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See, C. H., Kosha, J., Mshwat, W. A., Abd-Alhameed, R. A., Ong, F. L., McEwan, N. J., & Excell, P. S. (in press). Design of Mobile Band Subsurface Antenna for Drainage Infrastructure Monitoring. IET microwaves, antennas & propagation, 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...
Alibakhshikenari, M., Khalily, M., Virdee, B. S., Hwang See, C., Abd-Alhameed, R. A., & Limiti, E. (2019). Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas. IEEE Access, 9, 51827-51840. https://doi.org/10.1109/ACCESS.2019.2909950
This article presents a unique technique to enhance isolation between transmit/receive radiating elements in densely packed array antenna by embedding a metamaterial (MTM) ele...
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Khalily, M., …Limiti, E. (2019). Beam-Scanning Leaky-Wave Antenna Based on CRLH-Metamaterial for Millimeter-Wave Applications. IET Microwaves, Antennas and Propagation, 13(8), 1129-1133. https://doi.org/10.1049/iet-map.2018.5101
This paper presents empirical results of an innovative beam scanning leaky-wave antenna (LWA) which enables scanning over a wide angle from -35o to +34.5o between 57 GHz and 6...
Alibakhshikenari, M., Khalily, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., & Limiti, E. (2019). Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading. IEEE Access, 7, 23606 - 23614. https://doi.org/10.1109/access.2019.2899326
An approach is proposed to reduce mutual coupling between two closely spaced radiating elements. This is achieved by inserting a fractal isolator between the radiating element...
Bati, A., Luk, P., Aldhaher, S., See, C. H., Abd-Alhameed, R., & Excell, P. (2019). Dynamic Analysis Model of a Class E2 Converter for Low Power Wireless Charging Links. IET Circuits, Devices and Systems, 13(3), 399–405. https://doi.org/10.1049/iet-cds.2018.5091
A dynamic response analysis model of a Class E2 converter for wireless power transfer applications is presented. The converter operates at 200 kHz and consists of an inductio...
Alibakhshikenari, M., Khalily, M., Virdee, B. S., Ali, A., Shukla, P., See, C. H., …Limiti, E. (2019). Double-Port Slotted-Antenna with Multiple Miniaturized Radiators for Wideband Wireless Communication Systems and Portable Devices. Progress in Electromagnetics Research C: PIER C, 90, 1-13. https://doi.org/10.2528/pierc18011204
Proof-of-concept is presented of a novel slot antenna structure with two excitation ports. Although this antenna provides a wide impedance bandwidth, its peak gain and optimum...
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd‐Alhameed, R., Khalily, M., …Limiti, E. (2018). Interaction Between Closely Packed Array Antenna Elements Using Meta‐Surface for Applications Such as MIMO Systems and Synthetic Aperture Radars. Radio Science, 53(11), 1368-1381. https://doi.org/10.1029/2018rs006533
The paper presents a technique to enhance the isolation between adjacent radiating elements that is common in densely packed antenna arrays. Such antennas provide frequency be...
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Khalily, M., …Limiti, E. (2018). Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays. Electronics, 7(9), 198. https://doi.org/10.3390/electronics7090198
This paper presents a new approach to suppress interference between neighbouring radiating elements resulting from surface wave currents. The proposed technique will enable th...
He, R., Zhang, H., See, C. H., Su, Y., Ma, Y., Kong, D., …Abd-Alhameed, R. (2018). A 1 x 8 Linear Ultra-Wideband Phased Array With Connected Dipoles and Hyperbolic Microstrip Baluns. IEEE Access, 6, 52953-52968. https://doi.org/10.1109/access.2018.2868779
A 1×8 linear single polarized ultra-wideband connected dipole phased array with wide angle scan range is proposed. The dipoles in the array are connected with each other in E-...
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., Ali, A., Falcone, F., & Limiti, E. (2018). Wideband printed monopole antenna for application in wireless communication systems. IET microwaves, antennas & propagation, 12(7), 1222-1230. https://doi.org/10.1049/iet-map.2017.0894
Empirical results of an electrically small printed monopole antenna is described with fractional bandwidth of 185% (115 MHz–2.90 GHz) for return-loss better than 10 dB, peak g...
Alibakhshikenari, M., Virdee, B., Shukla, P., See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2018). Meta-surface wall suppression of mutual coupling between microstrip patch antenna arrays for THz-band applications. Progress In Electromagnetics Research Letters, 75, 105-111. https://doi.org/10.2528/pierl18021908
This paper presents a novel 2D meta-surface wall to increase the isolation between microstrip patch radiators in an antenna array that is operating in the teraherz (THz) band ...
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...
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 ...
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...
Elfergani, I. T. E., Rodriguez, J., Abdussalam, F. M., See, C. H., & Abd-Alhameed, R. A. (2017). Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications. Radioengineering, 26(2), 444-452. https://doi.org/10.13164/re.2017.0444
A design of dual-band balanced antenna structure operating in the 700 and 2600MHz LTE bands is studied and investigated. The overall dimensions of the radiator are 50 × 18 × 7...