Skip to main content

Research Repository

Advanced Search

Outputs (124)

Uncertainty determination of in situ airborne sound insulation measurements (2014)
Journal Article
Machimbarrena, M., Monteiro, C. R. A., Pedersoli, S., Johansson, R., & Smith, S. (2015). Uncertainty determination of in situ airborne sound insulation measurements. Applied Acoustics, 89, 199-210. https://doi.org/10.1016/j.apacoust.2014.09.018

In building acoustics the measurement uncertainty of sound insulation measurements is traditionally either not reported or reported as stated in the corresponding standard ISO 12999–1:2014. Determination and application of measurement uncertainties i... Read More about Uncertainty determination of in situ airborne sound insulation measurements.

Design and Acoustic Performance of Building Constructions for Multi-Storey Housing: Compendium. (2014)
Book Chapter
Fausti, P., García, T. C., Ingelaere, B., Machimbarrena, M., Monteiro, C. R. A., Santoni, A., Secchi, S., & Smith, S. (2014). Design and Acoustic Performance of Building Constructions for Multi-Storey Housing: Compendium. In B. Rasmussen, & M. Machimbarr

This chapter provides an overview of the range of construction types found across Europe to meet various sound insulation requirements for separating (party) walls and floors. The typical construction system, material properties and key influencing... Read More about Design and Acoustic Performance of Building Constructions for Multi-Storey Housing: Compendium..

Profiling Existing and New Build Housing Stock. (2014)
Book Chapter
Smith, S. (2014). Profiling Existing and New Build Housing Stock. In B. Rasmussen, & M. Machimbarrena (Eds.), COST Action TU0901 – Building acoustics throughout Europe. Volume 1: Towards a common framework (12-30). European Cooperation in Science and Te

Acoustic Hanger (2017)
Patent
Su, S., Smith, S., & McAndrew, S. (2017). Acoustic Hanger. GB 2493005. UK Patent Office

This patent stemmed from research undertaken to investigate the reduction of sound transmission through lightweight floors in apartments. Lightweight floors have commonly been associated with low frequency resonance issues partly due to the lack of i... Read More about Acoustic Hanger.

Towards individualised speech enhancement: An SNR preference learning system for multi-modal hearing aids (2023)
Presentation / Conference Contribution
Kirton-Wingate, J., Ahmed, S., Gogate, M., Tsao, Y., & Hussain, A. (2023, June). Towards individualised speech enhancement: An SNR preference learning system for multi-modal hearing aids. Presented at 2023 IEEE International Conference on Acoustics, Speec

Since the advent of deep learning (DL), speech enhancement (SE) models have performed well under a variety of noise conditions. However, such systems may still introduce sonic artefacts, sound unnatural, and restrict the ability for a user to hear am... Read More about Towards individualised speech enhancement: An SNR preference learning system for multi-modal hearing aids.

Improved Adaptive Impedance Matching for RF Front-End Systems of Wireless Transceivers (2020)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, . P., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, . E. (2020). Improved Adaptive Impedance Matching for RF Front-End Systems of Wireless Transceivers. Scientific Reports, 10(1), Article 14065 (2020).

In this paper an automatic adaptive antenna impedance tuning algorithm is presented that is based on quantum inspired genetic optimization technique. The proposed automatic quantum genetic algorithm (AQGA) is used to find the optimum solution for a l... Read More about Improved Adaptive Impedance Matching for RF Front-End Systems of Wireless Transceivers.

Study on Improvement of the Performance Parameters of a Novel 0.41-0.47 THz On-Chip Antenna Based on Metasurface Concept Realized on 50um GaAs-Layer (2020)
Journal Article
Alibakhshikenari, M., Virdee, B. S., See, C. H., Shukla, P., Salekzamankhani, S., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2020). Study on Improvement of the Performance Parameters of a Novel 0.41-0.47 THz On-Chip Antenna Based on Metasurface Concep

A feasibility study is presented on the performance parameters of a novel on-chip antenna based on metasurface technology at terahertz band. The proposed metasurface on-chip antenna is constructed on an electrically thin high-permittivity gallium ars... Read More about Study on Improvement of the Performance Parameters of a Novel 0.41-0.47 THz On-Chip Antenna Based on Metasurface Concept Realized on 50um GaAs-Layer.

Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems (2019)
Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Falcone, F., Quazzane, K., & Limiti, E. (2020). Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems. IET microwav

A metamaterial photonic bandgap (MTM-PBG) periodic structure is used as a decoupling frame to improve the isolation between transmit–receive (T/R) sections of densely packed array antenna in synthetic aperture radar (SAR) and multiple-input multiple-... Read More about Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems.

High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems (2019)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019, September). High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integra

A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits operating from 0.28 to 0.30 THz. The antenna structure comprises a square p... Read More about High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems.

