All Outputs (13)

On Spread Spectrum for DC Grids: Low-Frequency Conducted EMI Mitigation and Signal Integrity Disruption in Serial Communication Links (2023)
Journal Article
Pena-Quintal, A., Sayed, W. E., Sumner, M., Ercan, S. U., Greedy, S., Thomas, D., & Smolenski, R. (2023). On Spread Spectrum for DC Grids: Low-Frequency Conducted EMI Mitigation and Signal Integrity Disruption in Serial Communication Links. IEEE Transactions on Electromagnetic Compatibility, 65(4), 1027-1036. https://doi.org/10.1109/TEMC.2023.3273111

This article addresses the effects on nearby communication systems when spread spectrum modulation techniques are used for a dc-dc power converter. These interactions can be found in modern smart grids and automotive power networks in which the combi... Read More about On Spread Spectrum for DC Grids: Low-Frequency Conducted EMI Mitigation and Signal Integrity Disruption in Serial Communication Links.

Impact of dielectric substrates on chipless RFID tag performance (2022)
Journal Article
Ali, A., Smartt, C., Im, J., Williams, O., Lester, E., & Greedy, S. (2022). Impact of dielectric substrates on chipless RFID tag performance. International Journal of Microwave and Wireless Technologies, https://doi.org/10.1017/s1759078722001039

A five-slot hexagonal shape chipless RFID tag is designed, simulated, and manufactured on FR4 substrate. The designed tag's copper geometry was replicated on a wide range of dielectric substrate to quantify the impact on resonance quality factor (RQF... Read More about Impact of dielectric substrates on chipless RFID tag performance.

Impact of Pseudo-Random Modulation on Measured Conducted EMI (2022)
Journal Article
Pena-Quintal, A., Loschi, H., Smolenski, R., Sumner, M., Thomas, D., Greedy, S., …Leferink, F. (2022). Impact of Pseudo-Random Modulation on Measured Conducted EMI. IEEE Electromagnetic Compatibility Magazine, 11(2), 84-92. https://doi.org/10.1109/memc.2022.9873829

This paper demonstrates that using conventional frequency scanning methods for the evaluation of conducted electromagnetic interference generated by DC/DC converters can give misleading results when pseudo-random modulation is used as part of the con... Read More about Impact of Pseudo-Random Modulation on Measured Conducted EMI.

High capacity chipless RFID tags for biomass tracking application (2022)
Journal Article
Ali, A., Smartt, C., Lester, E., Williams, O., & Greedy, S. (2023). High capacity chipless RFID tags for biomass tracking application. International Journal of Microwave and Wireless Technologies, 15(5), 742-752. https://doi.org/10.1017/S1759078722000745

The design of a low-cost, flexible, miniaturized and a high code density chipless RFID tag is presented as a solution for tracking the transportation of biomass fuel pellets. The performance of the tag is presented and demonstrates the applicability... Read More about High capacity chipless RFID tags for biomass tracking application.

High capacity chipless RFID tags for biomass tracking application (2022)
Journal Article
Ali, A., Smartt, C., Lester, E., Williams, O., & Greedy, S. (2023). High capacity chipless RFID tags for biomass tracking application. International Journal of Microwave and Wireless Technologies, 15(5), 742-752. https://doi.org/10.1017/s1759078722000745

The design of a low-cost, flexible, miniaturized, and a high code density chipless radio-frequency identification (RFID) tag is presented as a solution for tracking the transportation of biomass fuel pellets. The performance of the tag is presented a... Read More about High capacity chipless RFID tags for biomass tracking application.

Reconfigurable Intelligent Surface-Assisted Bluetooth Low Energy Link in Metal Enclosure (2021)
Journal Article
Lodro, M., Gradoni, G., Gros, J., Greedy, S., & Lerosey, G. (2021). Reconfigurable Intelligent Surface-Assisted Bluetooth Low Energy Link in Metal Enclosure. Frontiers in Communications and Networks, 2, Article 733637. https://doi.org/10.3389/frcmn.2021.733637

Reconfigurable intelligent surface (RIS) technology is at the forefront for its transformative role in future wireless communication systems such as wireless local area networks (WLAN), sixth-generation (6G) communication, and internet-of-things (IoT... Read More about Reconfigurable Intelligent Surface-Assisted Bluetooth Low Energy Link in Metal Enclosure.

