All Outputs (28)

Tidal Turbine Benchmarking Exercise: Environmental Characterisation and Geometry Specification (2022)
Presentation / Conference Contribution
Tucker Harvey, S. W., Chen, X., Rowe, D., Bhavsar, K., Allsop, T., Gilbert, J., Stallard, T., Vogel, C. R., & Willden, R. H. J. (2021, September). Tidal Turbine Benchmarking Exercise: Environmental Characterisation and Geometry Specification. Presented at European Wave and Tidal Energy Conference (EWTEC) 2021, Plymouth, UK

Uncertainty in tidal turbine loading contributes significantly to conservatism in turbine design. This uncertainty originates not only from a lack of knowledge of the flow field at a particular site, but also from lack of understanding of the fundame... Read More about Tidal Turbine Benchmarking Exercise: Environmental Characterisation and Geometry Specification.

The effect of beat interval on ventricular repolarisation in atrial fibrillation (2019)
Presentation / Conference Contribution
Al-Karadi, M. S., Wilkinson, A. J., & Langley, P. (2018, September). The effect of beat interval on ventricular repolarisation in atrial fibrillation. Presented at 2018 Computing in Cardiology Conference (CinC), Maastricht, The Netherlands

© 2018 Creative Commons Attribution. Atrial fibrillation (AF) is characterised by rapid beat interval changes. The aim of the study was to investigate the effect of such changes on ECG ventricular repolarisation characteristics. In 10 AF recordings b... Read More about The effect of beat interval on ventricular repolarisation in atrial fibrillation.

Implementation of combined geolocation database and infrastructure sensing in TV bands using different spectrum devices (2017)
Presentation / Conference Contribution
Fanan, A., Riley, N. G., Mehdawi, M., & Alfahad, O. (2017, November). Implementation of combined geolocation database and infrastructure sensing in TV bands using different spectrum devices. Presented at 25th Telecommunications forum TELFOR 2017

—In the present day, the TV Band has become a realistic option and has attracted much attention due to the potential to exploit underutilized TV white space for other communications, based on time and location. In this paper, we design a flexible sys... Read More about Implementation of combined geolocation database and infrastructure sensing in TV bands using different spectrum devices.

Towards an intraoral-based silent speech restoration system for post-laryngectomy voice replacement (2017)
Presentation / Conference Contribution
Cheah, L. A., Gilbert, J. M., Gonzalez, J. A., Bai, J., Ell, S. R., Green, P. D., & Moore, R. K. Towards an intraoral-based silent speech restoration system for post-laryngectomy voice replacement. Presented at International Joint Conference on Biomedical Engineering Systems and Technologies BIOSTEC 2016: Biomedical Engineering Systems and Technologies, Rome, Italy

© Springer International Publishing AG 2017, Silent Speech Interfaces (SSIs) are alternative assistive speech technologies that are capable of restoring speech communication for those individuals who have lost their voice due to laryngectomy or disea... Read More about Towards an intraoral-based silent speech restoration system for post-laryngectomy voice replacement.

Voice restoration after laryngectomy based on magnetic sensing of articulator movement and statistical articulation-to-speech conversion (2017)
Presentation / Conference Contribution
Gonzalez, J. A., Cheah, L. A., Gilbert, J. M., Bai, J., Ell, S. R., Green, P. D., & Moore, R. K. Voice restoration after laryngectomy based on magnetic sensing of articulator movement and statistical articulation-to-speech conversion. Presented at Biomedical Engineering Systems and Technologies 9th International Joint Conference, BIOSTEC 2016, Rome, Italy

© Springer International Publishing AG 2017. In this work, we present a silent speech system that is able to generate audible speech from captured movement of speech articulators. Our goal is to help laryngectomy patients, i.e. patients who have lost... Read More about Voice restoration after laryngectomy based on magnetic sensing of articulator movement and statistical articulation-to-speech conversion.

Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio (2017)
Presentation / Conference Contribution
Mehdawi, M., Riley, N. G., Fanan, A., & Ammar, M. (2016, November). Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio. Presented at 24th Telecommunications Forum, TELFOR 2016

© 2016 IEEE. Cognitive radio (CR) has been proposed as a solution to the spectrum scarcity problem, which is aggravated by emergence of bandwidth-hungry and feature-rich wireless applications. Selection of appropriate antennas for cognitive radio app... Read More about Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio.

