Outputs (229)

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.

Generating single and multiple cooperative heuristics for the one dimensional bin packing problem using a single node genetic programming island model. (2013)
Presentation / Conference Contribution
Sim, K., & Hart, E. (2013, July). Generating single and multiple cooperative heuristics for the one dimensional bin packing problem using a single node genetic programming island model. Presented at 15th annual conference on Genetic and evolutionary computation

Novel deterministic heuristics are generated using Single Node Genetic Programming for application to the One Dimensional Bin Packing Problem. First a single deterministic heuristic was evolved that minimised the total number of bins used when applie... Read More about Generating single and multiple cooperative heuristics for the one dimensional bin packing problem using a single node genetic programming island model..

Using graphical information systems to improve vehicle routing problem instances. (2013)
Presentation / Conference Contribution
Urquhart, N. B., Scott, C., & Hart, E. (2013, July). Using graphical information systems to improve vehicle routing problem instances. Presented at 15th annual conference companion on Genetic and evolutionary computation

This paper makes the assertion that vehicle routing rearch has produced increasingly more powerful problem solvers, but has not increased the realism or compexity of typical problem instances. This paper argues that the time has come of use realistic... Read More about Using graphical information systems to improve vehicle routing problem instances..

Multiple Band-Notched UWB Antenna With Band-Rejected Elements Integrated in the Feed Line (2013)
Journal Article
Zhu, F., Gao, S., Ho, A. T., Abd-Alhameed, R. A., See, C. H., Brown, T. W. C., Li, J., Wei, G., & Xu, J. (2013). Multiple Band-Notched UWB Antenna With Band-Rejected Elements Integrated in the Feed Line. IEEE Transactions on Antennas and Propagation, 61(8), 3952-3960. https://doi.org/10.1109/tap.2013.2260119

To mitigate potential interferences with coexisting wireless systems operating over 3.3-3.6 GHz, 5.15-5.35 GHz, or 5.725-5.825 GHz bands, four novel band-notched antennas suitable for ultra-wideband (UWB) applications are proposed. These include UWB... Read More about Multiple Band-Notched UWB Antenna With Band-Rejected Elements Integrated in the Feed Line.

A Hyper-Heuristic classifier for one dimensional bin packing problems: Improving classification accuracy by attribute evolution. (2012)
Presentation / Conference Contribution
Sim, K., Hart, E., & Paechter, B. (2012, September). A Hyper-Heuristic classifier for one dimensional bin packing problems: Improving classification accuracy by attribute evolution. Presented at International Conference on Parallel Problem Solving from Nature

A hyper-heuristic for the one dimensional bin packing problem is presented that uses an Evolutionary Algorithm (EA) to evolve a set of attributes that characterise a problem instance. The EA evolves divisions of variable quantity and dimension that r... Read More about A Hyper-Heuristic classifier for one dimensional bin packing problems: Improving classification accuracy by attribute evolution..

Multi-band weakly ground-coupled balanced antenna design for portable devices (2012)
Journal Article
Zhou, D., Abd-Alhameed, R., Alhaddad, A., See, C. H., Noras, J., Excell, P., & Gao, S. (2012). Multi-band weakly ground-coupled balanced antenna design for portable devices. IET Science Measurement and Technology, 6(4), 306-310. https://doi.org/10.1049/iet-smt.2011.0151

A balanced antenna for wireless portable devices applications with multiple band operational performance is investigated and discussed. The designed antenna is weakly ground-couple, although can be considered as an energy-efficient radiator. The ante... Read More about Multi-band weakly ground-coupled balanced antenna design for portable devices.

