Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications (2016)
Journal Article
Yassin, A., Nasser, Y., Awad, M., Al-Dubai, A., Liu, R., Yuen, C., Raulefs, R., & Aboutanios, E. (2017). Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications. Communications Surveys and Tutorials, IEEE Communications Society, 19(2), 1327-1346. https://doi.org/10.1109/comst.2016.2632427

Nowadays, the availability of the location information becomes a key factor in today’s communications systems for allowing location based services. In outdoor scenarios, the Mobile Terminal (MT) position is obtained with high accuracy thanks to the G... Read More about Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications.

Weight Driven Cluster Head Rotation for Wireless Sensor Networks (2016)
Presentation / Conference Contribution
Eshaftri, M. A., Al-Dubai, A. Y., Romdhani, I., & Essa, A. (2016, November). Weight Driven Cluster Head Rotation for Wireless Sensor Networks. Presented at Proceedings of the 14th International Conference on Advances in Mobile Computing and Multi Media - MoMM '16, Singapore

Energy efficiency is one of the major issues in Wireless Sensor Networks (WSNs), due to the limited power and processing capabilities of the Sensor Nodes (SNs). The clustering techniques proved to be the effective solution to improve the energy effic... Read More about Weight Driven Cluster Head Rotation for Wireless Sensor Networks.

Research on the Chemical and Colour Changes of Historically Important Light-Sensitive Dyestuffs during Accelerated Light Ageing with Filtered Visible Light (2016)
Preprint / Working Paper
Quye, A., Han, J., & Innes, M. Research on the Chemical and Colour Changes of Historically Important Light-Sensitive Dyestuffs during Accelerated Light Ageing with Filtered Visible Light

Lighting is a key factor for the display and preservation of cultural heritage materials. This research pioneers the chemical investigation of colourants aged by visible light of different wavelengths. Silk samples dyed by historically important colo... Read More about Research on the Chemical and Colour Changes of Historically Important Light-Sensitive Dyestuffs during Accelerated Light Ageing with Filtered Visible Light.

A Comparative Study of Methods for Modelling the Structural Stiffness of Generator Components (2016)
Presentation / Conference Contribution
Jaen-Sola, P., & Mcdonald, A. (2016, April). A Comparative Study of Methods for Modelling the Structural Stiffness of Generator Components. Presented at 8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016), Glasgow, UK

Direct-drive generators are low speed electrical machines requiring robust and large supporting structures designed to resist the significant loads present during assembly and operation. Generator structures have to be stiff, especially in the radial... Read More about A Comparative Study of Methods for Modelling the Structural Stiffness of Generator Components.

Cellulose as a Pore Former in Electroless Co-Deposited Anodes for Solid Oxide Fuel Cells (2016)
Presentation / Conference Contribution
Turnbull, R., Davidson, A., Shearer, N., & Wilson, C. (2016, July). Cellulose as a Pore Former in Electroless Co-Deposited Anodes for Solid Oxide Fuel Cells. Presented at 12th European SOFC & SOE Forum 2016, Lucerne, Switzerland

A study was conducted to investigate the feasibility of cellulose as a pore former in the manufacture of Solid Oxide Fuel Cell (SOFC) anodes using Electroless Co-Deposition (ECD). Previous work into the use of ECD to produce SOFC anodes has found tha... Read More about Cellulose as a Pore Former in Electroless Co-Deposited Anodes for Solid Oxide Fuel Cells.

Conical beam monopole antenna design for Chinese area positioning system (2016)
Journal Article
Pang, F., Ai, G., Yin, J., Ma, Y., Hu, C., Cui, J., Ma, L., See, C. H., & Abd-Alhameed, R. A. (2016). Conical beam monopole antenna design for Chinese area positioning system. Progress in Electromagnetics Research C: PIER C, 68, 193-200. https://doi.org/10.2528/pierc16083005

This article describes the operational principle of the satellite-based Chinese Area Positioning System (CAPS) and proposes a monopole antenna for a large anchored buoy platform in harsh marine environment. The proposed antenna is highly omnidirectio... Read More about Conical beam monopole antenna design for Chinese area positioning system.

