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All Outputs (170)

Dual-band balanced handset antenna for WLAN application (2009)
Presentation / Conference Contribution
Alhaddad, A., Abd-Alhameed, R., Zhou, D., See, C., Usman, M., Abidin, Z., & Excell, P. (2009, November). Dual-band balanced handset antenna for WLAN application. Presented at 2009 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, UK

A built-in planar metal plate antenna for mobile handsets with balanced operation is presented. The antenna was designed by folding a thin strip planar dipole with extra arm on each monopole. The antenna features balanced operation, is to reduce the... Read More about Dual-band balanced handset antenna for WLAN application.

New approach for designing beam steering uniform antenna arrays using Genetic Algorithms (2009)
Presentation / Conference Contribution
Abusitta, M., Abd-Alhameed, R., Zhou, D., See, C., Jones, S., & Excell, P. (2009, November). New approach for designing beam steering uniform antenna arrays using Genetic Algorithms. Presented at 2009 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, UK

A new approach to the design of electronic beam steering in antenna arrays is introduced and analysed. The technique is demonstrated for a uniform antenna array structure. The radiation pattern of the antenna array is formed and the beam steering tun... Read More about New approach for designing beam steering uniform antenna arrays using Genetic Algorithms.

Equal-Spaced Rectangular Meander-line Antenna RFID Tag Design for UHF Band (2009)
Presentation / Conference Contribution
Abd-Alhameed, R. A., Zhou, D., AlKhambashi, M., See, C. H., Abusitta, M., & Excell, P. S. (2009). Equal-Spaced Rectangular Meander-line Antenna RFID Tag Design for UHF Band.

Design and testing of an equal-spaced rectangular meander-line antenna (ESRMLA) for RFID tag applications in the European UHF band 865-868 MHz is presented. The tag antenna was modelled and analysed using two established electromagnetic simulator pac... Read More about Equal-Spaced Rectangular Meander-line Antenna RFID Tag Design for UHF Band.

A Wireless Sensor Network (WSN) for Underground Assets Monitoring (2009)
Presentation / Conference Contribution
See, C. H., Horoshenkov, K., Tait, S., Hu, Y., Abd-Alhameed, R. A., & Gardiner, J. (2009, July). A Wireless Sensor Network (WSN) for Underground Assets Monitoring. Poster presented at Wireless Sensing Showcase 2009, National Physical Laboratory, UK

Abstract not available.

New Balanced Mobile Antenna with Wide Bandwidth Performance (2009)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R., See, C., Alhaddad, A., & Excell, P. (2009). New Balanced Mobile Antenna with Wide Bandwidth Performance. In 2009 3rd European Conference on Antennas and Propagation (549-552)

In this paper, a balanced antenna for mobile handset applications with broad bandwidth performance, covering frequencies from 2.6 GHz to 5.8 GHz, is investigated and discussed. The antenna is a variant of folded dipole antenna and a dual-arm on each... Read More about New Balanced Mobile Antenna with Wide Bandwidth Performance.

SAR Measurements for Several Two Elements Phased Antenna Array Handsets (2009)
Presentation / Conference Contribution
Moustafa, J., Abd-Alhameed, R., Zhou, D., See, C., McEwan, N., Excell, P., …Abidin, Z. (2009). SAR Measurements for Several Two Elements Phased Antenna Array Handsets. In 2009 3rd European Conference on Antennas and Propagation (2201-2204)

In recent years, electromagnetic dosimetry has been increasingly oriented towards the evaluation of energy deposition in the human body due to an exposure to cellular telephones. In this case of near-field exposure, the significant dosimetric paramet... Read More about SAR Measurements for Several Two Elements Phased Antenna Array Handsets.

Dual-frequency balanced mobile antenna for WLAN and short range communication systems (2009)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R., See, C., Chung, S., Alhaddad, A., & Excell, P. (2009). Dual-frequency balanced mobile antenna for WLAN and short range communication systems. In PIERS 2009 Beijing Proceedings (1264-1267)

In this paper, a balanced antenna for mobile handset applications with dual-frequency performance, that covers 2.4-GHz and 5.2-GHz WLAN bands, is investigated. The antenna is a thin-strip planar dipole with folded structure and a dual-arm on each mon... Read More about Dual-frequency balanced mobile antenna for WLAN and short range communication systems.

Meander-line antenna design for UHF RFID tag using a genetic algorithm (2009)
Presentation / Conference Contribution
Zhou, D., Abd-Alhameed, R., See, C., Alkhambashi, M., Zainal Abidin, Z., Ramli, K., …Usman, M. (2009). Meander-line antenna design for UHF RFID tag using a genetic algorithm. In PIERS 2009 Beijing Proceedings (1253-1256)

In this paper, a simple planar meander-line tag antenna for RFID application at UHF band designed and optimized using genetic algorithms (GA). The meander-line tag antenna dimensions were optimized and evaluated using GA in collaboration with NEC-2 s... Read More about Meander-line antenna design for UHF RFID tag using a genetic algorithm.

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). Wide-Elevation Circular-Polarized Quadrifilar Helical Antenna Handset Design For Satellite Communication Using Genetic Algorithms.

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). Characteristics Of A Circularly-Polarised Conical-Beam Microstrip Patch Antenna Arrays.

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 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). Design of Beam Steering Antenna Array for RFID Reader Using Fully Controlled RF Switches.

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). Wideband Loaded Wire Bow-tie Antenna for Near Field Imaging Using Genetic Algorithms. In Progress in Electromagnetics Research Symposium 2008 (PIERS 2008 Cambridge) (308-312)

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). Wireless sensor transmission range measurement within the ground level. In 2008 Loughborough Antennas and Propagation Conference (225-228). https://doi.org/10.1109/lapc.2008.4516907

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.

Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies (2008)
Presentation / Conference Contribution
See, C. H., Abd-Alhameed, R. A., Excell, P. S., & Zhou, D. (2008). Microscopic Biological Cell Level Model Using Modified Finite-difference Time-domain at Mobile Radio Frequencies.

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.