Dual band-notched tapered slot antenna using λ/4 band-stop filters (2012)
Journal Article
Zhu, F., Gao, S., Li, J., Ho, A., See, C. H., Abd-Alhameed, R., & Xu, J. (2012). Dual band-notched tapered slot antenna using λ/4 band-stop filters. IET microwaves, antennas & propagation, 6(15), 1665-1673. https://doi.org/10.1049/iet-map.2012.0502

This study proposed a novel quarter-wavelength band-rejected element for band-notched antennas. It consists of a metal via and a rectangular strip connected to the radiating patch. In order to validate the design, a dual band-notched elliptically tap... Read More about Dual band-notched tapered slot antenna using λ/4 band-stop filters.

Folded Loop Balanced Coplanar Antenna for WLAN Applications (2012)
Journal Article
Alhaddad, A. G., Abd-Alhameed, R. A., Zhou, D., See, C. H., Excell, P. S., & Jones, S. M. R. (2012). Folded Loop Balanced Coplanar Antenna for WLAN Applications. IEEE Transactions on Antennas and Propagation, 60(10), 4916-4920. https://doi.org/10.1109/tap.2012.2207322

A novel balanced rectangular loop antenna is proposed, having an ungrounded coplanar waveguide (CPW) feed configuration and a folded structure at both ends. This antenna is designed for operation over the 2.4 GHz and 5 GHz WLAN frequency bands. Bond-... Read More about Folded Loop Balanced Coplanar Antenna for WLAN Applications.

Planar monopole antennas for new generation mobile and lower band ultra-wide band applications (2012)
Journal Article
See, C., Abd-Alhameed, R., Jones, S., Zhou, D., McEwan, N., Excell, P., Elmegri, F., & Noras, J. (2012). Planar monopole antennas for new generation mobile and lower band ultra-wide band applications. IET microwaves, antennas & propagation, 6(11), 1207-1214. https://doi.org/10.1049/iet-map.2012.0086

This study presents two multiband planar printed monopole antennas with an optimised size of 57 × 37.5 × 0.8 mm³ for mobile/wireless and low-band ultra-wide band (UWB) applications. Both these antennas are constructed as a chorded crescent-shaped rad... Read More about Planar monopole antennas for new generation mobile and lower band ultra-wide band applications.

A Compact Design of Tunable Band-Notched Ultra-Wide Band Antenna (2012)
Journal Article
See, C. H., Elfergani, I. E. E., Abd-Alhameed, R. A., Jones, S., & Excell, P. S. (2012). A Compact Design of Tunable Band-Notched Ultra-Wide Band Antenna. Microwave and Optical Technology Letters, 54(7), 1642-1644. https://doi.org/10.1002/mop.26907

In this letter, a compact ultrawideband planar inverted F‐L antenna with a tunable band‐notched response is presented. Tuning of the rejected frequency bands is realized by loading a variable capacitor on an embedded slot of the proposed antenna stru... Read More about A Compact Design of Tunable Band-Notched Ultra-Wide Band Antenna.

A frequency tunable PIFA design for handset applications (2012)
Journal Article
Hwang See, C., Elfergani, I. E., Abd-Alhameed, R., Bin-Melha, M., Zhou, D., Child, M., & Excell, P. S. (2012). A frequency tunable PIFA design for handset applications. Lecture Notes in Computer Science, 77, 688-693. https://doi.org/10.1007/978-3-642-35155-6_57

A frequency tunable planar inverted F antenna (PIFA) is presented for use in the following bands: DCS, PCS, and UMTS. Initially, the tuning was achieved by placing a lumped capacitor, with values in the range of 1.5 to 4 pF, along the slot of the rad... Read More about A frequency tunable PIFA design for handset applications.

A Low Power Wireless Sensor Network for Gully Pot Monitoring in Urban Catchments (2012)
Journal Article
See, C. H., Horoshenkov, K., abd-alhmeed, R. A., Hu, Y., & Tait, S. (2012). A Low Power Wireless Sensor Network for Gully Pot Monitoring in Urban Catchments. IEEE Sensors Journal, 12(5), 1545-1553. https://doi.org/10.1109/jsen.2011.2174354

Sewer and gully blockages are the main cause of residential sewer flooding in the U.K. A low-cost and power efficient wireless sensor mesh networking communication system has been designed, developed and implemented to provide adequate warning on pot... Read More about A Low Power Wireless Sensor Network for Gully Pot Monitoring in Urban Catchments.

