DIY Community WiFi Networks: Insights on Participatory Design
Conference Proceeding
Smyth, M., & Helgason, I. (2019)
DIY Community WiFi Networks: Insights on Participatory Design. In Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems. https://doi.org/10.1145/3290607.3313073
This paper presents a first version of a set of insights developed collaboratively by researchers during a three-year participatory design project spread across four European ...
Multi-band weakly ground-coupled balanced antenna design for portable devices
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-c...
Designing Motion Matching for Real-World Applications: Lessons from Realistic Deployments
Conference Proceeding
Verweij, D., Esteves, A., Bakker, S., & Khan, V. (2019)
Designing Motion Matching for Real-World Applications: Lessons from Realistic Deployments. In TEI '19 Proceedings of the Thirteenth International Conference on Tangible, Embedded, and Embodied Interaction, (645-656). https://doi.org/10.1145/3294109.3295628
Amongst the variety of (multi-modal) interaction techniques that are being developed and explored, the Motion Matching paradigm provides a novel approach to selection and cont...
Making and Unfinishedness: Designing Toolkits for Negotiation
Journal Article
Smyth, M., & Helgason, I. (2017)
Making and Unfinishedness: Designing Toolkits for Negotiation. Design Journal, 20(sup1), S3966-S3974. https://doi.org/10.1080/14606925.2017.1352899
The diffusion and democratisation of computing technologies and physical prototyping systems has supported the rise of Do-It-Yourself culture. In the context of design innovat...
A Compact Design of Tunable Band-Notched Ultra-Wide Band Antenna
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 lo...
Design An Integrated Oscillator/Antenna
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.
A compact and broadband balun design for LTE applications
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 ...
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...
Quadrifilar Helical Antenna Design for Satellite-Mobile Handsets Using Genetic Algorithms
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 ...
A Wire-Grid Adaptive Meshing Program for Microstrip Patch Antenna Designs Using a Genetic Algorithm
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 prog...