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Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators

Journal Article
Zebiri, C., Sayad, D., Elfergani, I., Kosha, J., Mshwat, W., See, C. H., …Abd-Alhameed, R. (2019)
Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators. IEEE Access, 7, 166776-166787. https://doi.org/10.1109/ACCESS.2019.2949527
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 di...

Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators

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, https://doi.org/10.1016/j.nanoen.2019.104291
The rapid uptake of energy harvesting triboelectric nanogenerators (TENGs) for self-powered electronics requires the development of high-performance tribo-materials capable of...

Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems

Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Falcone, F., …Limiti, E. (2020)
Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems. IET Microwaves, Antennas and Propagation, 14(3), 183-188. https://doi.org/10.1049/iet-map.2019.0362
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 a...

Mutual Coupling Reduction of Dual-Band Uni-Planar MIMO System Using Neutralization Line Technique

Journal Article
Saleh, A. M., Nagem, T. A., Abd-Alhameed, R., Noras, J., & See, C. H. (2020)
Mutual Coupling Reduction of Dual-Band Uni-Planar MIMO System Using Neutralization Line Technique. The Applied Computational Electromagnetics Society Journal, 35(2), 176-186
This paper presents a low–profile dual-band (2×2) MIMO antenna that works at 2.4GHz, 5.2GHz and 5.8GHz for wireless local area networks (WLAN) applications. A neutralization l...

Study on Improvement of the Performance Parameters of a Novel 0.41-0.47 THz On-Chip Antenna Based on Metasurface Concept Realized on 50um GaAs-Layer

Journal Article
Alibakhshikenari, M., Virdee, B. S., See, C. H., Shukla, P., Salekzamankhani, S., Abd-Alhameed, R., …Limiti, E. (2020)
Study on Improvement of the Performance Parameters of a Novel 0.41-0.47 THz On-Chip Antenna Based on Metasurface Concept Realized on 50um GaAs-Layer. Scientific Reports, 10(1), https://doi.org/10.1038/s41598-020-68105-z
A feasibility study is presented on the performance parameters of a novel on-chip antenna based on metasurface technology at terahertz band. The proposed metasurface on-chip a...

Improved Adaptive Impedance Matching for RF Front-End Systems of Wireless Transceivers

Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, . P., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, . E. (2020)
Improved Adaptive Impedance Matching for RF Front-End Systems of Wireless Transceivers. Scientific Reports, 10(1), https://doi.org/10.1038/s41598-020-71056-0
In this paper an automatic adaptive antenna impedance tuning algorithm is presented that is based on quantum inspired genetic optimization technique. The proposed automatic qu...

Antennas for Emerging 5G Systems

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 re...

Computation of Electromagnetic Fields in Assemblages of Biological Cells Using a Modified Finite-Difference Time-Domain Scheme

Journal Article
See, C. H., Abd-Alhameed, R. A., & Excell, P. S. (2007)
Computation of Electromagnetic Fields in Assemblages of Biological Cells Using a Modified Finite-Difference Time-Domain Scheme. IEEE Transactions on Microwave Theory and Techniques, 55(9), 1986-1994. https://doi.org/10.1109/tmtt.2007.904064
When modeling objects that are small compared with the wavelength, e.g., biological cells at radio frequencies, the standard finite-difference time-domain (FDTD) method requir...

Design of Mobile Band Subsurface Antenna for Drainage Infrastructure Monitoring

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://doi.org/10.1049/iet-map.2019.0243
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...

Wideband Printed MIMO/Diversity Monopole Antenna for WiFi/WiMAX Applications

Journal Article
See, C. H., Abd-Alhameed, R. A., Abidin, Z. Z., McEwan, N. J., & Excell, P. S. (2012)
Wideband Printed MIMO/Diversity Monopole Antenna for WiFi/WiMAX Applications. IEEE Transactions on Antennas and Propagation, 60(4), 2028-2035. https://doi.org/10.1109/tap.2012.2186247
A novel printed diversity monopole antenna is presented for WiFi/WiMAX applications. The antenna comprises two crescent shaped radiators placed symmetrically with respect to a...