (5), 1045-1049.  

DOI 10.1109/lawp.2022.3231872

QMRO

26-12-2022

A Wideband Circularly Polarized Antenna Based on Anisotropic Metamaterial
Lin QW, Alkaraki S, Wong H and Kelly J
Ieee Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers 

DOI 10.1109/TAP.2022.3225157

QMRO

02-12-2022

A Simple Dielectric Cube for Gain Enhancement of Straight Corrugated Antenna
Zhou Y and Kelly JR
2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). vol. 00, 1-3.  

DOI 10.1109/imws-amp54652.2022.10107083

29-11-2022

Techniques for Designing High Gain and Two‐Dimensional Beam Scanning Antennas for 5G
Mittra R, Nasri A, Arya RK, Chaudhary P, Kelly JR, Alkaraki S and Borja AL
In Antenna and Array Technologies For Future Wireless Ecosystems, Wiley 43-82.  

DOI 10.1002/9781119813910.ch2

15-07-2022

A building block element (BBE) that realizes a functional reconfiguration between antenna and filter with the aid of liquid dielectric
Fang X, Alkaraki SMM and Kelly JR
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI). vol. 00, 1204-1205.  

DOI 10.1109/ap-s/usnc-ursi47032.2022.9886351

15-07-2022

Theoretical Calculation of the Phase Limit for Transmitarray Unit Cell
Qu Z and Kelly JR
2022 16th European Conference on Antennas and Propagation (EuCAP). 

DOI 10.23919/EuCAP53622.2022.9769566

QMRO

11-05-2022

Phase Reconfiguration via SIW Structures Filled with Liquid Metal
Alkaraki S, Borja AL, Kelly J, Jilani SF, Mittra R and Gao Y
2022 16th European Conference on Antennas and Propagation (EuCAP). 

DOI 10.23919/EuCAP53622.2022.9769417

QMRO

11-05-2022

Liquid Metal Enabled SIW Vias and RF Blocking Walls for Reconfigurable Antennas
Alkaraki S, Qu Z, Kelly J, Borja AL, Mittra R and Wang Y
2022 16th European Conference on Antennas and Propagation (EuCAP). 

DOI 10.23919/EuCAP53622.2022.9769614

QMRO

11-05-2022

Enhanced Data Throughput Using 26 GHz Band Beam-Steered Antenna for 5G Systems
Rabbani M, Churm J, Payami S, Khalily M, Xiao P, Tafazolli RR, Loh TH, Kelly JR and Feresidis A
https://doi.org/10.23919/EuCAP53622.2022.9769023. 

DOI 10.23919/EuCAP53622.2022.9769023

QMRO

11-05-2022

A Building Block Element (BBE) Capable Of Realizing Functional Reconfiguration Between Antenna and Resonator Mode
Fang X, Kelly JR and Akaraki S
2022 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). vol. 00, 018-020.  

DOI 10.1109/apwc49427.2022.9899883

09-01-2022

2021

Reconfigurable Antenna Using Liquid Metal Vias
Alkaraki S, Kelly J and Wang Z
2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI). vol. 00, 315-316.  

DOI 10.1109/aps/ursi47566.2021.9703756

10-12-2021

Reconfigurable Liquid Metal Based SIW Phase Shifter
Alkaraki S, Kelly J, Borja A, Mittra R and Gao Y
Ieee Transactions on Microwave Theory and Techniques, Ieee 

DOI 10.1109/TMTT.2021.3124797

QMRO

17-11-2021

Challenges of malware detection in the IoT and a review of artificial immune system approaches
Alrubayyi H, Goteng G, Jaber M and Kelly J
Journal of Sensor and Actuator Networks vol. 10 (4) 

DOI 10.3390/jsan10040061

QMRO

26-10-2021

Analysis of the Transmission Performance Limits for a Multilayer Transmitarray Unit Cell
Qu Z, Kelly JR and Gao Y
Ieee Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers (Ieee) vol. 70 (3), 2334-2339.  

DOI 10.1109/tap.2021.3111162

QMRO

15-09-2021

Radiation Pattern Reconfigurable Antenna Using Liquid Metal Vias
Alkaraki S, Kelly J and Allayioti M
2021 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). vol. 00, 1-1.  

DOI 10.1109/apwc52648.2021.9539582

13-08-2021

A Novel Negative and Positive Selection Algorithm to Detect Unknown Malware in the IoT
Alrubayyi H, Goteng G, Jaber M and Kelly J
IEEE INFOCOM 2021 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS). vol. 00, 1-6.  