Comparison of Peak Armature and Field Winding Currents for Different Topologies of 10-MW Superconducting Generators Under Short-Circuit Conditions (2016)
Journal Article
Guan, Y., Vedreno-Santos, F., Li, G. J., Azar, Z., Thomas, A. S., Li, G.-J., Odavic, M., & Zhu, Z. Q. (2016). Comparison of Peak Armature and Field Winding Currents for Different Topologies of 10-MW Superconducting Generators Under Short-Circuit Conditions. IEEE Transactions on Applied Superconductivity, 26(8), 1-7. https://doi.org/10.1109/tasc.2016.2615077

This paper studies the peak armature and peak field winding currents for three different topologies of 10 MW partial High Temperature Superconducting Generators (HTSGs) under Short-Circuit Conditions (SCC) by simulation. The investigated partial HTSG... Read More about Comparison of Peak Armature and Field Winding Currents for Different Topologies of 10-MW Superconducting Generators Under Short-Circuit Conditions.

Microwave devices for controlling surface waves (2016)
Presentation / Conference Contribution
La Spada, L., & Hao, Y. (2016, August). Microwave devices for controlling surface waves. Presented at 2016 URSI International Symposium on Electromagnetic Theory (EMTS), Espoo, Finland

In the last few years, great interest grown up in the control and manipulation of electromagnetic surface wave. The aim of this paper is to present a novel approach to design new devices able to manipulate them. To validate the proposed design, two s... Read More about Microwave devices for controlling surface waves.

A compact and broadband balun design for LTE applications (2016)
Journal Article
Elfergani, I. T. E., Hussaini, A. S., Rodriguez, J., Ali, A. H., See, C. H., & Abd-Alhameed, R. A. (2016). A compact and broadband balun design for LTE applications. Progress in electromagnetics research B: PIER B, 67, 85-95. https://doi.org/10.2528/pierc16071805

In this paper, a compact wideband planar balun is studied and investigated. The proposed balun comprises a broadband Wilkinson divider followed by non-coupled lines to attain wideband 180° phase shift. Due to the inherent broadband characteristics of... Read More about A compact and broadband balun design for LTE applications.

Quad-Ridge Flared Horn feed design for Radio telescope receiver system Using a Genetic Algorithm (2016)
Presentation / Conference Contribution
Ma, Y., Yu, J., Pang, F., & See, C. H. (2016, August). Quad-Ridge Flared Horn feed design for Radio telescope receiver system Using a Genetic Algorithm. Presented at URSI Asia-Pacific Radio Science Conference, Seoul, Korea

Future broadband radio telescopes require broadband feeds for reflector antennas, and many new broadband feed technologies have gained substantial progress to satisfy the touch specifications for future radio telescope projects, such as the square ki... Read More about Quad-Ridge Flared Horn feed design for Radio telescope receiver system Using a Genetic Algorithm.

Evaluation of the durability and performance of FBG-based sensors for monitoring moisture in an aggressive gaseous waste sewer environment (2016)
Journal Article
Alwis, L. S. M., Bustamante, H., Bremer, K., Roth, B., Sun, T., & Grattan, K. T. V. (2017). Evaluation of the durability and performance of FBG-based sensors for monitoring moisture in an aggressive gaseous waste sewer environment. Journal of Lightwave Technology, 35(16), 3380-3386. https://doi.org/10.1109/jlt.2016.2593260

Measurements of the rate of corrosion in concrete sewers need to take into consideration the humidity in the environment and thus its accurate measurement becomes critically important. Introducing a novel approach to do so, tailored Fiber Bragg grati... Read More about Evaluation of the durability and performance of FBG-based sensors for monitoring moisture in an aggressive gaseous waste sewer environment.

Surface Wave Cloak from Graded Refractive Index Nanocomposites (2016)
Journal Article
La Spada, L., McManus, T. M., Dyke, A., Haq, S., Zhang, L., Cheng, Q., & Hao, Y. (2016). Surface Wave Cloak from Graded Refractive Index Nanocomposites. Scientific Reports, 6(1), 29363. https://doi.org/10.1038/srep29363

Recently, a great deal of interest has been re-emerged on the possibility to manipulate surface waves, in particular, towards the THz and optical regime. Both concepts of Transformation Optics (TO) and metamaterials have been regarded as one of key e... Read More about Surface Wave Cloak from Graded Refractive Index Nanocomposites.

Development of self-healing coatings for corrosion protection on metallic structures (2016)
Journal Article
Stankiewicz, A., & Barker, M. B. (2016). Development of self-healing coatings for corrosion protection on metallic structures. Smart Materials and Structures, 25(8), 084013. https://doi.org/10.1088/0964-1726/25/8/084013

Inspired by biological systems, artificial self-healing materials are designed for repairing local damage caused by external factors. The rapidly expanding field of self-healing systems contains, among others, materials with well-defined surface prop... Read More about Development of self-healing coatings for corrosion protection on metallic structures.