Silicon-Based 0.450-0.475 THz Series-Fed Double Dielectric Resonator On-Chip Antenna Array Based on Metamaterial Properties for Integrated-Circuits (2019)
Presentation / Conference Contribution
Alibakhshikenari, M., Virdee, B. S., See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019, September). Silicon-Based 0.450-0.475 THz Series-Fed Double Dielectric Resonator On-Chip Antenna Array Based on Metamaterial Properties for Integrated-Circuit

The antenna array designed to operate over 0.450-0.475 Terahertz comprises two dielectric resonators (DRs) that are stacked vertically on top of each other and placed on the surface of the slot antenna fabricated on a silicon substrate using standard... Read More about Silicon-Based 0.450-0.475 THz Series-Fed Double Dielectric Resonator On-Chip Antenna Array Based on Metamaterial Properties for Integrated-Circuits.

Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators (2019)
Journal Article
Zebiri, C., Sayad, D., Elfergani, I., Kosha, J., Mshwat, W., See, C. H., Lashab, M., Rodriguez, J., Sayidmarie, K. H., Obeidat, H., & Abd-Alhameed, R. (2019). Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Apertu

A new compact Cylindrical Dielectric Resonator Antenna (CDRA) with a defected ground for ultra-wideband applications is presented. The structure is based on two cylindrical dielectric resonators asymmetrically located with respect to the center of an... Read More about Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators.

Analysis of acoustical properties of wood and mode identification by sample scanning in the very near field (2016)
Presentation / Conference Contribution
Pantelić, F., Šumarac Pavlović, D., Mijić, M., & Ridley-Ellis, D. (2016). Analysis of acoustical properties of wood and mode identification by sample scanning in the very near field. In Zbornik apstrakata i program 60.konferencije ETRAN, Zlatibor

It is possible to achieve a good visualization of vibration modes by microphone scanning of a vibration excited sample of wood in very near field. The experimental settings, shown in this paper, were used for wood properties characterization and obse... Read More about Analysis of acoustical properties of wood and mode identification by sample scanning in the very near field.

Compact wideband printed MIMO/diversity monopole antenna for GSM/UMTS and LTE applications (2017)
Book Chapter
See, C. H., Saleh, A., Alabdullah, A. A., Hameed, K., Abd-Alhameed, R. A., Jones, S., & Majeed, A. H. (2018). Compact wideband printed MIMO/diversity monopole antenna for GSM/UMTS and LTE applications. In I. Elfergani, A. Hussaini, J. Rodriguez, & R. Abd-

Over the last decade, significant research effort has been devoted to enhance the isolation between multiple-input-multiple-output (MIMO) antenna elements. This has led to offer several solutions, which in terms of band calcifications may be categori... Read More about Compact wideband printed MIMO/diversity monopole antenna for GSM/UMTS and LTE applications.

Annotated bibliography of utopian and dystopian children's fiction (2003)
Book Chapter
Hintz, C., Ostry, E., Sambell, K., & Totaro, R. C. N. (2003). Annotated bibliography of utopian and dystopian children's fiction. In C. Hintz, & E. Ostry (Eds.), Utopian and dystopian writing for children and young adults (200-231). Routledge

This volume examines a variety of utopian writing for children from the 18th century to the present day, defining and exploring this new genre in the field of children's literature. The original essays discuss thematic conventions and present detaile... Read More about Annotated bibliography of utopian and dystopian children's fiction.

A Miniaturised Monopole Wideband Antenna with Reconfigurable Band Rejection for WLAN/WiMAX (2015)
Presentation / Conference Contribution
Elfergani, I. T. E., Hussaini, A. S., See, C. H., Rodriguez, J., Abd-Alhameed, R., & Marques, P. (2014, November). A Miniaturised Monopole Wideband Antenna with Reconfigurable Band Rejection for WLAN/WiMAX. Presented at WICON 2014, Lisbon, POrtugal

This paper proposes a tuneable band-rejected miniaturised monopole antenna. The band-notching was achieved by printing an inner chorded crescent shape over the surface of the substrate. By placing a small varactor between the inner and outer arches,... Read More about A Miniaturised Monopole Wideband Antenna with Reconfigurable Band Rejection for WLAN/WiMAX.

Compact and closely spaced tunable printed F-slot multiple-input–multiple-output antenna system for portable wireless applications with efficient diversity (2014)
Journal Article
Elfergani, I. T., Hussaini, A. S., Rodriguez, J., Abd-Alhameed, R. A., See, C. H., Jan, N., Zhu, S., & McEwan, N. J. (2014). Compact and closely spaced tunable printed F-slot multiple-input–multiple-output antenna system for portable wireless applicatio

In this work, miniaturised tunable two-antenna multiple-input–multiple-output (MIMO) systems composed of printed F-slot shaped are developed to operate in the global positioning system (GPS), personal communication system (PCS), distributed control s... Read More about Compact and closely spaced tunable printed F-slot multiple-input–multiple-output antenna system for portable wireless applications with efficient diversity.

Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber (2014)
Presentation / Conference Contribution
La Spada, L. (2014, September). Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber. Presented at 9th International Conference on Body Area Networks, London, Great Britain

The purpose of this paper is to design a new electromagnetic wave absorber. It consists of a planar layered structure with an isotropic Epsilon-Near-Zero (ENZ) material and a gold metal inclusion, both placed over a perfect conductor (PEC) plate. Abs... Read More about Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber.