Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer (2008)
Journal Article
McNeill, N., Gupta, N. K., Burrow, S. G., Holliday, D., & Mellor, P. H. (2008). Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer. IEEE Transactions on Power Electronics, 23, 591-599. https://doi.org/10.1109/TPEL.2007.915662

This paper investigates the application of reset voltage feedback for reducing errors due to droop in the signal derived from a current transformer sensing unidirectional current pulses in switched-mode power converter applications. Droop is minimise... Read More about Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer.

CFAR Adaptive PN Code acquisition for DSSS Systems (2008)
Journal Article
Wei, B., Sharif, M., Binnie, D., & Almaini, A. E. A. (2008). CFAR Adaptive PN Code acquisition for DSSS Systems. The Mediterranean journal of electronics and communications, 4, 37-45

Constant false alarm rate (CFAR) techniques can be used in Pseudo-Noise (PN) code acquisition in Spread Spectrum (SS) communication systems, and all the CFAR techniques perform well in homogeneous background PN code acquisition. However, in non-homog... Read More about CFAR Adaptive PN Code acquisition for DSSS Systems.

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.

Assessment of the error in the average current sensed by the unidirectional current pulse transformer (2008)
Journal Article
McNeill, N., & Gupta, N. K. (2008). Assessment of the error in the average current sensed by the unidirectional current pulse transformer. IET Circuits, Devices and Systems, 2, 265. https://doi.org/10.1049/iet-cds%3A20070226

Advantages of using a current transformer (CT) for current sensing in switched mode power converters are that galvanic isolation is inherent, losses are low, the bandwidth is high and a high-amplitude output signal may be obtained. However, 'droop' o... Read More about Assessment of the error in the average current sensed by the unidirectional current pulse transformer.

Split frequencies and susceptances of the three port junction circulator from an experimental determination of the complex gyrator circuit (2008)
Journal Article
Helszajn, J., Sharp, J., & McKay, M. (2008). Split frequencies and susceptances of the three port junction circulator from an experimental determination of the complex gyrator circuit. IEEE Transactions on Microwave Theory and Techniques, 56, 2213-2220. https://doi.org/10.1109/TMTT.2008.2003136

The adjustment of the classic three port circulator involves an in-phase eigen-network and a pair of split counter-rotating ones. The purpose of this paper is to use some recent relationships to experimentally extract the split susceptances of the co... Read More about Split frequencies and susceptances of the three port junction circulator from an experimental determination of the complex gyrator circuit.

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.

UV treatment of microorganisms on artificially-contaminated surfaces using excimer and microwave UV lamps (2008)
Journal Article
Christofi, N., Misakyan, M. A., Matafonova, G., Barkhudarov, E. M., Batoev, V., Kossyi, I. A., & Sharp, J. (2008). UV treatment of microorganisms on artificially-contaminated surfaces using excimer and microwave UV lamps. Chemosphere, 73(5), 717-722. https://doi.org/10.1016/j.chemosphere.2008.06.059

An XeBr excilamp having a peak emission at 283 nm, and microwave UV lamps with peak emissions at 253.7 nm that also generate ozone, have been tested for ability to eradicate high populations of microbial vegetative cells and spores (of bacteria and f... Read More about UV treatment of microorganisms on artificially-contaminated surfaces using excimer and microwave UV lamps.

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.

Wide-Elevation Circular-Polarized Quadrifilar Helical Antenna Handset Design For Satellite Communication Using Genetic Algorithms (2008)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R., See, C., & Excell, P. (2008, August). Wide-Elevation Circular-Polarized Quadrifilar Helical Antenna Handset Design For Satellite Communication Using Genetic Algorithms. Presented at XXIX International Union of Radio Science(URSI) General Assembly, Chicago, US

A circularly-polarised quadrifilar helical antenna, operated at 2.4 GHz band and intended for the applications of satellite mobile communications, was designed and optimised using genetic algorithm. The antenna design was firstly attempted on an infi... Read More about Wide-Elevation Circular-Polarized Quadrifilar Helical Antenna Handset Design For Satellite Communication Using Genetic Algorithms.

Characteristics Of A Circularly-Polarised Conical-Beam Microstrip Patch Antenna Arrays (2008)
Presentation / Conference Contribution
See, C. H., Zhou, D., Abd-Alhameed, R., & Excell, P. S. (2008, August). Characteristics Of A Circularly-Polarised Conical-Beam Microstrip Patch Antenna Arrays. Presented at XXIX International Union of Radio Science(URSI) General Assembly, Chicago, USA

This paper demonstrates the characteristics of a new microstrip antenna arrays radiating circularly polarized conical beam. The proposed antenna is realised as an array of a number of stripline fed slot patches whose diagonal corners are cut off and... Read More about Characteristics Of A Circularly-Polarised Conical-Beam Microstrip Patch Antenna Arrays.

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 of Dualband Balanced Folded Dipole Antenna for Mobile Handsets (2008)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R. A., See, C. H., & Excell, P. S. (2008, July). Design of Dualband Balanced Folded Dipole Antenna for Mobile Handsets. Presented at Progress in Electromagnetics Research Symposium (PIERS2008), Cambridge, U.S

Accurate Field Distribution Models for RFID Applications Using Hybrid Computational Electromagnetics Technquies (2008)
Presentation / Conference Contribution
Abd-Alhameed, R. A., Excell, P. S., See, C. H., Zhou, D., & Ramli, K. (2008, July). Accurate Field Distribution Models for RFID Applications Using Hybrid Computational Electromagnetics Technquies. Presented at Progress in Electromagnetics Research Symposium (PIERS2008), Cambridge, U.S

Design of Beam Steering Antenna Array for RFID Reader Using Fully Controlled RF Switches (2008)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R. A., Excell, P. S., See, C. H., M. Abusitta, M., Hu, Y., & McEWan, N. (2008, July). Design of Beam Steering Antenna Array for RFID Reader Using Fully Controlled RF Switches. Presented at Progress in Electromagnetics Research Symposium (PIERS2008), Cambridge, U.S

An approach of using beam steering antenna array for RFID reader is applied as an effective strategy to improve performance of an RFID system under the constraint that the tag, reader and protocol design cannot be modified. The antenna beam steering wa... Read More about Design of Beam Steering Antenna Array for RFID Reader Using Fully Controlled RF Switches.

Wideband Loaded Wire Bow-tie Antenna for Near Field Imaging Using Genetic Algorithms (2008)
Presentation / Conference Contribution
Chung, S., Abd-Alhameed, R. A., See, C. H., & Excell, P. S. (2008, July). Wideband Loaded Wire Bow-tie Antenna for Near Field Imaging Using Genetic Algorithms. Presented at Progress in Electromagnetics Research Symposium (PIERS2008), Cambridge, U.S

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.

Resistively Loaded Wire Bow-tie Antenna for Microwave Imaging By Means of Genetic Algorithms (2008)
Presentation / Conference Contribution
Chung, S., Abd-Alhameed, R., Excell, P., See, C., Zhou, D., & Gardiner, J. (2008, June). Resistively Loaded Wire Bow-tie Antenna for Microwave Imaging By Means of Genetic Algorithms. Presented at International Multi-Conference on Engineering and Technological Innovation, Orlando, Florida, USA

The initial design of a wideband non-dispersive wire bow-tie antenna using GA is presented here, primarily for microwave imaging application. The wire bow-tie antenna is designed to operate from 4 GHz to 8 GHz which is essential for microwave penetra... Read More about Resistively Loaded Wire Bow-tie Antenna for Microwave Imaging By Means of Genetic Algorithms.

Computation of electromagnetic fields in dense biological cell structures using modified subgridding of quasi-static FDTD method (2008)
Presentation / Conference Contribution
See, C., Abd-Alhameed, R., & Excell, P. (2008, April). Computation of electromagnetic fields in dense biological cell structures using modified subgridding of quasi-static FDTD method. Presented at IET 7th International Conference on Computation in Electromagnetics (CEM 2008), Brighton, UK

This paper demonstrates the detailed electromagnetic modelling of biological cell structures by using modified subgridding FDTD techniques. This is done by incorporating a quasi-static FDTD solution, Floquet periodic boundary conditions and modified... Read More about Computation of electromagnetic fields in dense biological cell structures using modified subgridding of quasi-static FDTD method.

Wireless sensor transmission range measurement within the ground level (2008)
Presentation / Conference Contribution
See, C., Abd-Alhameed, R., Hu, Y., & Horoshenkov, K. (2008, March). Wireless sensor transmission range measurement within the ground level. Presented at 2008 Loughborough Antennas and Propagation Conference (LAPC), Loughborough, UK

The maximum transmission range of crossbow wireless sensors are considered and discussed for sensor to sensor on ground level communication, and sensor on ground level to base station on lamppost. Two different crossbow wireless sensors kits operated... Read More about Wireless sensor transmission range measurement within the ground level.