Outputs (18)

Accelerating Retinal Fundus Image Classification Using Artificial Neural Networks (ANNs) and Reconfigurable Hardware (FPGA) (2019)
Journal Article
Ghani, A., See, C. H., Sudhakaran, V., Ahmad, J., & Abd-Alhammed, R. (2019). Accelerating Retinal Fundus Image Classification Using Artificial Neural Networks (ANNs) and Reconfigurable Hardware (FPGA). Electronics, 8(12), https://doi.org/10.3390/electroni

Diabetic Retinopathy (DR) and Glaucoma are common eye diseases that affect a blood vessel in the retina and are one of the leading causes of vision loss around the world. Glaucoma is a common eye condition where the optic nerve that connects the eye... Read More about Accelerating Retinal Fundus Image Classification Using Artificial Neural Networks (ANNs) and Reconfigurable Hardware (FPGA).

Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems (2019)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Falcone, F., Quazzane, K., & Limiti, E. (2020). Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems. IET microwav

A metamaterial photonic bandgap (MTM-PBG) periodic structure is used as a decoupling frame to improve the isolation between transmit–receive (T/R) sections of densely packed array antenna in synthetic aperture radar (SAR) and multiple-input multiple-... Read More about Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems.

Silicon-Based 0.450-0.475 THz Series-Fed Double Dielectric Resonator On-Chip Antenna Array Based on Metamaterial Properties for Integrated-Circuits (2019)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019, September). Silicon-Based 0.450-0.475 THz Series-Fed Double Dielectric Resonator On-Chip Antenna Array Based on Metamaterial Properties for Integrated-Circuit

The antenna array designed to operate over 0.450-0.475 Terahertz comprises two dielectric resonators (DRs) that are stacked vertically on top of each other and placed on the surface of the slot antenna fabricated on a silicon substrate using standard... Read More about Silicon-Based 0.450-0.475 THz Series-Fed Double Dielectric Resonator On-Chip Antenna Array Based on Metamaterial Properties for Integrated-Circuits.

High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems (2019)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019, September). High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integra

A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits operating from 0.28 to 0.30 THz. The antenna structure comprises a square p... Read More about High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems.

Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators (2019)
Journal Article
Zhao, P., Soin, N., Kumar, A., Shi, L., Guan, S., Tsonos, C., …Luo, J. (2020). Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators. Nano Energy, 67, Article 104291. h

The rapid uptake of energy harvesting triboelectric nanogenerators (TENGs) for self-powered electronics requires the development of high-performance tribo-materials capable of providing large power outputs. This work reports on the synthesis and use... Read More about Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators.

Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators (2019)
Journal Article
Zebiri, C., Sayad, D., Elfergani, I., Kosha, J., Mshwat, W., See, C. H., Lashab, M., Rodriguez, J., Sayidmarie, K. H., Obeidat, H., & Abd-Alhameed, R. (2019). Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Apertu

A new compact Cylindrical Dielectric Resonator Antenna (CDRA) with a defected ground for ultra-wideband applications is presented. The structure is based on two cylindrical dielectric resonators asymmetrically located with respect to the center of an... Read More about Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators.

High Performance On-Chip Array Antenna Based on Metasurface Feeding Structure for Terahertz Integrated Circuits (2019)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., & Limiti, E. (2019, September). High Performance On-Chip Array Antenna Based on Metasurface Feeding Structure for Terahertz Integrated Circuits. Presented at 44th International Conference

In this letter, a novel on-chip array antenna with high-performances is investigated which is based on CMOS 20μm Silicon technology for operation over 0.6-0.65 THz. The proposed array structure is constructed on three layers composed of Silicon-Groun... Read More about High Performance On-Chip Array Antenna Based on Metasurface Feeding Structure for Terahertz Integrated Circuits.

Surface Wave Reduction in Antenna Arrays Using Metasurface Inclusion for MIMO and SAR Systems (2019)
Journal Article
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R. A., Falcone, F., & Limiti, E. (2019). Surface Wave Reduction in Antenna Arrays Using Metasurface Inclusion for MIMO and SAR Systems. Radio Science, 54(11), 1067-1075. https://doi.org/10.102

An effective method is presented for suppressing mutual coupling between adjacent radiating elements which is based on metasurface isolation for MIMO and synthetic aperture radar (SAR) systems. This is achieved by choking surface current waves induce... Read More about Surface Wave Reduction in Antenna Arrays Using Metasurface Inclusion for MIMO and SAR Systems.

Design of mobile band subsurface antenna for drainage infrastructure monitoring (2019)
Journal Article
See, C. H., Kosha, J., Mshwat, W. A., Abd-Alhameed, R. A., Ong, F. L., McEwan, N. J., & Excell, P. S. (2019). Design of mobile band subsurface antenna for drainage infrastructure monitoring. IET microwaves, antennas & propagation, 13(13), 2380-2385. https

This paper presents an underground subsurface wireless sensor for drainage infrastructure water level monitoring. It operates from 800 to 2170 MHz to cover the required GSM850/900, GSM1800/1900 and UMTS bands. The system consists of a wideband antenn... Read More about Design of mobile band subsurface antenna for drainage infrastructure monitoring.

Antennas for Emerging 5G Systems (2019)
Journal Article
Sayidmarie, K. H., McEwan, N. J., Excell, P. S., Abd-Alhameed, R. A., & See, C. H. (2019). Antennas for Emerging 5G Systems. International Journal of Antennas and Propagation, 2019, 1-3. https://doi.org/10.1155/2019/9290210

5G will support significantly faster mobile broadband speeds and extensive mobile data usage, as well as enabling the full potential of the Internet of Things. From virtual reality and autonomous cars, to the industrial internet and smart cities, 5G... Read More about Antennas for Emerging 5G Systems.