Using Deep Machine Learning to Understand the Physical Performance Bottlenecks in Novel Thin‐Film Solar Cells (2019)
Journal Article
Majeed, N., Saladina, M., Krompiec, M., Greedy, S., Deibel, C., & Mackenzie, R. C. I. (2020). Using Deep Machine Learning to Understand the Physical Performance Bottlenecks in Novel Thin‐Film Solar Cells. Advanced Functional Materials, 30(7), Article 1907259. https://doi.org/10.1002/adfm.201907259

There is currently a worldwide effort to develop novel materials for solar energy harvesting which are efficient, low cost and do not emit significant levels of CO 2 during manufacture. Currently when a researcher fabricates a novel device from a nov... Read More about Using Deep Machine Learning to Understand the Physical Performance Bottlenecks in Novel Thin‐Film Solar Cells.

Electromagnetic shielding effectiveness of carbon fibre reinforced composites (2019)
Journal Article
Munalli, D., Dimitrakis, G., Chronopoulos, D., Greedy, S., & Long, A. (2019). Electromagnetic shielding effectiveness of carbon fibre reinforced composites. Composites Part B: Engineering, 173, Article 106906. https://doi.org/10.1016/j.compositesb.2019.106906

This paper reports results on the shielding effectiveness parameter of laminated epoxy composites with carbon fibre reinforcements. Measurements of shielding effectiveness were carried out with a coaxial transmission line testing chamber according to... Read More about Electromagnetic shielding effectiveness of carbon fibre reinforced composites.

An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator (2018)
Journal Article
Cumming, D. R., Thomas, D., Maricar, M. I., Khalid, A., Dunn, G., Greedy, S., …Oxley, C. H. (2018). An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator. Microwave and Optical Technology Letters, 60(9), 2144-2148. https://doi.org/10.1002/mop.31312

© 2018 Wiley Periodicals, Inc. The planar Gunn diode offers the potential of microwave, milli-metric and THz-based oscillators, which can be fabricated as part of a microwave monolithic integrated circuit (mmic). The paper develops an electrical repr... Read More about An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator.

Throughput analysis of full-duplex communication cognitive radio network (2017)
Journal Article
Lodro, M. M., Greedy, S., Mahoto, N. A., & Unar, M. A. (2017). Throughput analysis of full-duplex communication cognitive radio network. Wireless Personal Communications, 97(2), https://doi.org/10.1007/s11277-017-4662-9

In this paper we deal with the throughput of full-duplex cognitive communication radio which exploits unused band of primary user (PU) network. Classical cognitive radio uses half-duplex communication spectrum sensing to perform spectrum sensing and... Read More about Throughput analysis of full-duplex communication cognitive radio network.

3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications (2016)
Journal Article
Saleh, E., Woolliams, P., Clarke, B., Gregory, A., Greedy, S., Smartt, C., …Tuck, C. (2017). 3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications. Additive Manufacturing, 13, 143-148. https://doi.org/10.1016/j.addma.2016.10.002

Inkjet printing of multiple materials is usually processed in multiple steps due to various jetting and curing/sintering conditions. In this paper we report on the development of all inkjet-printed UV-curable electromagnetic responsive inks in a sing... Read More about 3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications.

Theory of Stark spectroscopy transients from thin film organic semiconducting devices (2014)
Journal Article
MacKenzie, R. C. I., Göritz, A., Greedy, S., von Hauff, E., & Nelson, J. (2014). Theory of Stark spectroscopy transients from thin film organic semiconducting devices. Physical review B: Condensed matter and materials physics, 89, 1-9. https://doi.org/10.1103/physrevb.89.195307

Herein, we propose a model to describe picosecond-nanosecond charge separation and nongeminate recombination in organic semiconductors. The model is used to explain time-resolved electroabsorption (EA) measurements performed on diodes made from pheny... Read More about Theory of Stark spectroscopy transients from thin film organic semiconducting devices.

A novel photonic crystal band-pass filter using degenerate modes of a point-defect microcavity for terahertz communication systems (2014)
Journal Article
Chun-Ping, C., Anada, T., Greedy, S., Benson, T. M., & Sewell, P. (2014). A novel photonic crystal band-pass filter using degenerate modes of a point-defect microcavity for terahertz communication systems. Microwave and Optical Technology Letters, 56(4), 792-797. https://doi.org/10.1002/mop.28204

Compact devices are important for the realization of terahertz communications systems. This article proposes a novel photonic crystal-based device for realizing microminiature, high-selectivity high Q band-pass filters (BPF) and the design of a dual-... Read More about A novel photonic crystal band-pass filter using degenerate modes of a point-defect microcavity for terahertz communication systems.