All Outputs (170)

High Performance Metasurface-Based On-Chip Antenna for Terahertz Integrated Circuits (2020)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C. H., A. Abd-Alhameed, R., Falcone, F., & Limiti, E. (2020, July). High Performance Metasurface-Based On-Chip Antenna for Terahertz Integrated Circuits. Presented at 2020 Third International Workshop on Mobile Terahertz Systems (IWMTS), Essen, Germany

This paper presents a simple prototype of a metasurface-based on-chip antenna operating in 0.3-0.32 THz. The proposed structure is constructed from two layers of polyimide-substrates with thickness of 0.1mm that sandwich a middle metallic ground-plan... Read More about High Performance Metasurface-Based On-Chip Antenna for Terahertz Integrated Circuits.

Metasurface for Controlling Polarization of Scattered EM Waves (2020)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2020, February). Metasurface for Controlling Polarization of Scattered EM Waves. Presented at 4th Australian Microwave Symposium, Sydney, Australia

A unique metasurface is presented that can be used to control the polarization of electromagnetic waves. The dual band metasurface is realized by stacking an array of multiple concentric circular rings. By rotating each array with r... Read More about Metasurface for Controlling Polarization of Scattered EM Waves.

Automated Reconfigurable Antenna Impedance for Optimum Power Transfer (2020)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., Hwang See, C., Abd-Alhameed, R. A., Falcone, F., & Limiti, E. (2020). Automated Reconfigurable Antenna Impedance for Optimum Power Transfer. . https://doi.org/10.1109/APMC46564.2019.9038260

This paper presents an approach to implement an automatically tuning antenna for optimising power transfer suitable for software defined radio (SDR). The automatic tunability of the frequency selective antenna is achieved by a closed-loop automatic a... Read More about Automated Reconfigurable Antenna Impedance for Optimum Power Transfer.

A Novel 0.3-0.31 THz GaAs-Based Transceiver with On-Chip Slotted Metamaterial Antenna Based on SIW Technology (2020)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., Hwang See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019, December). A Novel 0.3-0.31 THz GaAs-Based Transceiver with On-Chip Slotted Metamaterial Antenna Based on SIW Technology. Presented at 2019 IEEE Asia-Pacific Microwave Conference (APMC), Singapore

This paper presents a novel on-chip antenna with fully integrated 0.3-0.31 THz transceiver implemented on 0.5μm GaAs substrate. The transceiver consists of a voltage-controlled oscillator (VCO), a buffer, a modulator, a power amplifier, a frequency t... Read More about A Novel 0.3-0.31 THz GaAs-Based Transceiver with On-Chip Slotted Metamaterial Antenna Based on SIW Technology.

Overcome the Limitations of Performance Parameters of On-Chip Antennas Based on Metasurface and Coupled Feeding Approaches for Applications in System-on-Chip for THz Integrated-Circuits (2020)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., Hwang See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019, December). Overcome the Limitations of Performance Parameters of On-Chip Antennas Based on Metasurface and Coupled Feeding Approaches for Applications in System-on-Chip for THz Integrated-Circuits. Presented at 2019 IEEE Asia-Pacific Microwave Conference (APMC), Singapore

This paper proposes a new solution to improve the performance parameters of on-chip antenna designs on standard CMOS silicon technology. The proposed method is based on applying the metasurface technique and exciting the radiating elements through co... Read More about Overcome the Limitations of Performance Parameters of On-Chip Antennas Based on Metasurface and Coupled Feeding Approaches for Applications in System-on-Chip for THz 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 Integrated Systems. Presented at 13th International Congress on Artificial Materials for Novel Wave Phenomena – Metamaterials, Rome, Italy

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.

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-Circuits. Presented at 13th International Congress on Artificial Materials for Novel Wave Phenomena – Metamaterials, Rome, Italy

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 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 on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Paris, France

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.

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.

New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle (2018)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., Khalily, M., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2018, November). New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle. Presented at 2018 Asia-Pacific Microwave Conference (APMC), Kyoto

In this work it is demonstrated that substrate integrated waveguide longitudinal slotted array antenna (SIWLSAA) which is loaded with metal fences exhibits highisolation across VHF/UHF bands. A reference SIWLSAA used for comparison purpose comprises... Read More about New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle.

A New Waveguide Slot Array Antenna with High Isolation and High Antenna Bandwidth Operation on Ku- and K-bands for Radar and MIMO Systems (2018)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2018, September). A New Waveguide Slot Array Antenna with High Isolation and High Antenna Bandwidth Operation on Ku- and K-bands for Radar and MIMO Systems. Presented at 2018 15th European Radar Conference (EuRAD), Madrid

In this paper a novel technique is proposed to reduce the mutual coupling between the radiating elements of a waveguide slot array antenna. This is achieved by inserting slots between the waveguide oval shaped slots. The reference waveguide array ant... Read More about A New Waveguide Slot Array Antenna with High Isolation and High Antenna Bandwidth Operation on Ku- and K-bands for Radar and MIMO Systems.

Study on Antenna Mutual Coupling Suppression Using Integrated Metasurface Isolator for SAR and MIMO Applications (2018)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., Falcone, F., Andujar, A., Anguera, J., & Limiti, E. (2018, September). Study on Antenna Mutual Coupling Suppression Using Integrated Metasurface Isolator for SAR and MIMO Applications. Presented at 2018 48th European Microwave Conference (EuMC), Madrid, Spain

A metasurface based decoupling structure that is composed of a square-wave slot pattern with exaggerated corners that is implemented on a rectangular microstrip provides high-isolation between adjacent patch antennas for Synthetic Aperture Radar (SAR... Read More about Study on Antenna Mutual Coupling Suppression Using Integrated Metasurface Isolator for SAR and MIMO Applications.