DOI 10.1109/infocomwkshps51825.2021.9484483

QMRO

13-05-2021

Balanced Feed Low Cross-Polarization Quad-Ridged Horn Antenna With Center Cross Fusiform Loaded
Zhao Z, Wang Z, Kelly JR and Gao S
Ieee Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers (Ieee) vol. 69 (9), 6004-6009.  

DOI 10.1109/tap.2021.3070217

QMRO

06-04-2021

8 X 4 mm-Wave 3D Printed MIMO Antenna for 5G Wireless Communication
Alkaraki S, Jilani SF, Kelly J, Gao Y, Stremsdoerfer S and Gayets ED
2021 15th European Conference on Antennas and Propagation (EuCAP). vol. 00, 1-4.  

DOI 10.23919/eucap51087.2021.9411276

QMRO

26-03-2021

Joint Iterative Optimization Based Low-Complexity Adaptive Hybrid Beamforming for Massive MU-MIMO Systems
Ruan H, Xiao P, Xiao L and Kelly J
Ieee Transactions on Communications, Institute of Electrical and Electronics Engineers 

DOI 10.1109/TCOMM.2021.3053021

QMRO

20-01-2021

Hybrid Parasitic Linear Array Antenna for Fine Beamsteering Applications
Uchendu IE, Kelly JR, Mittra R and Gao Y
Ieee Access, Institute of Electrical and Electronics Engineers (Ieee) vol. 9, 84899-84909.  

DOI 10.1109/access.2021.3088405

QMRO

01-01-2021

2020

Gallium-Based Liquid Metal Substrate Integrated Waveguide Switches
Alkaraki S, Kelly J, Borja AL, Mittra R and Wang Y
Ieee Microwave and Wireless Components Letters, Institute of Electrical and Electronics Engineers 

DOI 10.1109/LMWC.2020.3040795

QMRO

09-12-2020

Secrecy Rate Optimization for Intelligent Reflecting Surface Assisted MIMO System
Chu Z, Hao W, Xiao P, Mi D, Liu Z, Khalily M, Kelly JR and Feresidis AP
Ieee Transactions on Information Forensics and Security, Institute of Electrical and Electronics Engineers vol. PP (99), 1-1.  

DOI 10.1109/tifs.2020.3038994

QMRO

18-11-2020

3D-printed millimetre-wave antennas with spray-coated metalization
Alkaraki S, Kelly J and Yue Gao
In Antennas and Propagation For 5G and Beyond, Institution of Engineering and Technology (Iet) 67-99.  

DOI 10.1049/pbte093e_ch4

15-07-2020

5G mm-Wave MIMO Antenna with Beam Switching Capabilities Fabricated Using 3D Printing
Alkaraki S, Kelly J, Gao Y, Stremsdoerfer S and Gayets E
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting. vol. 00, 1545-1546.  

DOI 10.1109/ieeeconf35879.2020.9329899

10-07-2020

High Gain 3D Printed Antenna with Corrugations and High Aperture Efficiency Performance
Alkaraki S, Kelly J, Parini C, Gao Y, Stremsdoerfer S and Gayets E
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting. vol. 00, 1347-1348.  

DOI 10.1109/ieeeconf35879.2020.9329715

10-07-2020

Cascaded Fresnel Lens Antenna for Scan Loss Mitigation in Millimeter Wave Access Points
Hill T, Kelly J, Khalily M and Brown T
Ieee Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers 

DOI 10.1109/TAP.2020.2992837

QMRO

12-05-2020

AMPLITUDE STEERABLE ANTENNA BASED ON RECONFIGURABLE RATIO POWER DIVIDER
Uchendu IE and Kelly JR
Progress in Electromagnetics Research M, The Electromagnetics Academy vol. 95, 115-123.  

DOI 10.2528/pierm20061603

01-01-2020

2019

Liquid Metal Bandwidth-Reconfigurable Antenna
Alqurashi KY, Kelly JR, Wang Z, Crean C, Mittra R, Khalily M and Gao Y
Ieee Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers vol. 19 (1), 218-222.  

DOI 10.1109/LAWP.2019.2959879

QMRO

16-12-2019

Wideband Omnidirectional Slotted-Waveguide Antenna Array Based on Trapezoidal Slots
Filgueiras HRD, Kelly JR, Xiao P, Da Costa IF and Cerqueira Sodré A
International Journal of Antennas and Propagation, Hindawi Publishing Corporation vol. 2019 

DOI 10.1155/2019/3792980

QMRO

13-10-2019

Conformal Transmitarray for Scan Loss Mitigation with Thinned Reconfiguration
Hill TA, Kelly JR, Khalily M and Brown TWC
European Conference on Antennas and Propagation (EuCAP). 

