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Coverage Probability of Cell-Free Massive MIMO Systems
Papazafeiropoulos, A. K.; Kourtessis, P.; Renzo, M. DI; Chatzinotas, S.; Senior, J. M. (Institute of Electrical and Electronics Engineers (IEEE), 2020-12-04)Despite that ongoing and future networks become denser and increasingly irregular, prior works in the area of cell-free (CF) massive multiple-input-multiple-output (mMIMO) systems relied on the strong assumption of uniformly ... -
Coverage Probability of STAR-RIS assisted Massive MIMO systems with Correlation and Phase Errors
Papazafeiropoulos, Anastasios; Abdullah, Zaid; Kourtessis, Pandelis; Kisseleff, Steven; Krikidis, Ioannis (2022-06-01)In this letter, we investigate a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisting a massive multiple-input multiple-output (mMIMO) system. In particular, we derive a closed-form ... -
COVID-19 lockdown induced changes in NO2 levels across India observed by multi-satellite and surface observations
Biswal, Akash; Singh, Vikas; Singh, Shweta; Sokhi, Ranjeet; Kesarkar, Amit P.; Ravindra, Khaiwal; Chipperfield, Martyn P.; Dhomse, Sandip S.; Pope, Richard J.; Singh, Tanbir; Mor, Suman (2021-04-01)We have estimated the spatial changes in NO 2levels over different regions of India during the COVID-19 lockdown (25 March-3 May 2020) using the satellite-based tropospheric column NO 2observed by the Ozone Monitoring ... -
Co‐inoculation timing affects the interspecific interactions between phoma stem canker pathogens Leptosphaeria maculans and Leptosphaeria biglobosa : Co-inoculation timing affects interspecific interactions
Bingol, Evren; Qi, Aiming; Karandeni‐Dewage, Chinthani; Ritchie, Faye; Fitt, Bruce D. L.; Huang, Yong‐Ju (2024-03-30)BACKGROUND: Phoma stem canker is an economically important disease of oilseed rape, caused by two co-existing fungal pathogen species, Leptosphaeria maculans (Plenodomus lingam) and Leptosphaeria biglobosa (Plenodomus ... -
Crisis and the Role of Money in the Real and Financial Economies - An Innovative Approach to Monetary Stimulus
Simmons, Richard; Dini, Paolo; Culkin, Nigel; Littera, Guiseppe (2021-03-20)‘Financial crisis’ is sometimes regarded as synonymous with ‘economic crisis’, but this is an oversimplification and risks missing the feedback loops between the financial and real economies. In this paper, the role of ... -
Critical perspectives on resilience
Calado, Alexandre; Capucha, Luis; Dagdeviren, Hulya; Donoghue, Matthew; Estêvão, Pedro (Edward Elgar Publishing, 2020-12-08)This chapter aims to contribute to the critical discussion of the concept of resilience and its pertinence and usefulness to contexts of socioeconomic hardship. Starting from an approach that contrasts the poverty studies ... -
Critical success factors (CSFs) for motivating end-user stakeholder’s support for ensuring sustainability of PPP projects in Nigerian host communities
Toriola-Coker, Luqman Olalekan; Owolabi, Hakeem A; Alaka, Hafiz; Adeniran Bello, Wasiu; Pathirage, Chaminda (2023-05-02)Purpose This study aims to investigate two public private partnership (PPP) road projects in Nigeria for exploring factors that can motivate end-user stakeholders for contributing towards sustaining a PPP project in the ... -
Cumulative Embodied and Operational Emissions of Retrofit in Birmingham Zero Carbon House
Jankovic, Ljubomir; Christophers, John (2022-07-08)Birmingham Zero Carbon House was retrofitted and extended from an 1840 end of terrace house to an award-winning house with negative operational emissions, receiving a RIBA Award for Architecture in 2010. In addition to a ... -
Current understanding of phoma stem canker and light leaf spot on oilseed rape in the UK
Huang, Yongju; Karandeni Dewage, Chinthani Shanika; Fitt, Bruce (University of Hertfordshire Press, 2021-06-16)Oilseed rape is the third most important arable crop in the UK. Phoma stem cankerand light leaf spot are two economically important diseases of this crop. These twodiseases cause annual yield losses of winter oilseed rape ... -
A data driven deep neural network model for predicting boiling heat transfer in helical coils under high gravity
Liang, Xing; Xie, Yongqi; Day, Rodney; Meng, Xianhai; Wu, Hongwei (2021-02-01)In this article, a deep artificial neural network (ANN) model has been proposed to predict the boiling heat transfer in helical coils under high gravity conditions, which is compared with experimental data. A test rig is ... -
