Outputs (170)

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). Dual-Band and Wide Band Tuning Antennas for Mobile and Wireless Communications.

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.

A compact size reconfigurable PIFA antenna for use in mobile handset (2011)
Presentation / Conference Contribution
Elfergani, I. T. E., Abd-Alhameed, R. A., See, C. H., Sadeghpour, T., Dama, Y., Jones, J., & Excell, P. S. (2011). A compact size reconfigurable PIFA antenna for use in mobile handset. . https://doi.org/10.1109/ursigass.2011.6050320

A planar inverted-F type reconfigurable antenna with slot is presented. The antenna can cover frequency bands which include Digital Cellular Service (DCS: 1710-1880 MHz), Personal Communication Service (PCS: 1850-1990 MHz), and Universal Mobile Telec... Read More about A compact size reconfigurable PIFA antenna for use in mobile handset.

Dual-bands four-element antenna array design for MIMO application (2011)
Presentation / Conference Contribution
Abidin, Z., Abd-Alhameed, R., Ma, Y., Ramli, R., & See, C. (2011). Dual-bands four-element antenna array design for MIMO application.

A compact of 4 x 4 crescent antennas operating on dual-band frequency in Multiple-Input Multiple-Output (MIMO) application technology, printed on a relatively low dielectric constant substrate is presented. In order to enhance the mutual coupling, th... Read More about Dual-bands four-element antenna array design for MIMO application.

A Compact Tuneable PIFLA Notched Ultra-Wideband Antenna for Wireless Applications (2011)
Presentation / Conference Contribution
Elfergani, I., Abd-Alhameed, R., See, C., Hraga, H., & Ramli, K. (2011). A Compact Tuneable PIFLA Notched Ultra-Wideband Antenna for Wireless Applications.

This paper proposes a compact PIFLA ultra-wideband (UWB) antenna with a tuneable band-notched response from 3.2 to 4.5 GHz. Tuning of the rejected frequency is realised by loading an embedded resonant slot with lumped capacitors (equivalent to varact... Read More about A Compact Tuneable PIFLA Notched Ultra-Wideband Antenna for Wireless Applications.

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., …Rodriguez, J. (2011). A Dual-Band Frequency Tunable Planar Inverted F Antenna.

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.

PIFA Antenna for UWB Applications with WLAN Band Rejection Using Spiral Slots (2011)
Presentation / Conference Contribution
Hraga, H., See, C., Abd-Alhameed, R., Zhou, D., Adnan, S., Elfergani, I., …Excell, P. (2011). PIFA Antenna for UWB Applications with WLAN Band Rejection Using Spiral Slots.

This paper presents a band-suppressed PIFA antenna for UWB application using spiral slot. The modeling of the antenna geometry structures and the optimisation of the full antenna assembly was carried out in the frequency and time domains using Ansoft... Read More about PIFA Antenna for UWB Applications with WLAN Band Rejection Using Spiral Slots.

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). Harmonic-suppression Using Adaptive Surface Meshing and Genetic Algorithms.

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.

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., …Rodriguez, J. (2011). Frequency Tuned Planar Inverted F Antenna with L Shaped Slit Design for Wide Frequency Range.

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.

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). The Compact Design of Dual-Band and Wideband Planar Inverted F-L-Antennas for WLAN and UWB Applications.

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). Compact Tunable Microstrip F-Slot antenna for Mobile Handset Applications.

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.