Outputs (226)

Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy (2017)
Journal Article
See, C. H., Abd-Alhameed, R. A., Mirza, A. F., McEwan, N. J., Excell, P. S., & Balzano, Q. (2017). Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy. The Applied Computational Electromagnetics Society Journal, 32(1), 1-7

An efficient way to test for potential unsymmetrical nonlinear responses in biological tissue samples exposed to a microwave signal is to observe the second harmonic in a cavity resonant at the two frequencies, with collocated antinodes. Such a respo... Read More about Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy.

Conical beam monopole antenna design for Chinese area positioning system (2016)
Journal Article
Pang, F., Ai, G., Yin, J., Ma, Y., Hu, C., Cui, J., Ma, L., See, C. H., & Abd-Alhameed, R. A. (2016). Conical beam monopole antenna design for Chinese area positioning system. Progress in Electromagnetics Research C: PIER C, 68, 193-200. https://doi.org/10.2528/pierc16083005

This article describes the operational principle of the satellite-based Chinese Area Positioning System (CAPS) and proposes a monopole antenna for a large anchored buoy platform in harsh marine environment. The proposed antenna is highly omnidirectio... Read More about Conical beam monopole antenna design for Chinese area positioning system.

A compact and broadband balun design for LTE applications (2016)
Journal Article
Elfergani, I. T. E., Hussaini, A. S., Rodriguez, J., Ali, A. H., See, C. H., & Abd-Alhameed, R. A. (2016). A compact and broadband balun design for LTE applications. Progress in electromagnetics research B: PIER B, 67, 85-95. https://doi.org/10.2528/pierc16071805

In this paper, a compact wideband planar balun is studied and investigated. The proposed balun comprises a broadband Wilkinson divider followed by non-coupled lines to attain wideband 180° phase shift. Due to the inherent broadband characteristics of... Read More about A compact and broadband balun design for LTE applications.

A novel method for rapid inspection of sewer networks: combining acoustic and optical means (2015)
Journal Article
Plihal, H., Kretschmer, F., Ali, M. T. B., See, C. H., Romanova, A., Horoshenkov, K. V., & Ertl, T. (2016). A novel method for rapid inspection of sewer networks: combining acoustic and optical means. Urban Water Journal, 13(1), 3-14. https://doi.org/10.1080/1573062x.2015.1076857

Operation and maintenance of the public sewer system represent key tasks for an operator. Condition assessment is usually conducted by conventional closed circuit television (CCTV) inspection. However, alternative tools such as manhole-zoom cameras (... Read More about A novel method for rapid inspection of sewer networks: combining acoustic and optical means.

Step forward to map fully parallel energy efficient cortical columns on field programmable gate arrays (2014)
Journal Article
Ghani, A., See, C. H., & Usman Ali, S. M. U. (2014). Step forward to map fully parallel energy efficient cortical columns on field programmable gate arrays. IET Science, Measurements and Technology, 8(6), 432-440. https://doi.org/10.1049/iet-smt.2014.0004

This study presents energy and area-efficient hardware architectures to map fully parallel cortical columns on reconfigurable platform - field programmable gate arrays (FPGAs). An area-efficient architecture is proposed at the system level and benchm... Read More about Step forward to map fully parallel energy efficient cortical columns on field programmable gate arrays.

Ultra-Wideband Dual-Polarized Patch Antenna With Four Capacitively Coupled Feeds (2014)
Journal Article
Zhu, F., Gao, S., Ho, A. T. S., Abd-Alhameed, R. A., See, C. H., Brown, T. W. C., Li, J., Wei, G., & Xu, J. (2014). Ultra-Wideband Dual-Polarized Patch Antenna With Four Capacitively Coupled Feeds. IEEE Transactions on Antennas and Propagation, 62(5), 2440-2449. https://doi.org/10.1109/tap.2014.2308524

A novel dual-polarized patch antenna for ultra-wideband (UWB) applications is presented. The antenna consists of a square patch and four capacitively coupled feeds to enhance the impedance bandwidth. Each feed is formed by a vertical isosceles tr... Read More about Ultra-Wideband Dual-Polarized Patch Antenna With Four Capacitively Coupled Feeds.

