A Dual-Band Frequency Tunable Planar Inverted F Antenna (2011)
Presentation / Conference Contribution
Elfergani, I., Hussaini, A. S., Abd-Alhameed, R., See, C., Hraga, H., Bin-Melha, M., Excell, P., & Rodriguez, J. (2011, April). A Dual-Band Frequency Tunable Planar Inverted F Antenna. Presented at 5th European Conference on Antennas and Propagation (EUCAP), Rome, Italy

The design process of dual-band reconfigurable PIFA antenna is introduced and investigated. The design procedure is based on loading a lumped capacitor (or varactor) at one fixed location along a slot of the radiator. The changes in first and second... Read More about A Dual-Band Frequency Tunable Planar Inverted F Antenna.

Frequency Tuned Planar Inverted F Antenna with L Shaped Slit Design for Wide Frequency Range (2011)
Presentation / Conference Contribution
Elfergani, I., Hussaini, A. S., Abd-Alhameed, R., See, C., Abusitta, M. M., Hraga, H., Alhaddad, A. G., & Rodriguez, J. (2011, March). Frequency Tuned Planar Inverted F Antenna with L Shaped Slit Design for Wide Frequency Range. Presented at The 29th PIERS Progress In Electromagnetic Research Symposium, Marrakesh, Morocco

A frequency tuned antenna has been designed to meet the coverage requirements of the DCS, PCS, UMTS and WLAN bands. The antenna consists of a main patch, and a planar inverted L (PIL) slot. The radiator patch is fed, and shorted, using simple feed li... Read More about Frequency Tuned Planar Inverted F Antenna with L Shaped Slit Design for Wide Frequency Range.

Harmonic-suppression Using Adaptive Surface Meshing and Genetic Algorithms (2011)
Presentation / Conference Contribution
Bin-Melha, M., Abd-Alhameed, R., Zhou, D., Zainal-Abdin, Z., See, C., Elfergani, I., & Excell, P. (2011, March). Harmonic-suppression Using Adaptive Surface Meshing and Genetic Algorithms. Presented at The 29th PIERS Progress In Electromagnetic Research Symposium, Marrakesh, Morocco

A novel design strategy for microstrip harmonic-suppression antennas is presented. The computational method is based on an integral equation solver using adaptive surface meshing driven by a genetic algorithm. Two examples are illustrated, all involv... Read More about Harmonic-suppression Using Adaptive Surface Meshing and Genetic Algorithms.

The Compact Design of Dual-Band and Wideband Planar Inverted F-L-Antennas for WLAN and UWB Applications (2011)
Presentation / Conference Contribution
Hraga, H., See, C. H., Abd-Alhameed, R., Adnan, S., Elfergani, I., & Elmegri, F. E. (2011, March). The Compact Design of Dual-Band and Wideband Planar Inverted F-L-Antennas for WLAN and UWB Applications. Presented at The 29th PIERS Progress In Electromagnetic Research Symposium, Marrakesh, Morocco

Two miniature low profile PIFLA antennas with a compact volume size of 30 mm x 15 mm x 8 mm has presented in this paper. By applying the magnetic wall concept a reduced size dual-band and a wideband half PIFLAs for WLAN (2.4 GHz/5.2 GHz) and UWB appl... Read More about The Compact Design of Dual-Band and Wideband Planar Inverted F-L-Antennas for WLAN and UWB Applications.

Compact Tunable Microstrip F-Slot antenna for Mobile Handset Applications (2011)
Presentation / Conference Contribution
Elfergani, I., Abd-Alhameed, R. A., See, C. H., Abidin, Z., Hraga, H., & Excell, P. (2011, February). Compact Tunable Microstrip F-Slot antenna for Mobile Handset Applications. Presented at 4th International Conference on Communications, Propagation, and Electronics (MIC-CPE 2011), Amman, Jordon

This paper presents a design for a single-feed, compact, tunable microstrip F- slot antenna capable of achieving high tuning ranges without using any matching networks. An F shaped slot embedded in a patch is used to generate resonant frequencies. Th... Read More about Compact Tunable Microstrip F-Slot antenna for Mobile Handset Applications.

A Crescent-Shaped Multiband Planar Monopole Antenna for Mobile Wireless Applications (2010)
Journal Article
See, C. H., Abd-Alhameed, R. A., Zhou, D., Lee, T. H., & Excell, P. S. (2010). A Crescent-Shaped Multiband Planar Monopole Antenna for Mobile Wireless Applications. IEEE Antennas and Wireless Propagation Letters, 9, 152-155. https://doi.org/10.1109/lawp.2010.2044741

A planar multiband monopole antenna is presented for mobile wireless applications. The antenna is constructed from a crescent-shaped radiator patch, microstrip feed line, and defected ground structure (DGS). Theoretical and experimental characteristi... Read More about A Crescent-Shaped Multiband Planar Monopole Antenna for Mobile Wireless Applications.

