Outputs (22)

Meander-line filter for short range radio communications (2011)
Presentation / Conference Contribution
Alqahtani, S., See, C., Abd-Alhameed, R., Hussaini, A., Abidin, Z., Excell, P., & Noras, J. (2011, September). Meander-line filter for short range radio communications. Presented at 4th International Conference on Internet Technologies and Applications, ITA 11, Wrexham

Filters and antennas play a significant part in many different RF and microwave transceiver systems. This paper describes the design and testing of two RF filters for use in narrow-band short-range radio communications. The structures of these filter... Read More about Meander-line filter for short range radio communications.

A novel dual band tunable balanced handset antenna for WLAN application (2011)
Presentation / Conference Contribution
Elfergani, I., Abd-Alhameed, R., Ali, N., Alhaddad, A., See, C., & Cabongomuqueba, E. (2011, December). A novel dual band tunable balanced handset antenna for WLAN application. Presented at 2011 18th IEEE International Conference on Electronics, Circuits and Systems - (ICECS 2011), Beirut, Lebanon

This paper presents a tunable balanced antenna covering WLAN frequency bands near 2.4 GHz (2.4-2.4835 GHz) and 5 GHz (5.15-5.35 GHz & 5.650-5.925 GHz), for mobile application. The design is based on loading two variable capacitors onto the planar bal... Read More about A novel dual band tunable balanced handset antenna for WLAN application.

New antenna designs for wideband harmonic suppression using adaptive surface meshing and genetic algorithms (2011)
Journal Article
Zhou, D., Abd-Alhameed, R., See, C. . H., Bin-Melha, M., Zainal-Abdin, Z., & Excell, P. (2011). New antenna designs for wideband harmonic suppression using adaptive surface meshing and genetic algorithms. IET microwaves, antennas & propagation, 5(9), 1054-1061. https://doi.org/10.1049/iet-map.2010.0218

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 (GA). Three examples are illustrated, all... Read More about New antenna designs for wideband harmonic suppression using adaptive surface meshing and genetic algorithms.

Broadband dual planar inverted F-antenna for wireless local area networks/worldwide interoperability for microwave access and lower-band ultra wideband wireless applications (2011)
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 the WiFi wireless local area network, worldwide interoperability for microwa... Read More about Broadband dual planar inverted F-antenna for wireless local area networks/worldwide interoperability for microwave access and lower-band ultra wideband wireless applications.

Broadband dielectric resonator antenna (DRA) design for mobile wireless applications (2011)
Presentation / Conference Contribution
Elmegri, F., See, C. H., Abd-Alhameed, R. A., & Elfergani, I. T. (2011, November). Broadband dielectric resonator antenna (DRA) design for mobile wireless applications. Presented at 2011 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, United Kingdom

This paper presents a broadband dielectric resonator antenna operating from 1.15 to 6 GHz to cover most of the existing wireless mobile standards. This antenna assembly is constructed by a printed monopole antenna and a defected cylindrical dielectri... Read More about Broadband dielectric resonator antenna (DRA) design for mobile wireless applications.

Reconfigurable antenna design approach for mobile applications and a technique for harmonics suppression (2011)
Presentation / Conference Contribution
Elfergani, I., Abd-Alhameed, R., See, C. H., Sadeghpour, T., & Jones, S. (2011, November). Reconfigurable antenna design approach for mobile applications and a technique for harmonics suppression. Presented at 2011 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, United Kingdom

A design procedure for reconfigurable mobile antenna module is presented. A tuneable antenna, including a varactor diode placed at specific position over the radiating slot, was fabricated and tested over several targeted frequency bands (centred at... Read More about Reconfigurable antenna design approach for mobile applications and a technique for harmonics suppression.

Beam steering of horizontally polarized circular antenna arrays (2011)
Presentation / Conference Contribution
Abusitta, M. M., Dama, Y., Abd-Alhameed, R. A., See, C., Noras, J., Adebola, A., & Excell, P. (2011, November). Beam steering of horizontally polarized circular antenna arrays. Presented at 2011 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, United Kingdom

In this paper, a simple switching process is employed to steer the beam of a horizontally polarised circular antenna array. A time modulated switching process is applied through Genetic Algorithm optimisation. Several examples illustrate the radiatio... Read More about Beam steering of horizontally polarized circular antenna arrays.

Circular-Polarized Antennas for Satellite Wireless Communications Design of Microstrip Patch and Wire Antennas for Handheld Satellite Mobile Handsets Using Genetic Algorithms (2011)
Book
See, C. H., Khalil, K., & Abd-Alhameed, R. A. (2011). Circular-Polarized Antennas for Satellite Wireless Communications Design of Microstrip Patch and Wire Antennas for Handheld Satellite Mobile Handsets Using Genetic Algorithms. LAP Lambert Academic Press

The objectives of this research work are to investigate, design and implement circularly-polarized antennas to be used for handheld satellite mobile communication and wireless sensor networks. Several antennas such as Quadrifilar Spiral Antennas (QSA... Read More about Circular-Polarized Antennas for Satellite Wireless Communications Design of Microstrip Patch and Wire Antennas for Handheld Satellite Mobile Handsets Using Genetic Algorithms.

Proposed Circuit Model for Calibration of Nonlinear Responses in Biological Media Exposed to RF Energy (2011)
Presentation / Conference Contribution
See, C. H., Abd-Alhameed, R. A., Dama, Y., & Excell, P. S. (2011, September). Proposed Circuit Model for Calibration of Nonlinear Responses in Biological Media Exposed to RF Energy. Presented at Mosharaka International Conference on Biomedical Engineering, Electronics and Nanotechnology (MIC-BEN2011), Amman, Jordan

Dual-Band and Wide Band Tuning Antennas for Mobile and Wireless Communications (2011)
Presentation / Conference Contribution
E.Elfergani, I., Abd-Alhameed, R. A., Hwang See, C., Hraga, H. I., Sadeghpour, T., Alhaddad, A., & Excell, P. (2011, September). Dual-Band and Wide Band Tuning Antennas for Mobile and Wireless Communications. Presented at The 4th International Conference on Internet Technologies and Applications (ITA 11), Glyndwr University, Wrexham, Wales, UK

Two tunable PIFA antennas are presented. The first is a dual-band handset antenna with tuning introduced across the slot using either a lumped capacitor or a varactor diode. Suitable tunability is initially established and tested for two resonant fre... Read More about Dual-Band and Wide Band Tuning Antennas for Mobile and Wireless Communications.