Design of a printed MIMO/diversity monopole antenna for future generation handheld devices: Design of a Printed MIMO/Diversity Monopole Antenna (2013)
Journal Article
See, C. H., Abd-Alhameed, R. . A., McEwan, N. . J., Jones, S. M. R., Asif, R., & Excell, P. . S. (2014). Design of a printed MIMO/diversity monopole antenna for future generation handheld devices: Design of a Printed MIMO/Diversity Monopole Antenna. International Journal of RF and Microwave Computer-Aided Engineering, 24(3), 348-359. https://doi.org/10.1002/mmce.20767

This article presents a printed crescent-shaped monopole MIMO diversity antenna for wireless communications. The port-to-port isolation is increased by introducing an I-shaped conductor symmetrically between the two antenna elements and shaping the... Read More about Design of a printed MIMO/diversity monopole antenna for future generation handheld devices: Design of a Printed MIMO/Diversity Monopole Antenna.

Wideband tunable PIFA antenna with loaded slot structure for mobile handset and LTE applications (2014)
Journal Article
Elfergani, I., Hussaini, A. S., Rodriguez, J., See, C. H., & Abd-Alhameed, R. (2014). Wideband tunable PIFA antenna with loaded slot structure for mobile handset and LTE applications. Radioengineering, 23(1), 345-355

A compact planar inverted F antenna (PIFA) with a tunable frequency response is presented. Tuning of the resonant frequency is realized by loading a varactor on an embedded slot of the proposed antenna structure without further optimizing other anten... Read More about Wideband tunable PIFA antenna with loaded slot structure for mobile handset and LTE applications.

Dual-band planar inverted F-L antenna structure for bluetooth and ZigBee applications (2017)
Book Chapter
See, C. H., Oguntala, G. A., Shuaieb, W., Noras, J. M., & Excell, P. S. (2018). Dual-band planar inverted F-L antenna structure for bluetooth and ZigBee applications. In I. Elfergani, A. Hussaini, J. Rodriguez, & R. Abd-Alhameed (Eds.), Antenna Fundamentals for Legacy Mobile Applications and Beyond (39-52). Springer. https://doi.org/10.1007/978-3-319-63967-3_2

This chapter will present and analyse a compact and dual frequency inverted L-F antennas for the operating frequency bands to meet the requirement for IEEE 802.11a/b/g, Bluetooth and ZigBee standards; the optimal design providing a compromise between... Read More about Dual-band planar inverted F-L antenna structure for bluetooth and ZigBee applications.

Optimising Real-World Traffic Cycle Programs by Using Evolutionary Computation (2019)
Journal Article
Segredo, E., Luque, G., Segura, C., & Alba, E. (2019). Optimising Real-World Traffic Cycle Programs by Using Evolutionary Computation. IEEE Access, 7, 43915-43932. https://doi.org/10.1109/ACCESS.2019.2908562

Traffic congestion, and the consequent loss of time, money, quality of life, and higher pollution, is currently one of the most important problems in cities, and several approaches have been proposed to reduce it. In this paper, we propose a novel for... Read More about Optimising Real-World Traffic Cycle Programs by Using Evolutionary Computation.

Algorithm selection using deep learning without feature extraction (2019)
Presentation / Conference Contribution
Alissa, M., Sim, K., & Hart, E. (2019). Algorithm selection using deep learning without feature extraction. In GECCO '19: Proceedings of the Genetic and Evolutionary Computation Conference Companion (198-206). https://doi.org/10.1145/3321707.3321845

We propose a novel technique for algorithm-selection which adopts a deep-learning approach, specifically a Recurrent-Neural Network with Long-Short-Term-Memory (RNN-LSTM). In contrast to the majority of work in algorithm-selection, the approach does... Read More about Algorithm selection using deep learning without feature extraction.

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.

Design of Multiband Balanced Folded Dipole Antenna Based on a Dual-arm Structure for Mobile Handsets (2008)
Journal Article
Zhou, D., Abd-Alhameed, R., See, C., & Excell, P. (2008). Design of Multiband Balanced Folded Dipole Antenna Based on a Dual-arm Structure for Mobile Handsets. Progress In Electromagnetics Research Letters, 4, 821-824. https://doi.org/10.2529/piers071221132026

In this paper, a balanced antenna for mobile handset applications with enhanced bandwidth performance, that covers four bands (GSM1800, GSM1900, UMTS and 2.4-GHz WLAN), is investigated. The antenna is a slot planar dipole with folded structure and a... Read More about Design of Multiband Balanced Folded Dipole Antenna Based on a Dual-arm Structure for Mobile Handsets.