QMRO

20-06-2019

A technique for MIMO antenna design with flexible element number and pattern diversity
KELLY J, Borja A and Pei X
Ieee Access, Institute of Electrical and Electronics Engineers (Ieee) 

DOI 10.1109/ACCESS.2019.2910822

QMRO

06-05-2019

Liquid Metal Application for Continuously Tunable Frequency Reconfigurable Antenna
Alqurashi KY, Crean C, Kelly JR, Brown TWC and Khalily M
European Conference on Antennas and Propagation (EuCAP). 

QMRO

01-03-2019

Novel Approach for Designing Broadband Slot Antennas
Filgueiras HRD, Brandao TH, Kelly JR, Xiao P and Cerqueira SA
European Conference on Antennas and Propagation (EuCAP). 

QMRO

01-03-2019

Polarization-Reconfigurable Glass Dielectric Resonator Antenna Using Liquid Metal
KELLY J, Chen Z and Wong H
Ieee Transactions on Antennas and Propagation as a Communication. 

DOI 10.1109/TAP.2019.2901132

QMRO

22-02-2019

High Gain Beam Steerable Phased Array Incorporating Reconfigurable Parasitics formed from Liquid Metal
Kelly JR, Alqurashi KY, Crean C, Filgueiras HRD, Chen Z and Wong H
2019 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). vol. 00, 235-238.  

DOI 10.1109/apwc.2019.8870388

13-01-2019

A reconfigurable MIMO handset antenna employing liquid metal
Gao H, Kelly J, Zhang X and Wang Z
Ieice Electronics Express, Institute of Electronics, Information and Communications Engineers (Ieice) vol. 16 (20), 20190485-20190485.  

DOI 10.1587/elex.16.20190485

QMRO

01-01-2019

2018

28 GHz Taylor Feed Network for Sidelobe Level Reduction in 5G Phased Array Antennas
Hill TA and Kelly JR
Microwave and Optical Technology Letters, Wiley 

DOI 10.1002/mop.31509

QMRO

20-11-2018

A Novel Approach for Designing Omnidirectional Slotted-Waveguide Antenna Array
Filgueiras HRD, da Costa IF, Arismar Cerqueira Jr S, Kelly JR and Xiao P
Proceedings of Iceaa-Ieee Apwc-Fem 2018, Ieee 

DOI 10.1109/ICEAA.2018.8520357

QMRO

05-11-2018

Millimeter Wave Beam Steerable/Reconfigurable Liquid Metal Array Antenna
Kelly JR, Alqurashi KY, Filgueiras HRD, da Costa IF, Cerqueira Jr S, Xiao P, Chen Z and Wong H
Proceedings of Iceaa-Ieee Apwc-Fem 2018, Ieee 

DOI 10.1109/APWC.2018.8503677

QMRO

25-10-2018

Programmable Multifunctional RF/Microwave Circuit for Antenna and Filter Operation
Borja AL, Kabiri Y, Belenguer A and Kelly JR
Ieee Transactions on Antennas and Propagation vol. 66 (8), 3865-3876.  

DOI 10.1109/TAP.2018.2835728

QMRO

11-05-2018

Beam and polarization reconfigurable microstrip antenna based on parasitics
Allayioti M, Kelly JR and Mittra R
Microwave and Optical Technology Letters, Wiley vol. 60 (6), 1460-1464.  

DOI 10.1002/mop.31184

QMRO

24-04-2018

Resource Allocation and Interference Management in Hybrid Millimeter Wave Networks
Shi J, Xiao P, Kelly J and Si J
Https://Ieeexplore.Ieee.Org/Xpl/Conhome/8326469/Proceeding, Ieee 

DOI 10.1109/ICCChina.2017.8330393

QMRO

05-04-2018

Polarization Reconfigurbale Antenna with Liquid Metal
Chen Z, Wong H, Xiang J and Kelly J
2018 IEEE International Conference on Computational Electromagnetics (ICCEM)., 1-3.  

DOI 10.1109/COMPEM.2018.8496613

01-01-2018

Mechanical Beam Steering Circular Patch Antenna
da Costa I, Filgueiras H, Kelly J, Arismar Cerqueira S and Xiao P
Eucap 2018 Proceedings 

DOI 10.1049/cp.2018.0401

QMRO

01-01-2018

Reconfigurable 26GHz Liquid Metal Antenna Capable of Low Loss Continuous Beam Steering
Kelly JR and Tanha MA
Proceedings of the 2018 IEEE Conference on Antenna Measurements and Applications, 3-6 September 2018, Västerås, Sweden. 

DOI 10.1109/CAMA.2018.8530561

01-01-2018

2017

Ultrawide isolation bandwidth compensated power divider for UWB applications
Uchendu IE and Kelly JR
Microwave and Optical Technology Letters, Wiley vol. 59 (12), 3177-3180.  