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, June). Analysis of acoustical properties of wood and mode identification by sample scanning in the very near field. Presented at 60th Meeting of the Society for Electronics, Telecommunications, Computers, Automatic Control and Nuclear Engineering ETRAN

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.

A generic design approach for metasurfaces to manipulate surface waves (2016)
Presentation / Conference Contribution
La Spada, L., & Hao, Y. (2016, April). A generic design approach for metasurfaces to manipulate surface waves. Presented at 2016 10th European Conference on Antennas and Propagation (EuCAP), Davos, Switzerland

Recently, there have been increasing interests in controlling and manipulating surface wave propagation based on metasufaces ranging from microwave to optical frequencies. Despite this, a general design tool, linking metasurfaces with classic EM theo... Read More about A generic design approach for metasurfaces to manipulate surface waves.

Stability Analysis of Large Wind Farms Connected to Weak AC Networks Incorporating PLL Dynamics (2016)
Presentation / Conference Contribution
Givaki, K., & Xu, L. (2015, October). Stability Analysis of Large Wind Farms Connected to Weak AC Networks Incorporating PLL Dynamics. Presented at International Conference on Renewable Power Generation (RPG 2015)

Voltage source converter interfaced wind turbines connected to weak grids can induce system instability. A state space model is used in this paper to study the stability of large wind farms. Dynamics of the phase locked loop is integrated to the stat... Read More about Stability Analysis of Large Wind Farms Connected to Weak AC Networks Incorporating PLL Dynamics.

Isotropic and anisotropic surface wave cloaking techniques (2016)
Journal Article
McManus, T. M., La Spada, L., & Hao, Y. (2016). Isotropic and anisotropic surface wave cloaking techniques. Journal of Optics, 18(4), 044005. https://doi.org/10.1088/2040-8978/18/4/044005

In this paper we compare two different approaches for surface waves cloaking. The first technique is a unique application of Fermat's principle and requires isotropic material properties, but owing to its derivation is limited in its applicability. T... Read More about Isotropic and anisotropic surface wave cloaking techniques.

Investigations in the Modeling and Control of a Medium-Voltage Hybrid Inverter System That Uses a Low-Voltage/Low-Power Rated Auxiliary Current Source Inverter (2016)
Journal Article
Papadopoulos, S., Rashed, M., Klumpner, C., & Wheeler, P. (2016). Investigations in the Modeling and Control of a Medium-Voltage Hybrid Inverter System That Uses a Low-Voltage/Low-Power Rated Auxiliary Current Source Inverter. IEEE Journal of Emerging and Selected Topics in Power Electronics, 4(1), 126-140. https://doi.org/10.1109/jestpe.2015.2488631

Hybrid converters consist of a main inverter processing the bulk of the power with poor waveform performance and a fast and versatile auxiliary inverter to correct the distortion. In this paper, the main converter is a medium-voltage (MV) neutral poi... Read More about Investigations in the Modeling and Control of a Medium-Voltage Hybrid Inverter System That Uses a Low-Voltage/Low-Power Rated Auxiliary Current Source Inverter.

Metamaterial-based wideband electromagnetic wave absorber (2016)
Journal Article
La Spada, L., & Vegni, L. (2016). Metamaterial-based wideband electromagnetic wave absorber. Optics express, 24(6), 5763. https://doi.org/10.1364/oe.24.005763

In this paper, an analytical and numerical study of a new type of electromagnetic absorber, operating in the infrared and optical regime, is proposed. Absorption is obtained by exploiting Epsilon-Near-Zero materials. The structure electromagnetic pro... Read More about Metamaterial-based wideband electromagnetic wave absorber.

Workshop videos for requirements communication. (2015)
Journal Article
Fricker, S. A., Schneider, K., Fotrousi, F., & Thuemmler, C. (2015). Workshop videos for requirements communication. Requirements Engineering, 21(4), 521-552. https://doi.org/10.1007/s00766-015-0231-5

Shared understanding of requirements between stakeholders and the development team is a critical success factor for requirements engineering. Workshops are an effective means for achieving such shared understanding. Stakeholders and team representati... Read More about Workshop videos for requirements communication..