Data-Driven Tools for Building Energy Consumption Prediction: A Review
Olu-Ajayi, Razak; Alaka, Hafiz; Owolabi, Hakeem; Akanbi, Lukman; Ganiyu, Sikiru (2023-03-09)The development of data-driven building energy consumption prediction models has gained more attention in research due to its relevance for energy planning and conservation. However, many studies have conducted the ... -
Dauerhaftigkeitsindikatoren für SVB entwicklung einer leistungsorientierten bemessung der dauerhaftigkeit von SVB
Kanellopoulos, Antonios; Ioannou, Ioannis; Petrou, Michael F. (2010)The fundamental principle behind the development of SCC has been the nanoscale tailoring of cementitious matrices. Although self-compacting concrete (SCC) is currently used in many countries, there is a fundamental lack ... -
Demonstration of Coarse-Fine Grooming in Coarse-WDM-Routed PONs
Shachaf, Y.; Polo, V.; Kourtessis, P.; Prat, J.; Senior, J.M. (2009)A scalable access network architecture is implemented experimentally to demonstrate gradual deployment of time- and wavelength-division-multiplexed passive optical networks (PONs) in a single-platform with minor changes ... -
Design and field campaign validation of a multi-rotor unmanned aerial vehicle and optical particle counter
Girdwood, Joseph; Smith, Helen R.; Stanley, Warren; Ulanowski, Joseph; Stopford, Chris; Chemel, Charles; Doulgeris, Konstantinos-Matthaios; Brus, David; Campbell, David; Mackenzie, Robert (2020-12-07)Small unmanned aircraft (SUA) have the potential to be used as platforms for the measurement of atmospheric particulates. The use of an SUA platform for these measurements provides benefits such as high manoeuvrability, ... -
Design of a Fuel Cell/Battery Hybrid Power System for a Micro Vehicle: Sizing Design and Hydrogen Storage Evaluation
Aslam, Zayd; Felix, Adrian; Kalyvas, Christos; Chizari, Mahmoud (2023-12-31)This work focuses on the design of a hybrid proton exchange membrane fuel cell (PEMFC) solution for any micro vehicle such as an unmanned aerial vehicle (UAV). A hydrogen fuel cell can provide extended operation, low ... -
Design of a high efficiency cyclone for collection of rare and low concentration airborne pathogens
Baxter, Richard; Johnston, Ian; Kaye, Richard; Munro, Ian; Tracey, Mark; Day, Rodney; McCluskey, Daniel (2017-03-16)Recent serious outbreaks of pathogens such as Chalara Fraxinea, (Ash Dieback) demonstrate the vulnerability of UK’s forests, woods, and trees. Early detection of threats is critical in the fight against such tree pests and ... -
Design Procedure of a Hybrid Renewable Power Generation System
Hosseini, Vahid; Izadi, Ali; Madani, Hossein; CHEN, Yong Kang; Chizari, Mahmoud; Chizari, Mahmoud (Springer Nature, 2021-04-30)Electrification of small communities in districted off-grid area remains as a challenge for power generation industries. In the current study, various aspects of design of a standalone renewable power plant are examined ... -
Designing a space-based galaxy redshift survey to probe dark energy
Wang, Yun; Percival, Will; Cimatti, Andrea; Mukherjee, Pia; Guzzo, Luigi; Baugh, Carlton M.; Carbone, Carmelita; Franzetti, Paolo; Garilli, Bianca; Geach, James E.; Lacey, Cedric G.; Majerotto, Elisabetta; Orsi, Alvaro; Rosati, Piero; Samushia, Lado; Zamorani, Giovanni (2010-12)A space-based galaxy redshift survey would have enormous power in constraining dark energy and testing general relativity, provided that its parameters are suitably optimized. We study viable space-based galaxy redshift ... -
A Detailed Study of Gas and Star Formation in a Highly Magnified Lyman Break Galaxy at z=3.07
Coppin, Kristen; Swinbank, A.M.; Neri, R.; Cox, P.; Smail, Ian; Ellis, R. S.; Geach, J.E.; Siana, B.; Teplitz, H.; Dye, S.; Kneib, J-P.; Edge, A. C.; Richard, J. (2007-08)We report the detection of CO(3-2) emission from a bright, gravitationally lensed Lyman Break Galaxy, LBGJ213512.73-010143 (the 'Cosmic Eye'), at z=3.07 using the Plateau de Bure Interferometer. This is only the second ... -
Detection and Analysis of Corrosion and Contact Resistance Faults of TiN and CrN Coatings on 410 Stainless Steel as Bipolar Plates in PEM Fuel Cells
Forouzanmehr , Mohsen; Kashyzadeh, Kazem Reza; Borjali, Amirhossein; Ivanov , Anastas; Gan , Tat-Hean; Wang, Bin; Chizari, Mahmoud (2022-01-19)Bipolar Plates (BPPs) are the most crucial component of the Polymer Electrolyte Membrane (PEM) fuel cell system. To improve fuel cell stack performance and lifetime, corrosion resistance and Interfacial Contact Resistance ...