Outputs (229)

Quadrifilar Helical Antenna Design for Satellite-Mobile Handsets Using Genetic Algorithms (2009)
Journal Article
Zhou, D., See, C., Alhameed, R., Excell, P., Khalil, K., Hu, Y., & McEwan, N. (2009). Quadrifilar Helical Antenna Design for Satellite-Mobile Handsets Using Genetic Algorithms. Microwave and Optical Technology Letters, 51(11), 2668-2671. https://doi.org/10.1002/mop.24694

A circularly polarized quadrifilar helical antenna, operated at 2.4 GHz and intended for applications in satellite mobile communications, is designed using genetic algorithms (GA). The antenna was firstly considered as a test on an infinite ground pl... Read More about Quadrifilar Helical Antenna Design for Satellite-Mobile Handsets Using Genetic Algorithms.

Dendritic cell trafficking: from Immunology to Engineering. (2009)
Presentation / Conference Contribution
Hart, E., & Davoudani, D. (2009). Dendritic cell trafficking: from Immunology to Engineering. In Artificial Immune Systems (11-13). https://doi.org/10.1007/978-3-642-03246-2_4

The field of Artificial Immune Systems (AIS) has derived inspiration from many different elements of the natural immune system in order to develop engineered systems that operate in environments with constraints similar to those faced by the immune s... Read More about Dendritic cell trafficking: from Immunology to Engineering..

A Wire-Grid Adaptive Meshing Program for Microstrip Patch Antenna Designs Using a Genetic Algorithm (2009)
Journal Article
Abd-Alhameed, R., Zhou, D., See, C., & Excel, P. (2009). A Wire-Grid Adaptive Meshing Program for Microstrip Patch Antenna Designs Using a Genetic Algorithm. IEEE Antennas and Propagation Magazine, 51(1), 147-151. https://doi.org/10.1109/MAP.2009.4939045

A program to adaptively generate equivalent wire-grid structures for electromagnetic simulation of two-dimensional structures has been developed. The main purpose of this program is to simulate planar microstrip-patch antenna designs, using the numer... Read More about A Wire-Grid Adaptive Meshing Program for Microstrip Patch Antenna Designs Using a Genetic Algorithm.

Representation in the (Artificial) Immune System (2009)
Journal Article
McEwan, C., & Hart, E. (2009). Representation in the (Artificial) Immune System. Journal of Mathematical Modelling and Algorithms, 8(2), 125-149. https://doi.org/10.1007/s10852-009-9104-6

Much of contemporary research in Artificial Immune Systems (AIS) has partitioned into either algorithmic machine learning and optimisation, or, modelling biologically plausible dynamical systems, with little overlap between. We propose that this dich... Read More about Representation in the (Artificial) Immune System.

Computing the State of Specknets: an immune-inspired approach. (2009)
Presentation / Conference Contribution
Davoudani, D., Hart, E., & Paechter, B. (2009). Computing the State of Specknets: an immune-inspired approach. In Performance Evaluation of Computer and Telecommunication Systems, 2008. SPECTS 2008. International Symposium on (52-59)

Speckled Computing is an emerging technology based on the
deployment of thousands of minute semiconductor grains in
dense, wireless networks known as Specknets. Specknets collect
and process data to achieve some application dependent
functionalit... Read More about Computing the State of Specknets: an immune-inspired approach..

Computing the State of Specknets: further analysis of an innate immune-inspired model. (2008)
Presentation / Conference Contribution
Davoudani, D., Hart, E., & Paechter, B. (2008, August). Computing the State of Specknets: further analysis of an innate immune-inspired model

Specknets consist of hundreds of miniature devices, which are each capable of processing data and communicating wirelessly across short distances. Such networks, with their great complexity, pose considerable challenges for engineers due to the unrel... Read More about Computing the State of Specknets: further analysis of an innate immune-inspired model..

Boosting the Immune System (2008)
Presentation / Conference Contribution
McEwan, C., Hart, E., & Paechter, B. (2008). Boosting the Immune System. In Artificial Immune Systems (316-327). https://doi.org/10.1007/978-3-540-85072-4_28

Much of contemporary research in Artificial Immune Systems (AIS) has partitioned into either algorithmic machine learning and optimisation, or modelling biologically plausible dynamical systems, with little overlap between. Although the balance is la... Read More about Boosting the Immune System.

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.

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.

Measure The Range of Sensor Network (2008)
Journal Article
See, C., Abd-Alhameed, R., Zhou, D., Hu, Y., & Horoshenkov, K. (2008). Measure The Range of Sensor Network. Microwaves & RF, 54(10), 69-76

These experiments considered the practical transmission distances between wireless sensors and their base stations under different environmental conditions and with different antennas.

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.

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.

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.

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.

Application areas of AIS: The past, the present and the future (2008)
Journal Article
Hart, E., & Timmis, J. (2008). Application areas of AIS: The past, the present and the future. Applied Soft Computing, 8(1), 191-201. https://doi.org/10.1016/j.asoc.2006.12.004

After a decade of research into the area of artificial immune systems, it is worthwhile to take a step back and reflect on the contributions that the
paradigm has brought to the application areas to which it has been applied. Undeniably, there have... Read More about Application areas of AIS: The past, the present and the future.

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.

Carbon-friendly travel plan construction using an evolutionary algorithm (2007)
Presentation / Conference Contribution
Urquhart, N. B., & Urquhart, N. B. (2007, July). Carbon-friendly travel plan construction using an evolutionary algorithm. Presented at Proceedings of the 9th annual conference on Genetic and evolutionary computation - GECCO '07

This paper discusses the use of an evolutionary algorithm to design workplace travel plans, to promote car sharing and reduce carbon emissions from single-occupancy motor vehicles.

Finding feasible timetables using group-based operators. (2007)
Journal Article
Lewis, R. M. R., & Paechter, B. (2007). Finding feasible timetables using group-based operators. IEEE Transactions on Evolutionary Computation, 11, 397-413. https://doi.org/10.1109/TEVC.2006.885162

This paper describes the applicability of the so-called "grouping genetic algorithm" to a well-known version of the university course timetabling problem. We note that there are, in fact, various scaling up issues surrounding this sort of algorithm a... Read More about Finding feasible timetables using group-based operators..

Instant messaging: using log files to identify patterns of interaction in group of teenage users. (2005)
Presentation / Conference Contribution
Davison, B., & Buckner, K. (2005, April). Instant messaging: using log files to identify patterns of interaction in group of teenage users. Presented at IFIP WG 9.3 HOIT2005 Conference, York

This paper presents preliminary findings on teenagers’ use of instant messaging (IM) as an example of an Internet technology. The results are quantitative, being drawn from the information held in users’ IM log files. The current purpose is to valida... Read More about Instant messaging: using log files to identify patterns of interaction in group of teenage users..

A role for immunology in 'next generation' robots. (2003)
Presentation / Conference Contribution
Hart, E., Ross, P., Webb, A., & Lawson, A. (2003). A role for immunology in 'next generation' robots. In J. Timmis, P. Bentley, & E. Hart (Eds.), Artificial Immune Systems. ICARIS 2003 (46-56). https://doi.org/10.1007/978-3-540-45192-1_5

Much of current robot research is about learning tasks in which the task to be achieved is pre-specified, a suitable technology for the task is chosen and the learning process is experimentally investigated. A more interesting research question is ho... Read More about A role for immunology in 'next generation' robots..