Wideband Printed MIMO/Diversity Monopole Antenna for WiFi/WiMAX Applications (2012)
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 defected ground plane and a neutralization lines is connected between them... Read More about Wideband Printed MIMO/Diversity Monopole Antenna for WiFi/WiMAX Applications.

An engineering-Informed modelling approach to AIS. (2011)
Presentation / Conference Contribution
Hart, E., & Davoudani, D. (2011). An engineering-Informed modelling approach to AIS. In Proceedings of International Conference on Artificial Immune Systems (ICARIS 2010) (240-253). https://doi.org/10.1007/978-3-642-22371-6_22

A recent shift in thinking in Artificial Immune Systems (AIS)
advocates developing a greater understanding of the underlying biological
systems that serve as inspiration for engineering such systems by
developing abstract computational models of t... Read More about An engineering-Informed modelling approach to AIS..

Planning and optimising organisational travel plans using an evolutionary algorithm. (2011)
Presentation / Conference Contribution
Urquhart, N. B. (2011, April). Planning and optimising organisational travel plans using an evolutionary algorithm. Presented at European Conference on the Applications of Evolutionary Computation

Commuting to the workplace is a highly individualistic experience, especially where the private car is the chosen mode of transport. The costs of using cars with low occupancy rates are significant in environmental terms as well as requiring the prov... Read More about Planning and optimising organisational travel plans using an evolutionary algorithm..

Artificial Immune Systems (Dagstuhl Seminar 11172) (2011)
Report
Hart, E., Jansen, T., & Timmis, J. (2011). Artificial Immune Systems (Dagstuhl Seminar 11172)

This report documents the program and the outcomes of the Dagstuhl Seminar 11172 ``Artificial Immune Systems''. The purpose of the seminar was to bring together researchers from the areas of immune-inspired computing, theoretical computer science, ra... Read More about Artificial Immune Systems (Dagstuhl Seminar 11172).

This pervasive day: design and development case study. (2011)
Presentation / Conference Contribution
Helgason, I., Bradley, J., & Egan, C. (2011, March). This pervasive day: design and development case study. Paper presented at i-Docs, A Symposium on Interactive Documentary

This presentation will describe the development process, and the underpinning rationale, behind a multi-format, interactive exhibition and online documentary. This project, to be presented at the Edinburgh International Science Festival and the Scien... Read More about This pervasive day: design and development case study..

Towards self-aware PerAda systems. (2010)
Presentation / Conference Contribution
Hart, E., & Paechter, B. (2010, July). Towards self-aware PerAda systems

Pervasive Adaptation (PerAda) refers to massive-scale pervasive information and communication systems which are capable of autonomously adapting to highly dynamic and open technological and user contexts. PerAda systems are thus a special case of col... Read More about Towards self-aware PerAda systems..

Clonal selection from first principles. (2010)
Presentation / Conference Contribution
McEwan, C., & Hart, E. (2010, July). Clonal selection from first principles

Clonal selection is the keystone of mainstream immunology
and computational systems based on immunological principles. For the
latter, clonal selection is often interpreted as an asexual variant of natural
selection, and thus, tend to be variation... Read More about Clonal selection from first principles..

Symbiotic cognitive networks: a proposal. (2010)
Presentation / Conference Contribution
Rasheed, T., Hart, E., Falconer, R., & Bown, J. (2010, July). Symbiotic cognitive networks: a proposal. Presented at 9th International Conference Artificial Immune Systems ICARIS 2010

We describe the concept of a cognitive network and propose that ecosystems of co-existing networks which are globally energy efficient while providing the expected quality of service can be realised by exploiting two mechanisms which occur in biologi... Read More about Symbiotic cognitive networks: a proposal..