A Planar Inverted-F-L Antenna (PIFLA) With a Rectangular Feeding Plate for Lower-Band UWB Applications (2010)
Journal Article
See, C. H., Abd-Alhameed, R. A., Zhou, D., & Excell, P. S. (2010). A Planar Inverted-F-L Antenna (PIFLA) With a Rectangular Feeding Plate for Lower-Band UWB Applications. IEEE Antennas and Wireless Propagation Letters, 9, 149-151. https://doi.org/10.1109/lawp.2010.2045338

A planar inverted-F-L antenna (PIFLA) with a broadband rectangular feeding structure is proposed for lower-band ultrawideband (UWB) applications. This antenna is constructed from a driven F-shaped element and a parasitic L-shaped element. Both patche... Read More about A Planar Inverted-F-L Antenna (PIFLA) With a Rectangular Feeding Plate for Lower-Band UWB Applications.

Harmonics measurement on active patch antenna using sensor patches (2010)
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 prototype antenna, including two sensors at appropriate locations, was fabrica... Read More about Harmonics measurement on active patch antenna using sensor patches.

A Compact UWB Antenna Design for Breast Cancer Detection (2010)
Journal Article
Adnan, S., Abd-Alhameed, R. A., See, C. H., Hraga, H. I., Elfergani, I. T. E., & Zhou, D. (2010). A Compact UWB Antenna Design for Breast Cancer Detection. Progress In Electromagnetics Research Letters, 6(2), 129-132

Near field imaging using microwave in medical applications has gain much attention recently as various researchers show its high ability and accuracy in illuminating object compares to well known screening tools. This paper documents the development... Read More about A Compact UWB Antenna Design for Breast Cancer Detection.

Compact Dual-band Balanced Handset Antenna for WLAN Application (2010)
Journal Article
Alhaddad, A., Abd-Alhameed, R., Zhou, D., See, C., Elkhazmi, E., & Excell, P. (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 investigated and discussed. The antenna is a thin-strip planar dipole with folded st... Read More about Compact Dual-band Balanced Handset Antenna for WLAN Application.

Wideband balanced folded dipole antenna with a dual-arm monopole structure for mobile handsets (2010)
Journal Article
Zhou, D., Abd-Alhameed, R., See, C. H., & Excell, P. (2010). Wideband balanced folded dipole antenna with a dual-arm monopole structure for mobile handsets. IET microwaves, antennas & propagation, 4(2), 240-246. https://doi.org/10.1049/iet-map.2008.0412

In this study, a balanced antenna for mobile handset applications with enhanced bandwidth performance, covering the bands from 1.8 to 2.45 GHz, is investigated. The antenna is a slot planar dipole with folded structure and a dual-arm on each half. Th... Read More about Wideband balanced folded dipole antenna with a dual-arm monopole structure for mobile handsets.

Compact wideband balanced antenna for mobile handsets (2010)
Journal Article
Zhou, D., Abd-Alhameed, R., See, C. H., Alhaddad, A., & Excell, P. (2010). Compact wideband balanced antenna for mobile handsets. IET microwaves, antennas & propagation, 4(5), 600-608. https://doi.org/10.1049/iet-map.2009.0153

A novel miniature balanced mobile handset antenna is presented in this study, which covers digital communication system (DCS) (1710-1880 MHz), personal communication system (PCS) (1850-1990 MHz), universal mobile telecommunications system (UMTS) (192... Read More about Compact wideband balanced antenna for mobile handsets.

Ultra-wideband planar inverted FF antenna (2010)
Journal Article
See, C. H., Abd-Alhameed, R., Zhou, D., Hraga, H., Excell, P., & Child, M. (2010). Ultra-wideband planar inverted FF antenna. Electronics Letters, 46(8), 549-550. https://doi.org/10.1049/el.2010.3131

A novel, miniaturised, planar inverted FF antenna (PIFFA) assembly is presented. The antenna design electromagnetically couples two PIFA antennas on an air substrate, and employs a broadband rectangular plate feeding mechanism to achieve an ultra-wid... Read More about Ultra-wideband planar inverted FF antenna.