High-Isolation Leaky-Wave Array Antenna Based on CRLH-Metamaterial Implemented on SIW with ±30o Frequency Beam-Scanning Capability at Millimetre-Waves (2019)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Hwang See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019). High-Isolation Leaky-Wave Array Antenna Based on CRLH-Metamaterial Implemented on SIW with ±30o Frequency Beam-Scanning Capability at Millimetre-Waves

The paper presents a feasibility study on the design of a new metamaterial leaky-wave antenna (MTM-LWA) used in the construction of a 1 × 2 array which is implemented using substrate-integrated waveguide (SIW) technology for millimetre-wave beamformi... Read More about High-Isolation Leaky-Wave Array Antenna Based on CRLH-Metamaterial Implemented on SIW with ±30o Frequency Beam-Scanning Capability at Millimetre-Waves.

Super-Wide Impedance Bandwidth Planar Antenna for Microwave and Millimetre-Wave Applications (2019)
Journal Article
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R. A., Falcone, F., & Limiti, E. (2019). Super-Wide Impedance Bandwidth Planar Antenna for Microwave and Millimetre-Wave Applications. Sensors, 19(10), https://doi.org/10.3390/s19102306

The feasibility study of a novel configuration for a super-wide impedance planar antenna is presented based on a 2×2 microstrip patch antenna (MPA) using CST Microwave Studio. The antenna comprises a symmetrical arrangement of four-square patches tha... Read More about Super-Wide Impedance Bandwidth Planar Antenna for Microwave and Millimetre-Wave Applications.

Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas (2019)
Journal Article
Alibakhshikenari, M., Khalily, M., Virdee, B. S., Hwang See, C., Abd-Alhameed, R. A., & Limiti, E. (2019). Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas. IEEE Access, 9, 51827-51840. htt

This article presents a unique technique to enhance isolation between transmit/receive radiating elements in densely packed array antenna by embedding a metamaterial (MTM) electromagnetic bandgap (EMBG) structure in the space between the radiating el... Read More about Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas.

Beam‐scanning leaky‐wave antenna based on CRLH‐metamaterial for millimetre‐wave applications (2019)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Khalily, M., …Limiti, E. (2019). Beam‐scanning leaky‐wave antenna based on CRLH‐metamaterial for millimetre‐wave applications. IET microwaves, antennas & propagation,

This paper presents empirical results of an innovative beam scanning leaky-wave antenna (LWA) which enables scanning over a wide angle from -35o to +34.5o between 57 GHz and 62 GHz, with broadside radiation centered at 60 GHz. The proposed LWA design... Read More about Beam‐scanning leaky‐wave antenna based on CRLH‐metamaterial for millimetre‐wave applications.

Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading (2019)
Journal Article
Alibakhshikenari, M., Khalily, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., & Limiti, E. (2019). Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading. IEEE Access, 7, 23606-23614. http

An approach is proposed to reduce mutual coupling between two closely spaced radiating elements. This is achieved by inserting a fractal isolator between the radiating elements. The fractal isolator is an electromagnetic bandgap structure based on me... Read More about Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading.

Efficiency Improvement of a Class E2 Converter for Low Power Inductive Links (2019)
Presentation / Conference Contribution
Bati, A., Luk, P. C., Aldhaher, S., See, C. H., Abd-Alhameed, R. A., & Excell, P. S. (2019). Efficiency Improvement of a Class E2 Converter for Low Power Inductive Links. . https://doi.org/10.1109/iwed.2019.8664221

This work presents a model of a Class E 2 converter for wireless medium power transfer applications. The converter operates at frequency of 200 kHz and consists of an inductive link with its primary coil driven by a class E inverter and the secondary... Read More about Efficiency Improvement of a Class E2 Converter for Low Power Inductive Links.

Dynamic Analysis Model of a Class E2 Converter for Low Power Wireless Charging Links (2019)
Journal Article
Bati, A., Luk, P., Aldhaher, S., See, C. H., Abd-Alhameed, R., & Excell, P. (2019). Dynamic Analysis Model of a Class E2 Converter for Low Power Wireless Charging Links. IET Circuits, Devices and Systems, 13(3), 399-405. https://doi.org/10.1049/iet-cds.20

A dynamic response analysis model of a Class E2 converter for wireless power transfer applications is presented. The converter operates at 200 kHz and consists of an induction link with its primary coil driven by a class E inverter and the secondary... Read More about Dynamic Analysis Model of a Class E2 Converter for Low Power Wireless Charging Links.

Double-Port Slotted-Antenna with Multiple Miniaturized Radiators for Wideband Wireless Communication Systems and Portable Devices (2019)
Journal Article
Alibakhshikenari, M., Khalily, M., Virdee, B. S., Ali, A., Shukla, P., See, C. H., …Limiti, E. (2019). Double-Port Slotted-Antenna with Multiple Miniaturized Radiators for Wideband Wireless Communication Systems and Portable Devices. Progress in Electro

Proof-of-concept is presented of a novel slot antenna structure with two excitation ports. Although this antenna provides a wide impedance bandwidth, its peak gain and optimum radiation efficiency are observed at its mid-band operational frequency. The... Read More about Double-Port Slotted-Antenna with Multiple Miniaturized Radiators for Wideband Wireless Communication Systems and Portable Devices.