DOI 10.1002/mop.30899

QMRO

22-09-2017

Wideband Frequency-Domain and Space-Domain Pattern Reconfigurable Circular Antenna Array
Wang Z, Hall PS, Kelly JR and Gardner P
Ieee Transactions on Antennas and Propagation vol. 65 (10), 5179-5189.  

DOI 10.1109/TAP.2017.2740969

QMRO

17-08-2017

Full-duplex wireless-powered relay in two way cooperative networks
Chen G, Xiao P, Kelly JR, Li B and Tafazolli R
Ieee Access vol. 5, 1548-1558.  

DOI 10.1109/ACCESS.2017.2661378

QMRO

30-01-2017

Multiple parameter reconfigurable microstrip patch antenna
Allayioti M and Kelly JR
Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2017 IEEE International Symposium on., 1141-1142.  

DOI 10.1109/APUSNCURSINRSM.2017.8072613

01-01-2017

Continuously tunable frequency reconfigurable liquid metal microstrip patch antenna
Alqurashi KY and Kelly JR
Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2017 IEEE International Symposium on., 909-910.  

DOI 10.1109/APUSNCURSINRSM.2017.8072497

01-01-2017

Mechanically reconfigurable slotted-waveguide antenna array for 5G networks
Filgueiras HRD, da Costa IF, Cerqueira SA, Santos RA and Kelly JR
Microwave and Optoelectronics Conference (IMOC), 2017 SBMO/IEEE MTT-S International., 1-5.  

DOI 10.1109/IMOC.2017.8121105

01-01-2017

Reconfigurable antenna
Song PCT, Hall P and Kelly JR
 
01-01-2017

2016

Wide and multi-band reconfigurable Vivaldi antenna with slot-line feed
Chagharvand S, Hamid MR, Kamarudin MR and Kelly JR
Telecommunication Systems, Springer Verlag vol. 65 (1), 79-85.  

DOI 10.1007/s11235-016-0213-z

QMRO

17-08-2016

Side lobe level reduction for beam steerable antenna design
Allayioti M and Kelly JR
Antennas and Propagation (EuCAP), 2016 10th European Conference on., 1-5.  

DOI 10.1109/EuCAP.2016.7481316

01-01-2016

Wide-to-narrowband reconfigurable Vivaldi antenna using switched-feed technique
Chagharvand S, Hamid MR, Kamarudin MR and Kelly JR
Telecommunication Systems vol. 63 (4), 711-717.  

DOI 10.1007/s11235-016-0150-x

01-01-2016

Survey of beam steering techniques available for millimeter wave applications
Uchendu I and Kelly JR
Progress in Electromagnetics Research vol. 68, 35-54.  

DOI 10.2528/PIERB16030703

01-01-2016

2015

Reconfigurable microwave circuit based on a single triangular microstrip patch
Borja A and Kelly JR
Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2015 IEEE International Symposium on., 2253-2254.  

DOI 10.1109/APS.2015.7305515

01-01-2015

On the Sensitivity of Candidate Cognitive Radio Sensing Engines
James K. Kelly SS
URSI Atlantic Radio Science Conference. 
01-01-2015

PIFA with reconfigurable frequency bandwidth
Kelly JR
Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2015 IEEE International Symposium on., 2255-2256.  

DOI 10.1109/APS.2015.7305516

01-01-2015

Reconfigurable microwave circuit based on three triangular microstrip patches
Kelly JR and Borja A
Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2015 IEEE International Symposium on., 2251-2252.  

DOI 10.1109/APS.2015.7305514

01-01-2015

Combined parasitic and phased array reconfigurable antenna
Uchendu I and Kelly J
Antennas & Propagation Conference (LAPC), 2015 Loughborough., 1-4.  

DOI 10.1109/LAPC.2015.7365997

01-01-2015

Blast furnace stockline measurement using radar
Wei JD, Chen XZ, Kelly JR and Cui YZ
Ironmaking & Steelmaking vol. 42 (7), 533-541.  

DOI 10.1179/1743281214Y.0000000258

01-01-2015

3-Dimension burden surface imaging system with T-shaped MIMO radar in the blast furnace
Wei J, Chen X, Wang Z, Kelly J and Zhou P
Isij International vol. 55 (3), 592-599.  

DOI 10.2355/isijinternational.55.592

01-01-2015

2014

Slot dipole antenna with single-and dual-band tuning characteristic
Idris IH, Hamid MR, Jamaluddin MH, Rahim MKA and Kelly J
Electronics Letters vol. 50 (21), 1506-1507.  

