39 results

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...

Calibration model for detection of potential demodulating behaviour in biological media exposed to RF energy

Journal Article
See, C. H., Abd-Alhameed, R. A., Ghani, A., Ali, N. T., Excell, P. S., McEwan, N. J., & Balzano, Q. (2017)
Calibration model for detection of potential demodulating behaviour in biological media exposed to RF energy. IET Science, Measurements and Technology, 11(7), 900-906. https://doi.org/10.1049/iet-smt.2017.0105
Potential demodulating ability in biological tissue exposed to radio-frequency (RF) signals intrinsically requires an unsymmetrical diode-like non-linear response in tissue sa...

Current technologies and location based services

Conference Proceeding
Ahmad, I., Asif, R., Abd-Alhameed, R., Alhassan, H., Elmegri, F., Noras, J., …Jones, S. (2017)
Current technologies and location based services. https://doi.org/10.1109/itecha.2017.8101958
This paper examines the benefits and drawbacks of these services, reviewing differences in infrastructure, power requirements, sensing devices, and other factors. Technologies...

Measure The Range of Sensor Network

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 ...

Planar monopole antennas for new generation mobile and lower band ultra-wide band applications

Journal Article
See, C., Abd-Alhameed, R., Jones, S., Zhou, D., McEwan, N., Excell, P., …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) ap...

Harmonics measurement on active patch antenna using sensor patches

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 pro...

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...

Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments

Journal Article
See, C. H., Abd-Alhameed, R. A., Atojoko, A. A., McEwan, N. J., & Excell, P. S. (2018)
Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments. IEEE Transactions on Industrial Electronics, 65(1), 616-625. https://doi.org/10.1109/tie.2017.2719602
A subsurface chamber transceiver system and associated propagation channel link budget considerations for an underground wireless sensor system (UWSS) are presented: the appli...

Wideband Printed MIMO/Diversity Monopole Antenna for WiFi/WiMAX Applications

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...

Internal triple-band folded planar antenna design for third generation mobile handsets

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...