Wideband Loaded Wire Bow-tie Antenna for Near Field Imaging Using Genetic Algorithms (2008)
Journal Article
Chung, S., Abd-Alhameed, R., See, C., & Excell, P. (2008). Wideband Loaded Wire Bow-tie Antenna for Near Field Imaging Using Genetic Algorithms. Progress In Electromagnetics Research Letters, 4, 591-595. https://doi.org/10.2529/piers080116072623

The potentially broad application area in engineering design using Genetic Algorithm (GA) has been widely adopted by many researchers due to its high consistency and accuracy. Presented here is the initial design of a wideband non-dispersive wire bow... Read More about Wideband Loaded Wire Bow-tie Antenna for Near Field Imaging Using Genetic Algorithms.

Finding Fair Negotiation Algorithms to Reduce Peak Electricity Consumption in Micro Grids (2019)
Presentation / Conference Contribution
Powers, S. T., Meanwell, O., & Cai, Z. (2019, June). Finding Fair Negotiation Algorithms to Reduce Peak Electricity Consumption in Micro Grids. Presented at 17th International Conference on Practical Applications of Agents and Multi-Agent Systems, Avila, Spain

Reducing peak electricity consumption is important to maximise use of renewable energy sources, and reduce the total amount of capacity required on a grid. Most approaches use a centralised optimisation algorithm run by a utility company. Here we dev... Read More about Finding Fair Negotiation Algorithms to Reduce Peak Electricity Consumption in Micro Grids.

Computation of Electromagnetic Fields in Assemblages of Biological Cells Using a Modified Finite-Difference Time-Domain Scheme (2007)
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 requires extremely small time-step sizes, which may lead to excessive computation... Read More about Computation of Electromagnetic Fields in Assemblages of Biological Cells Using a Modified Finite-Difference Time-Domain Scheme.

Dual-Frequency Planar Inverted F-L-Antenna (PIFLA) for WLAN and Short Range Communication Systems (2008)
Journal Article
See, C. H., Abd-Alhameed, R. A., Zhou, D., & Excell, P. S. (2008). Dual-Frequency Planar Inverted F-L-Antenna (PIFLA) for WLAN and Short Range Communication Systems. IEEE Transactions on Antennas and Propagation, 56(10), 3318-3320. https://doi.org/10.1109/tap.2008.929537

The design and analysis is presented of a low profile and dual- frequency inverted L-F antenna for WLAN and short range wireless communications, providing a compromise between size reduction and attainable bandwidth. The optimum (minimized) volume of... Read More about Dual-Frequency Planar Inverted F-L-Antenna (PIFLA) for WLAN and Short Range Communication Systems.

Internal triple-band folded planar antenna design for third generation mobile handsets (2008)
Journal Article
See, C., Abd-Alhameed, R., Excell, P., McEwan, N., & Gardiner, J. (2008). Internal triple-band folded planar antenna design for third generation mobile handsets. IET microwaves, antennas & propagation, 2(7), 718-724. https://doi.org/10.1049/iet-map%3A20070356

A novel internal triple-band folded planar antenna for mobile handsets is introduced, formed by modifying the geometry of a rectangular patch antenna to include a shorting pin, folded sides, a shorted microstrip stub and a notch. The size of the ante... Read More about Internal triple-band folded planar antenna design for third generation mobile handsets.

Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies (2008)
Journal Article
See, C., Abd-Alhameed, R., Excell, P., & Zhou, D. (2008). Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies. Progress In Electromagnetics Research Letters, 4(1), 6-10

The paper demonstrates the modelling of the interaction mechanism between the biological tissues and electromagnetic field at mobile communication frequency ranges. The implementing of modified FDTD numerical method using frequency scaled FDTD with F... Read More about Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies.

Design An Integrated Oscillator/Antenna (2008)
Journal Article
Abd-Alhameed, R., Zhou, D., See, C., Excell, P., Ghorbani, A., & McEwan, N. (2008). Design An Integrated Oscillator/Antenna. Microwaves & RF, 47(3), 59-66

This design tightly integrated an active oscillator with a microstrip patch antenna for miniaturization in WLAN, Bluetooth, and other 2.45-GHz systems.