DOI 10.1049/el.2014.1271

01-01-2014

Single-, dual-and triple-band frequency reconfigurable antenna
Idris IH, Hamid MR, Jamaluddin MH, Rahim MKA, Kelly JR and Majid HA
Radioengineering vol. 23 (3), 805-811.  
01-01-2014

Microwave Multi-Tool
Kelly JR and Borja AL
Iet Electronics Letters vol. 50 (15) 
01-01-2014

Hardware block for use in programmable microwave function arrays
Kelly JR and Borja AL
Electronics Letters vol. 50 (15), 1076-1077.  

DOI 10.1049/el.2014.0970

01-01-2014

Reconfigurable antenna
Song PCT, Hall P and Kelly JR
 
01-01-2014

Reconfigurable Parallel Coupled Band Notch Resonator with Wide Tuning Range
Wang Z, Kelly J, Hall P, Borja A and Gardner P
Ieee Transactions on Industrial Electronics vol. 61 (11), 6316-6326.  

DOI 10.1109/TIE.2014.2311386

01-01-2014

2013

Metamaterials
Borja AL, Kelly JR, Zhang F and Lheurette E
International Journal of Antennas and Propagation vol. 2013 

DOI 10.1155/2013/516939

01-01-2013

Coplanar Waveguide Reconfigurable Bandpass Filter Based on A Varactor Loaded Colinear Resonator
Wang ZP, Hall PS, Kelly J and Gardner P
Microwave and Optical Technology Letters vol. 55 (10), 2389-2393.  

DOI 10.1002/mop.27832

01-01-2013

Microstrip Tunable Bandpass Filter with the Colinear Resonators
Z. P. Wang P. S. Hall J. Kelly and P. Gardner
International Journal of Antennas and Propagation 

DOI 10.1155/2013/960138

01-01-2013

2012

A reconfigurable passive UHF reader loop antenna for near-field and far-field RFID applications
Borja AL, Belenguer A, Cascon J and Kelly JR
Ieee Antennas and Wireless Propagation Letters vol. 11, 580-583.  

DOI 10.1109/LAWP.2012.2200870

01-01-2012

Compact Coplanar Waveguide Metamaterial-Inspired Lines and Its Use in Highly Selective and Tunable Bandpass Filters
Borja AL, Kelly JR, Belenguer A, Cascon J and Boria VE
In Metamaterial, Intech 
01-01-2012

Wideband conical monopole antenna with integrated stopband filter
Hu ZH, Kelly JR, Hall PS and Gardner P
Progress in Electromagnetics Research vol. 27, 223-238.  

DOI 10.2528/PIERC11111305

01-01-2012

2011

Contact Angle Dependence of the Resonant Frequency of Sessile Water Droplets
Sharp JS, Farmer DJ and Kelly J
Langmuir, American Chemical Society (Acs) vol. 27 (15), 9367-9371.  

DOI 10.1021/la201984y

08-07-2011

Dipole antenna with left-handed loading operating at a zero order mode
Borja AL, Kelly JR, Liu Q, Hall PS and Hu ZH
Progress in Electromagnetics Research vol. 19, 85-92.  

DOI 10.2528/PIERC10112404

01-01-2011

Integrated wide-narrowband antenna for multi-standard radio
Ebrahimi E, Kelly JR and Hall PS
Ieee Transactions on Antennas and Propagation vol. 59 (7), 2628-2635.  
01-01-2011

Improved band‐notched wideband conical monopole antenna
Hu ZH, Hall PS, Kelly JR and Gardner P
Microwave and Optical Technology Letters vol. 53 (8), 1825-1829.  

DOI 10.1002/mop.26132

01-01-2011

Novel wideband pyramidal monopole antenna with wide tunable frequency band-notch
Hu ZH, Hall PS, Kelly JR and Gardner P
Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on., 3509-3512.  
01-01-2011

Wideband omni conical monopole antenna with high Q band-notched behaviour
Hu ZH, Hall PS, Kelly JR and Gardner P
Antenna Technology (iWAT), 2011 International Workshop on., 37-40.  

DOI 10.1109/IWAT.2011.5752357

01-01-2011

Reconfigurable 460 MHz to 12 GHz antenna with integrated narrowband slot
Kelly JR, Song P, Hall PS and Borja AL
Progress in Electromagnetics Research vol. 24, 137-145.  

DOI 10.2528/PIERC11080410

01-01-2011

Band-notched UWB antenna incorporating a microstrip open-loop resonator
Kelly JR, Hall PS and Gardner P
Ieee Transactions on Antennas and Propagation vol. 59 (8), 3045-3048.  