Comparison of spectrum occupancy measurements using software defined radio RTL-SDR with a conventional spectrum analyzer approach (2016)
Presentation / Conference Contribution
Fanan, A., Riley, N., Mehdawi, M., Ammar, M., & Zolfaghari, M. (2016, November). Comparison of spectrum occupancy measurements using software defined radio RTL-SDR with a conventional spectrum analyzer approach. Presented at 2015 23rd Telecommunications Forum Telfor (TELFOR)

In the present day Cognitive Radio has become a realistic option for solution of the spectrum scarcity problem in wireless communication. Recently, the TV band has attracted attention due to the considerable potential for exploitation of available TV... Read More about Comparison of spectrum occupancy measurements using software defined radio RTL-SDR with a conventional spectrum analyzer approach.

Spectrum occupancy measurements and lessons learned in the context of cognitive radio (2016)
Presentation / Conference Contribution
Mehdawi, M., Riley, N. G., Ammar, M., Fanan, A., & Zolfaghari, M. (2015, November). Spectrum occupancy measurements and lessons learned in the context of cognitive radio. Presented at 2015 23rd Telecommunications Forum, TELFOR 2015

Various measurement campaigns have shown that numerous spectrum bands are vacant even though licenses have been issued by the regulatory agencies. Dynamic spectrum access (DSA) based on Cognitive Radio (CR) has been regarded as a prospective solution... Read More about Spectrum occupancy measurements and lessons learned in the context of cognitive radio.

Security aspects in cognitive radio networks detection and mitigation of primary user emulation attacks (2015)
Presentation / Conference Contribution
Ammar, M., Riley, N., Mehdawi, M., Fanan, A., & Zolfaghari, M. (2015, April). Security aspects in cognitive radio networks detection and mitigation of primary user emulation attacks. Presented at COCORA 2015 : The Fifth International Conference on Advances in Cognitive Radio

Cognitive Radio Networks (CR) is an advanced growing technique and a promising technology for the upcoming generation of the wireless networks. Deployment of such networks is hindered by the vulnerabilities that these networks are exposed to, in this... Read More about Security aspects in cognitive radio networks detection and mitigation of primary user emulation attacks.

Physical Layer Security in Cognitive Radio Networks: Detection and Mitigation of Primary User Emulation Attacks (2015)
Presentation / Conference Contribution
Ammar, M., Riley, N., Mehdawi, M., Fanan, A., & Zolfaghari, M. (2015, January). Physical Layer Security in Cognitive Radio Networks: Detection and Mitigation of Primary User Emulation Attacks. Presented at International Conference on Artificial Intelligence, Energy and Manufacturing Engineering

Cognitive Radio Networks (CR) is an advanced growing technique and a promising technology for the upcoming generation of the wireless networks in order to efficiently utilize the limited spectrum resources and satisfy the rapidly increasing demand fo... Read More about Physical Layer Security in Cognitive Radio Networks: Detection and Mitigation of Primary User Emulation Attacks.

Experimental detection using cyclostationary feature detectors for cognitive radios (2014)
Presentation / Conference Contribution
Zolfaghari, M., Fanan, A., Mehdawi, M., Riley, N. G., & Ammar, M. (2014, November). Experimental detection using cyclostationary feature detectors for cognitive radios. Presented at 2014 22nd Telecommunications Forum, TELFOR 2014 - Proceedings of Papers, Serbia, Belgrade

© 2014 IEEE. Signal detection is widely used in many applications. Some examples include Cognitive Radio (CR) and military intelligence. Without guaranteed signal detection, a CR cannot reliably perform its role. Spectrum sensing is currently one of... Read More about Experimental detection using cyclostationary feature detectors for cognitive radios.

Fault estimation and active fault tolerant control for linear parameter varying descriptor systems (2014)
Presentation / Conference Contribution
Shi, F., & Patton, R. J. Fault estimation and active fault tolerant control for linear parameter varying descriptor systems

Starting with the baseline controller design, this paper proposes an integrated approach of active fault tolerant control based on proportional derivative extended state observer (PDESO) for linear parameter varying descriptor systems. The PDESO can... Read More about Fault estimation and active fault tolerant control for linear parameter varying descriptor systems.