Mutual-Coupling Reduction in Metamaterial Substrate Integrated Waveguide Slotted Antenna Arrays Using Metal Fence Isolators for SAR and MIMO Applications (2018)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2018, August). Mutual-Coupling Reduction in Metamaterial Substrate Integrated Waveguide Slotted Antenna Arrays Using Metal Fence Isolators for SAR and MIMO Applications. Presented at 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials), Espoo

A new type of mutual coupling reduction technique is applied to metamaterial substrate integrated waveguide (SIW) slotted antenna array. The circular shaped reference SIW antenna array is constructed from Alumina substrate with dimensions of 40×5×1.5... Read More about Mutual-Coupling Reduction in Metamaterial Substrate Integrated Waveguide Slotted Antenna Arrays Using Metal Fence Isolators for SAR and MIMO Applications.

New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle (2018)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2018, July). New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle. Presented at 14th Conference on PhD research in Microelectronics and Electronics (PRIME 2018), Prague, Czech Republic

In this work it is demonstrated that substrate integrated waveguide longitudinal slotted array antenna (SIWLSAA) which is loaded with metal fences exhibits highisolation across VHF/UHF bands. A reference SIWLSAA used for comparison purpose comprises... Read More about New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle.

Array Antenna for Synthetic Aperture Radar Operating in X and Ku-Bands: A Study to Enhance Isolation Between Radiation Elements (2018)
Presentation / Conference Contribution
Alibakhshikenari, M., Limiti, E., Virdee, B. S., See, C. H., Abd-Alhameed, R. A., & Falcone, F. (2018). Array Antenna for Synthetic Aperture Radar Operating in X and Ku-Bands: A Study to Enhance Isolation Between Radiation Elements.

Modern synthetic aperture radars (SAR) require a system bandwidth of greater than 1 GHz. Waveguide slot antennas are popular for use in SAR applications because of their inherent advantages, namely high efficiency and power handling capability, but s... Read More about Array Antenna for Synthetic Aperture Radar Operating in X and Ku-Bands: A Study to Enhance Isolation Between Radiation Elements.

Mutual Coupling Reduction Using Metamaterial Supersubstrate for High Performance & Densely Packed Planar Phased Arrays (2018)
Presentation / Conference Contribution
Alibakhshikenari, M., Salvucci, A., Virdee, B. S., Polli, G., See, C. H., Abd-Alhameed, R., Falcone, F., Andújar, A., Anguera, J., & Limiti, E. (2018, May). Mutual Coupling Reduction Using Metamaterial Supersubstrate for High Performance & Densely Packed Planar Phased Arrays. Presented at 22nd International Microwave and Radar Conference MIKON, Poznań, Poland

This paper proposes on an effective mutual coupling suppression technique for planar phased array. This is achieved locating a metamaterial superstrate patch between radiation elements of phased array. The superstrate patch is realised by incorporati... Read More about Mutual Coupling Reduction Using Metamaterial Supersubstrate for High Performance & Densely Packed Planar Phased Arrays.

Simulation of PMSM in maxwell 3D/simplorer to optimize direct flux control (2017)
Presentation / Conference Contribution
Mueller, T., See, C., Ghani, A., & Thiemann, P. (2017). Simulation of PMSM in maxwell 3D/simplorer to optimize direct flux control. . https://doi.org/10.1109/ISIE.2017.8001274

This paper discusses the problem of a sensorless control method for permanent magnet synchronous machines named Direct Flux Control (DFC). Direct Flux Control provides its users with the angle of the total flux in the machine at all working points, i... Read More about Simulation of PMSM in maxwell 3D/simplorer to optimize direct flux control.

Current technologies and location based services (2017)
Presentation / Conference Contribution
Ahmad, I., Asif, R., Abd-Alhameed, R., Alhassan, H., Elmegri, F., Noras, J., …Jones, S. (2017). Current technologies and location based services. . https://doi.org/10.1109/itecha.2017.8101958

This paper examines the benefits and drawbacks of these services, reviewing differences in infrastructure, power requirements, sensing devices, and other factors. Technologies covered include Radio Frequency Identification, GSM, GPS, A-GPS, Smart Ant... Read More about Current technologies and location based services.

Quad-Ridge Flared Horn feed design for Radio telescope receiver system Using a Genetic Algorithm (2016)
Presentation / Conference Contribution
Ma, Y., Yu, J., Pang, F., & See, C. H. (2016). Quad-Ridge Flared Horn feed design for Radio telescope receiver system Using a Genetic Algorithm.

Future broadband radio telescopes require broadband feeds for reflector antennas, and many new broadband feed technologies have gained substantial progress to satisfy the touch specifications for future radio telescope projects, such as the square ki... Read More about Quad-Ridge Flared Horn feed design for Radio telescope receiver system Using a Genetic Algorithm.

Printed wideband MIMO antenna for mobile and portable communication devices (2015)
Presentation / Conference Contribution
See, C., Elkazmi, E., Samarah, K., Khambashi, M., Ali, A., Abd-Alhameed, R., McEwan, N., & Excell, P. (2015, July). Printed wideband MIMO antenna for mobile and portable communication devices. Presented at WiSATS: International Conference on Wireless and Satellite Systems, Bradford, UK

A printed crescent-shaped monopole MIMO antenna is presented for handheld wireless communication devices. The mutual coupling between the two antenna elements can be minimised by implementing a I-shaped common radiator. Both the simulated and measure... Read More about Printed wideband MIMO antenna for mobile and portable communication devices.