DOI 10.1109/TAP.2011.2152326

01-01-2011

Slotline structure for on/off-body communications at 2.45 GHz
Kelly J, Ford L and Langley R
Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on., 525-529.  
01-01-2011

TEM horn antenna with multi-pole band notch characteristic
Wang ZP, Hall PS, Kelly J and Gardner P
Electronics Letters vol. 47 (25), 1357-1358.  

DOI 10.1049/el.2011.2468

01-01-2011

Wideband Omni Conical Monopole Antenna with High Q Band-Notched Behaviour
Z. H. Hu P. S. Hall J.R. Kelly and P. Gardner
International Workshop on Antenna Technology (iWAT). 
01-01-2011

2010

Switched UWB to narrowband planar monopole antenna
Ghanem F, Kelly JR and Hall PS
Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on., 1-3.  

DOI 10.1109/rivf.2010.5633177

01-01-2010

Equivalent circuit model-based approach on the user body effect of a mobile terminal antenna
Holopainen J, Valkonen R, Kivekäs O, Ilvonen J, Martinez L, Vainikainen P, Kelly JR and Hall PS
Antennas and Propagation Conference (LAPC), 2010 Loughborough., 217-220.  

DOI 10.1109/LAPC.2010.5666170

01-01-2010

UWB pyramidal monopole antenna with wide tunable band-notched behaviour
Hu ZH, Hall PS, Kelly JR and Gardner P
Electronics Letters vol. 46 (24), 1588-1590.  

DOI 10.1049/el.2010.2839

01-01-2010

Wideband conical monopole antenna with frequency band-notched behaviour
Hu ZH, Hall PS, Kelly JR and Gardner P
Electronics Letters vol. 46 (23), 1542-1543.  

DOI 10.1049/el.2010.2441

01-01-2010

Equivalent circuit modeling of chassis-antenna with two coupling elements
Hu ZH, Kelly J, Song CTP, Hall PS and Gardner P
Antennas and Propagation Society International Symposium (APSURSI), 2010 IEEE., 1-4.  

DOI 10.1109/APS.2010.5562329

01-01-2010

Novel wide tunable dual-band reconfigurable chassis-antenna for future mobile terminals
Hu ZH, Kelly J, Song CTP, Hall PS and Gardner P
Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on., 1-5.  
01-01-2010

Novel reconfigurable dual-port UWB chassis-antenna
Hu ZH, Song CTP, Kelly J, Hall PS and Gardner P
Antennas and Propagation Society International Symposium (APSURSI), 2010 IEEE., 1-4.  

DOI 10.1109/APS.2010.5561979

01-01-2010

A New Approach for On-Body and Off-Body Communications
Kelly JR, Ford KL and Langley R
Antennas and Propagation Conference (LAPC), 2010 Loughborough., 333-336.  

DOI 10.1109/LAPC.2010.5666186

01-01-2010

Integrated wide‐narrow band antenna for switched operation
Kelly JR and Hall PS
Microwave and Optical Technology Letters vol. 52 (8), 1705-1707.  

DOI 10.1002/mop.25298

01-01-2010

Reconfigurable ultra‐wideband slot antenna
Kelly JR and Hall PS
Microwave and Optical Technology Letters vol. 52 (9), 1988-1990.  

DOI 10.1002/mop.25398

01-01-2010

Ultra‐wideband antenna with on/off band‐notch control
Kelly JR, Hall PS and Gardner P
Microwave and Optical Technology Letters vol. 52 (12), 2743-2746.  

DOI 10.1002/mop.25603

01-01-2010

Integrated narrow/band-notched UWB antenna
Kelly JR, Hall PS, Gardner P and Ghanem F
Electronics Letters vol. 46 (12), 814-816.  

DOI 10.1049/el.2010.3368

01-01-2010

TEM horn circular array for wide band pattern notch reconfigurable antenna system
Wang ZP, Hall PS, Kelly J and Gardner P
Antennas and Propagation Conference (LAPC), 2010 Loughborough., 365-368.  

DOI 10.1109/LAPC.2010.5666271

01-01-2010

Reconfigurable bandstop filter with wide tuning range
Wang ZP, Kelly J and Hall PS
Electronics Letters vol. 46 (11), 771-772.  

DOI 10.1049/el.2010.0886

01-01-2010

Wideband reconfigurable bandstop filter for future wireless communication
Wang ZP, Kelly J and Hall PS
Antennas and Propagation Conference (LAPC), 2010 Loughborough., 369-372.  

DOI 10.1109/LAPC.2010.5666282

01-01-2010

Novel Reconfigurable Dual-Port UWB Chassis-Antenna
Z.H. Hu C.T.P. Song J. Kelly P.S. Hall and P. Gardner
IEEE International Symposium on Antennas and Propagation. 
01-01-2010

2009

Integrated wide-narrow band antenna for switched operation
Kelly JR, Hall PS and Gardner P
European Conference on Antennas and Propagation, EuCAP 2009, Proceedings., 3757-3760.  
16-10-2009

Integrated Wide-Narrowband Antenna for Multi-Standard Radio Systems
E. Ebrahimi JK
URSI Festival of Radio Science. 

DOI 10.1109/TAP.2011.2152353

01-01-2009

A reconfigurable narrowband antenna integrated with wideband monopole for cognitive radio applications
Ebrahimi E, Kelly J and Hall PS
Antennas and Propagation Society International Symposium, 2009. APSURSI'09. IEEE., 1-4.  

DOI 10.1109/APS.2009.5171551

01-01-2009

Two port frequency reconfigurable antenna for cognitive radios
Ghanem F, Hall PS and Kelly JR
Electronics Letters vol. 45 (11), 534-536.  

DOI 10.1049/el.2009.0935

01-01-2009

Reconfigurable antennas for wideband wireless systems
Hall PS, Gardner P, Hu Z, Song P, Kelly J and Hamid MR
Adaptable and Tunable Antenna Technology for Handsets and Mobile Computing Products, 2009 IET Seminar on., 1-31.  
01-01-2009

Reconfigurable antenna challenges for future radio systems
Hall PS, Gardner P, Kelly J, Ebrahimi E, Hamid MR, Ghanem F, Herraiz-Martinez FJ and Segovia-Vargas D
Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on., 949-955.  
01-01-2009

Wide tunable dual-band reconfigurable antenna
Hu ZH, Song CTP, Kelly J, Hall PS and Gardner P
Electronics Letters vol. 45 (22), 1109-1110.  

DOI 10.1049/el.2009.2737

01-01-2009

Array antenna with increased element separation based on a Fabry–Perot resonant cavity with AMC walls
Kelly JR and Feresidis AP
Ieee Transactions on Antennas and Propagation vol. 57 (3), 682-687.  

DOI 10.1109/TAP.2009.2013429

01-01-2009

Reconfigurable slot antenna for Cognitive Radio applications
Kelly JR and Hall PS
Antennas and Propagation Society International Symposium, 2009. APSURSI'09. IEEE., 1-4.  

DOI 10.1109/APS.2009.5172339

01-01-2009

Planar band-notched UWB antenna
Kelly JR, Hall PS and Gardner P
Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on., 1636-1639.  
01-01-2009

A reconfigurable wideband handset antenna operating from 460MHz to 12GHz
Kelly JR, Hall PS and Song P
Antennas and Propagation Society International Symposium, 2009. APSURSI'09. IEEE., 1-4.  

DOI 10.1109/APS.2009.5172233

01-01-2009

A compact triangular patch bandpass filter
Kelly JR and Seager RD
Microwave and Optical Technology Letters vol. 51 (2), 566-570.  

DOI 10.1002/mop.24099

01-01-2009

Approximating the eigenvalues of planar isosceles triangular patch resonators using Galerkin's method
Kelly JR and Seager RD
Microwave and Optical Technology Letters vol. 51 (2), 306-311.  

DOI 10.1002/mop.24039

01-01-2009

Novel metallodielectric electromagnetic bandgap structure
Kelly JR and Seager RD
Microwave and Optical Technology Letters vol. 51 (2), 311-315.  

DOI 10.1002/mop.24038

01-01-2009

Wide tunable dual-band reconfigurable antenna for future wireless devices
Song CTP, Hu ZH, Kelly J, Hall PS and Gardner P
Antennas & Propagation Conference, 2009. LAPC 2009. Loughborough., 601-604.  

DOI 10.1109/LAPC.2009.5352451

01-01-2009

2008

Reconfigurable antennas for cognitive radio: Requirements and potential design approaches
Gardner P, Hamid MR, Hall PS, Kelly J, Ghanem F and Ebrahimi E
Seminar on Wideband, Multiband Antennas and Arrays for Defence or Civil Applications, 2008 Institution of Engineering and Technology., 89-94.  

DOI 10.1049/ic:20080090

01-01-2008

Antenna challenges in cognitive radio
Hall PS, Gardner P, Kelly J, Ebrahimi E, Hamid MR and Ghanem F
Proc. ISAP. vol. 8 
01-01-2008

Analysis and design of sub-wavelength resonant cavity type 2-D leaky-wave antennas
Kelly JR, Kokkinos T and Feresidis AP
Ieee Transactions on Antennas and Propagation vol. 56 (9), 2817-2825.  

DOI 10.1109/TAP.2008.928791

01-01-2008

Lumped element equivalent circuit for the cymbal resonator bandpass filter
Kelly JR, Seager RD and Wong T
Microwave and Optical Technology Letters vol. 50 (9), 2381-2384.  