Survey: A comparison of spectrum sensing techniques in cognitive radio (2014)
Presentation / Conference Contribution
Fanan, A., Riley, N., Mehdawi, M., Ammar, M., & Zolfaghari, M. (2014, January). Survey: A comparison of spectrum sensing techniques in cognitive radio. Presented at International Conference Image Processing, Computers and Industrial Engineering

In the present day Cognitive Radio has become a realistic option for solution of the spectrum scarcity problem in wireless communication. One of the most challenging issues in cognitive radio systems is spectrum sensing concepts, which is considered... Read More about Survey: A comparison of spectrum sensing techniques in cognitive radio.

A Spectrum Sensing Test Bed based on Matlab and USRP2 (2014)
Presentation / Conference Contribution
Ammar, M., Mehdawi, M., Riley, N., Fanan, A., Paulson, K., & Zolfaghari, M. (2014, January). A Spectrum Sensing Test Bed based on Matlab and USRP2. Presented at International Conference on Machine Learning, Electrical and Mechanical Engineering

— The spectrum monitoring has gained new aspects with development of the software defined radio SDR as its very important issue in the spectrum management area. In this paper a spectrum monitoring technique with SDR is proposed, the setup of the prot... Read More about A Spectrum Sensing Test Bed based on Matlab and USRP2.

A slot-loaded reduced-size CPW-fed aperture antenna for UWB applications (2013)
Presentation / Conference Contribution
Zolfaghari, M., Riley, N. G., Mahdawi, M., & Shen, J. (2013, November). A slot-loaded reduced-size CPW-fed aperture antenna for UWB applications. Presented at 2013 Loughborough Antennas and Propagation Conference, LAPC 2013

The paper presents a co-planar wave guide (CPW)-fed slot loaded low return loss planar printed antenna with a small size designed for wireless communication and UWB applications. First, a conventional UWB antenna is modeled to provide a reference poi... Read More about A slot-loaded reduced-size CPW-fed aperture antenna for UWB applications.

Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio (2013)
Presentation / Conference Contribution
Mehdawi, M. A., Riley, N. G., Ammar, M., Fanan, A., & Zolfaghari, M. (2013, November). Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio. Presented at 2013 21st Telecommunications Forum Telfor, TELFOR 2013 - Proceedings of Papers

Cognitive radio offers an increasingly attractive solution to overcome the underutilization problem. A sensor network based cooperative wideband spectrum sensing is proposed in this paper. The purpose of the sensor network is to determine the frequen... Read More about Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio.

Comparing historical and current spectrum occupancy measurements in the context of cognitive radio (2012)
Presentation / Conference Contribution
Mehdawi, M., Riley, N., Ammar, M., & Zolfaghari, M. (2012, November). Comparing historical and current spectrum occupancy measurements in the context of cognitive radio. Presented at 2012 20th Telecommunications Forum (TELFOR)

Cognitive radio (CR) technology promises to be one possible solution to solve the problem of lack of frequency spectrum, by allowing access of unlicensed users in licensed bands, based on an opportunistic approach and without interfering with the lic... Read More about Comparing historical and current spectrum occupancy measurements in the context of cognitive radio.

A phase modulation-based ultrasonic communication system using Variable Structure Control (2010)
Presentation / Conference Contribution
Ma, S., Wilkinson, A. J., & Paulson, K. S. A phase modulation-based ultrasonic communication system using Variable Structure Control. Presented at 2010 IEEE 12th International Conference on Communication Technology

Narrow bandwidth transducers used in existing ultrasonic data communication systems are known to be devices with a high Q resonant response and low coupling to both the electrical drive and acoustic output interfaces. These features limit the speed o... Read More about A phase modulation-based ultrasonic communication system using Variable Structure Control.

Simulation of osteocyte apoptosis on signalling in the osteocyte-bone lining cell network and implications for osteoporosis (2010)
Presentation / Conference Contribution
Ahwal, F., Patton, R., & Fagan, M. Simulation of osteocyte apoptosis on signalling in the osteocyte-bone lining cell network and implications for osteoporosis

An investigation of the sensitivity of embedded passive component temperatures to PCB structure (2002)
Presentation / Conference Contribution
Stubbs, D. M., Pulko, S. H., & Wilkinson, A. J. An investigation of the sensitivity of embedded passive component temperatures to PCB structure

The embedding of passive components such as resistors, capacitors and inductors within printed circuit boards (PCBs) is motivated, to a large extent, by the desire for increased miniaturization of electronic goods. However, resistors and, to a lesser... Read More about An investigation of the sensitivity of embedded passive component temperatures to PCB structure.