Folded and slotted internal antenna design for 3G IMT-2000 mobile handsets (2010)
Journal Article
See, C. H., Abd-Alhameed, R. A., Zhou, D., Ramli, K. N., Mcewan, N. J., & Excell, P. S. (2010). Folded and slotted internal antenna design for 3G IMT-2000 mobile handsets. Microwave and Optical Technology Letters, 52, 1549-1553. https://doi.org/10.1002/mop.25271

A four-sided folded, slotted and shorted rectangular patch antenna for 3G mobile handsets is described. The antenna provides a 17.65% bandwidth with S11 <–10 dB from 1885 MHz to 2250 MHz, which completely encompasses the desired UMTS frequency ban... Read More about Folded and slotted internal antenna design for 3G IMT-2000 mobile handsets.

A capacitively loaded antenna for use in mobile handsets (2010)
Presentation / Conference Contribution
Elfergani, I., Abd-Alhameed, R., See, C., Child, M., & Excell, P. (2010, November). A capacitively loaded antenna for use in mobile handsets. Presented at 2010 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, United Kingdom

A tuneable slotted patch antenna design is presented and verified for use in the DCS, PCS and UMTS bands. The tuning circuit consists of two varactor diodes, with some passive components, and is integrated fully with the radiator patch, with the vara... Read More about A capacitively loaded antenna for use in mobile handsets.

Design of a planar inverted F-L antenna (PIFLA) for lower-band UWB applications (2010)
Presentation / Conference Contribution
Hraga, H., See, C., Abd-Alhameed, R., Jones, S., Child, M., Elfergani, I., & Excell, P. (2010, November). Design of a planar inverted F-L antenna (PIFLA) for lower-band UWB applications. Presented at Propagation Conference (LAPC), Loughborough, United Kingdom

This paper examines the case for an ultrawideband planar inverted-F-L-antenna design intended for use in the lower sub-band. The antenna construction is based on the conventional inverted F, and inverted L as its feed element, and parasitic element,... Read More about Design of a planar inverted F-L antenna (PIFLA) for lower-band UWB applications.

A Novel Design for a Gel-Type DML Transducer Incorporating a Solid Panel Projecting Multiple Independent Sound Sources. (2010)
Presentation / Conference Contribution
Cho, M., Prokofieva, E., Barker, M., & Munoz, J. (2010, October). A Novel Design for a Gel-Type DML Transducer Incorporating a Solid Panel Projecting Multiple Independent Sound Sources. Presented at 40th International Conference: Spatial Audio: Sense the Sound of Space

The gel-type DML transducer (referred to as the gel transducer in this paper) excites a panel to radiate sound waves through the gel surround. The panel breaks into different characteristic modes of vibration as frequency increases. At high frequenci... Read More about A Novel Design for a Gel-Type DML Transducer Incorporating a Solid Panel Projecting Multiple Independent Sound Sources..

Design of Planar Double Inverted-F Antenna for Ultra-Wideband Applications (2010)
Presentation / Conference Contribution
See, C., Abd-Alhameed, R., Zhou, D., & Excell, P. (2010, September). Design of Planar Double Inverted-F Antenna for Ultra-Wideband Applications. Presented at 2010 Asia-Pacific Radio Science Conference (AP-RASC'10), Toyama, Japan

A novel miniaturized planar double inverted-F antenna is presented. The antenna design is based on the electromagnetic coupling of two air dielectric PIFA antennas, combined with a broadband rectangular plate feed structure to achieve ultra-wideband... Read More about Design of Planar Double Inverted-F Antenna for Ultra-Wideband Applications.

Novel Wideband Harmonic Suppression Antenna Designed using Adaptive meshing and Genetic Algorithms (2010)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R., See, C., & Excell, P. (2010, September). Novel Wideband Harmonic Suppression Antenna Designed using Adaptive meshing and Genetic Algorithms. Presented at 2010 Asia-Pacific Radio Science Conference (AP-RASC'10), Toyama, Japan

Microstrip patch antennas with harmonic suppression are designed and optimised, using a genetic algorithm and applying a novel adaptive meshing program to generate a wire-grid simulation. A coaxially-fed air-dielectric patch antenna design with a fol... Read More about Novel Wideband Harmonic Suppression Antenna Designed using Adaptive meshing and Genetic Algorithms.

Improvement of Sound Quality by Means of Ultra-Soft Elastomer for the Gel Type Inertia Driven DML Type Transducer. (2010)
Presentation / Conference Contribution
Cho, M., Prokofieva, E., Munoz, J., & Barker, M. (2010, May). Improvement of Sound Quality by Means of Ultra-Soft Elastomer for the Gel Type Inertia Driven DML Type Transducer. Presented at Audio Engineering Society Convention

Unlike standard DML transducers, the gel-type inertia driven transducer (referred to as the gel transducer in this paper) designed as a mini woofer DML-type transducer, transfers its pistonic movement to a panel through the gel surround, thereby gene... Read More about Improvement of Sound Quality by Means of Ultra-Soft Elastomer for the Gel Type Inertia Driven DML Type Transducer..