DOI 10.1002/mop.23671

01-01-2008

Thin 2-D leaky-wave antenna formed by a double layer periodic array
Kelly J and Feresidis A
Antennas and Propagation Conference, 2008. LAPC 2008. Loughborough., 365-368.  

DOI 10.1109/LAPC.2008.4516942

01-01-2008

Combined wideband and narrowband antennas for cognitive radio applications
Kelly JR, Ebrahimi E, Hall PS, Gardner P and Ghanem F
 

DOI 10.1049/ic:20080396

01-01-2008

2007

Planar and cylindrical metamaterial structures for antenna applications
Chauraya A, Kelly J, Palikaras GK, Mulenga CB, Flint JA, Feresidis AP, Vardaxoglou JC, Passalacqua G, Capolino F and Albani M
Proc. of EMTS Int. URSI Commision B-Electromagnetic Theory Symp. 
01-01-2007

Simulations and Measurements of Dual-Band 2-D Periodic Leaky Wave Antenna
J. Kelly G. Passalacqua A. P. Feresidis F. Capolino M. Albani Y. C. Vardaxoglou
LAPC 2007, Burleigh Court Conference Centre, Loughborough University, UK., 293-296.  

DOI 10.1109/LAPC.2007.367487

01-01-2007

Dual-Band Leaky Wave Antenna Design
J.R. Kelly G. Passalacqua A. P. Feresidis F. Capolino M. Albani Y. C. Vardaxoglou
European Conference on Antennas and Propagation. 
01-01-2007

Low-profile high-gain sub-wavelength resonant cavity antennas for WiMax applications
Kelly JR and Feresidis AP
 

DOI 10.1049/ic.2007.0975

01-01-2007

Modelling and Design of Sub-wavelength Metamaterial Resonant Cavity Antennas
Kelly JR, Kokkinos T and Feresidis AP
Proc. on the First Intern. Congress on Advanced Electromagnetic Materials in Microwaves and Optics.–Rome. 
01-01-2007

Slit-slot loaded parallel coupled-line filter
Kelly J and Seager R
Antennas and Propagation Conference, 2007. LAPC 2007. Loughborough., 253-256.  

DOI 10.1109/LAPC.2007.367477

01-01-2007

Dual frequency leaky-wave antenna analysis and design
Kelly JR, Passalacqua G, Feresidis AP, Capolino F, Albani M and Vardaxoglou YC
The Second European Conference on Antennas and Propagation, EuCAP 2007., 1-5.  

DOI 10.1049/ic.2007.0968

01-01-2007

2006

Planar microwave filters with reconfigurable or enhanced characteristics
Kelly J
 
01-01-2006

2005

Frequency switchable microstrip filter for microwave frequencies
Chauraya A, Kelly J, Seager RD and Vardaxoglou JC
Microwave Conference, 2005 European. vol. 1, 4-pp..  
01-01-2005

Frequency Switchable Microstrip Filter for Microwave Frequencies
Chauraya A, Kelly J, Seager RD and Vardaxoglou JC
2005 European Microwave Conference. vol. 1, 1-4.  

DOI 10.1109/eumc.2005.1608795

01-01-2005

2004

Metallodielectric Electromagnetic Bandgap (MEBG) Lumped Element Equivalent Circuit
J. Kelly A. Chauraya R. Seager J. Vardaxoglou
ARMMS, Milton House Hotel, Oxford. 
01-01-2004

Metallodielectric electromagnetic bandgap (MEBG) lumped element equivalent circuit
Kelly JR, Chauraya A, Seager RD and Vardaxoglou JC
PREP Poster Proceedings., 97-98.  
01-01-2004

Grants

Grants of specific relevance to the Centre for Electronics

STAR-RISs: Simultaneously Transmitting And Reflecting Reconfigurable Intelligent Surfaces
Yuanwei Liu, James Kelly and Zhijin Qin
£345,000 Huawei Technologies Sweden
30-12-2021 - 29-12-2022

Programmable Microwave Hardware Based on Liquid Wires (PROGRAMMABLE)
James Kelly
£425,970 EPSRC Engineering and Physical Sciences Research Council
01-05-2021 - 24-01-2025

Brunel Lime Hub: Characterizing gallium-based metal flow with surface oxidization: A study of liquid metal flows with oxide layer
James Kelly
£5,884 University of Surrey
01-01-2020 - 30-06-2020

Millimeter-wave antennas and components for future mobile broadband networks - GRANT TRANSFER
James Kelly
£192,378 EPSRC Engineering and Physical Sciences Research Council
26-01-2019 - 04-12-2020