Research explorer tool

44 results

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...

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...

Direct flux control – sensorless control method of PMSM for all speeds – basics and constraints

Journal Article
Müller, T., See, C. H., Ghani, A., Bati, A., & Thiemann, P. (2017)
Direct flux control – sensorless control method of PMSM for all speeds – basics and constraints. Electronics Letters, 53(16), 1110-1111. https://doi.org/10.1049/el.2017.1772
The limitations of sensorless control of permanent magnet synchronous machines (PMSMs) are discussed and a viable solution is proposed. The main concept of sensorless control ...

Compact wideband printed MIMO/diversity monopole antenna for GSM/UMTS and LTE applications

Book Chapter
See, C. H., Saleh, A., Alabdullah, A. A., Hameed, K., Abd-Alhameed, R. A., Jones, S., & Majeed, A. H. (2018)
Compact wideband printed MIMO/diversity monopole antenna for GSM/UMTS and LTE applications. In I. Elfergani, A. Hussaini, J. Rodriguez, & R. Abd-Alhameed (Eds.), Antenna Fundamentals for Legacy Mobile Applications and Beyond, 191-209. Springer Verlag. https://doi.org/10.1007/978-3-319-63967-3_10
Over the last decade, significant research effort has been devoted to enhance the isolation between multiple-input-multiple-output (MIMO) antenna elements. This has led to off...

Broadband dual planar inverted F-antenna for wireless local area networks/worldwide interoperability for microwave access and lower-band ultra wideband wireless applications

Journal Article
See, C. H., Abd-Alhameed, R., Zhou, D., Hraga, H., & Excell, P. (2011)
Broadband dual planar inverted F-antenna for wireless local area networks/worldwide interoperability for microwave access and lower-band ultra wideband wireless applications. IET microwaves, antennas & propagation, 5(6), 644-650. https://doi.org/10.1049/iet-map.2010.0135
An extension of the planar inverted F-antenna (PIFA) concept is proposed, combining two such antennas (one of them fed parasitically) to extend the usable bandwidth to cover t...

Folded Loop Balanced Coplanar Antenna for WLAN Applications

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 de...

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...

Dual band-notched tapered slot antenna using λ/4 band-stop filters

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 p...

Compact Dual-band Balanced Handset Antenna for WLAN Application

Journal Article
Alhaddad, A. G., Abd-Alhameed, R. A., Zhou, D., See, C. H., Elkhazmi, E. A., & Excell, P. S. (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 investiga...

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...