Outputs (182)

Harmonics measurement on active patch antenna using sensor patches (2010)
Journal Article
Zhou, D., Abd-Alhameed, R. A., See, C. H., Ali, N. T., & Bin-Melha, M. S. (2010). Harmonics measurement on active patch antenna using sensor patches. Progress in Electromagnetics Research C: PIER C, 17, 121-130. https://doi.org/10.2528/PIERC10092802

Performance of the sensing patch technique for measuring the power accepted at the antenna feed port of active patch antennas has been evaluated at harmonic frequencies. A prototype antenna, including two sensors at appropriate locations, was fabrica... Read More about Harmonics measurement on active patch antenna using sensor patches.

A Compact UWB Antenna Design for Breast Cancer Detection (2010)
Journal Article
Adnan, S., Abd-Alhameed, R. A., See, C. H., Hraga, H. I., Elfergani, I. T. E., & Zhou, D. (2010). A Compact UWB Antenna Design for Breast Cancer Detection. Progress In Electromagnetics Research Letters, 6(2), 129-132

Near field imaging using microwave in medical applications has gain much attention recently as various researchers show its high ability and accuracy in illuminating object compares to well known screening tools. This paper documents the development... Read More about A Compact UWB Antenna Design for Breast Cancer Detection.

Compact Dual-band Balanced Handset Antenna for WLAN Application (2010)
Journal Article
Alhaddad, A., Abd-Alhameed, R., Zhou, D., See, C., Elkhazmi, E., & Excell, P. (2010). Compact Dual-band Balanced Handset Antenna for WLAN Application. Progress In Electromagnetics Research Letters, 6(1), 11-15

In this paper, a balanced antenna for mobile handset applications with dual-frequency performance, covering the 2.4 GHz and the entire 5 GHz WLAN frequency bands, is investigated and discussed. The antenna is a thin-strip planar dipole with folded st... Read More about Compact Dual-band Balanced Handset Antenna for WLAN Application.

Design of Dual-Band Quadrifilar Spiral Antennas For Satellite-Mobile Handsets (2010)
Journal Article
Zhou, D., Abd-Alhameed, R. A., See, C. H., & Excell, P. S. (2010). Design of Dual-Band Quadrifilar Spiral Antennas For Satellite-Mobile Handsets. Microwave and Optical Technology Letters, 52(4), 987-990. https://doi.org/10.1002/mop.25090

A novel quadrifilar spiral antenna is proposed for use in personal communications mobile terminals exploiting the “big low earth orbit” (big‐LEO) satellite system (uplink 1.61–1.63 GHz; downlink 2.48–2.5 GHz). Feeding of the antenna from the outer pe... Read More about Design of Dual-Band Quadrifilar Spiral Antennas For Satellite-Mobile Handsets.

Design of Wideband Balanced Folded-Arms Dipole Antenna for Mobile Handsets (2009)
Journal Article
Zhou, D., Abd-Alhameed, R. A., See, C. H., & Excell, P. S. (2009). Design of Wideband Balanced Folded-Arms Dipole Antenna for Mobile Handsets. Electromagnetics, 29(8), 641-651. https://doi.org/10.1080/02726340903287406

Investigations of a wideband balanced antenna for mobile handsets covering three bands—GSM1800, GSM1900, and UMTS—are presented. Balanced antennas have advantages in handset applications as they are less affected by juxtaposition with human tissue th... Read More about Design of Wideband Balanced Folded-Arms Dipole Antenna for Mobile Handsets.

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.

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.

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.

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.

i3 proceedings : community of the future. (1999)
Presentation / Conference Contribution
(1999). i3 proceedings : community of the future. In M. Caenepeel, D. Benyon, & D. Smith (Eds.), i3 proceedings : community of the future

No abstract available.

EniSpace: Evaluating Navigation in Information Space (1999)
Presentation / Conference Contribution
McCall, R., & Benyon, D. (1999). EniSpace: Evaluating Navigation in Information Space. In P. De Bra, & J. J. Leggett (Eds.), Proceedings of WebNet World Conference on the WWW and Internet 1999 (1344-1345)

Traditional methods of evaluating usability such as heuristic evaluation and cognitive walkthrough do not address all issues relating to navigation. This is despite the fact that designing effective navigation within electronic spaces is now consider... Read More about EniSpace: Evaluating Navigation in Information Space.

A software tool for evaluating navigation (1998)
Presentation / Conference Contribution
McCall, R., & Benyon, D. (1998). A software tool for evaluating navigation. In J. May, J. Siddiqui, & J. Wilkinson (Eds.), HCI’98 Conference Companion (72-73)

Traditional methods of evaluating the usability of software systems largely ignore the problem of navigation within computer based environments. In contrast the 'Navigation of Information Space' paradigm (Benyon and Höök, 1997) places the navigabilit... Read More about A software tool for evaluating navigation.

A Functional Model of Interacting Systems: A Semiotic Approach (1994)
Book Chapter
Benyon, D. (1994). A Functional Model of Interacting Systems: A Semiotic Approach. In J. Connolly, & E. Edmonds (Eds.), CSCW and Artificial Intelligence; Computer Supported Cooperative Work (105-125). Springer. https://doi.org/10.1007/978-1-4471-2035-3_8

Recent developments in Human-Computer Interaction (HCI), Computer Supported Cooperative Work (CSCW) and Distributed Artificial Intelligence (DAI) share a common problem: communication. We are moving towards a situation of multiple interacting systems... Read More about A Functional Model of Interacting Systems: A Semiotic Approach.

Adaptive systems: from intelligent tutoring to autonomous agents (1993)
Journal Article
Benyon, D., & Murray, D. (1993). Adaptive systems: from intelligent tutoring to autonomous agents. Knowledge-Based Systems, 6(4), 197-219. https://doi.org/10.1016/0950-7051%2893%2990012-i

Computer systems which can automatically alter aspects of their functionality or interface to suit the needs of individuals or groups of users have appeared over the years in a variety of guises. Most recently, attention has focused on intelligent in... Read More about Adaptive systems: from intelligent tutoring to autonomous agents.