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University of Utah

University of Utah

22 Projects, page 1 of 5
  • Funder: UK Research and Innovation Project Code: EP/K027379/1
    Funder Contribution: 1,011,000 GBP

    Over the past decades, computer simulations have played an increasingly important role in design of numerous complex systems. In particular, computer simulations have played a pivotal role in aerodynamic and structural design of aircraft. It is becoming apparent, however, that current generation software packages used for aerodynamics design are not fit for purpose. Newer software is required, that can make effective use of current and future computing platforms, to perform highly accurate so called 'scale-resolving' simulations of air flow over complex aircraft configurations. Such capability would lead to design of more efficient and capable aerospace technology. In particular, it would greatly improve design of next generation Unmanned Aerial Vehicles (UAVs), which in the coming decades are set to have a significant impact on our society, playing key roles in areas such as defense, border security, search and rescue, farming, fishing, cargo transport, wireless communications, and weather monitoring. The primary objectives of this research are to i.) develop software that can effectively leverage capabilities of current and future computing platforms (with many thousands or even millions of computing cores) to undertaken hitherto intractable simulations of airflow over complex UAV configurations ii.) test and demonstrate cutting edge functionality of this software, iii.) translate the technology to industry, such that it can be used to facilitate design of next generation UAVs. The research program will be lead by Dr. Peter Vincent (a Lecturer in the department of Aeronautics at Imperial College London). It will be undertaken in collaboration with various industrial partners including BAE Systems, NASA Glenn, Nvidia, and Zenotech, and with various academic partners including Stanford University, UC Berkeley, University of Swansea, and University of Utah. This assembled team of project partners, comprising a selection of the world's leading companies, and elite research institutions, will ensure the project successfully delivers its objectives.

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  • Funder: UK Research and Innovation Project Code: NE/T010568/1
    Funder Contribution: 401,212 GBP

    Melting ice sheets and glaciers are exposing vast ethereal landscapes dominated by seemingly barren post-glaciation soils. These new habitats support specialized and resilient microorganisms, and after many years, even lichens and plants. However, access to and measurements of these remote sites are typically restricted to the summer-and thus seasonal effects, including prolonged cold, dark winters, are under-studied. This collaborative effort between U.S. (University of Utah; University of Colorado, Boulder) and U.K. (Queen Mary University of London; British Geological Survey) researchers will measure biological, hydrologic, and chemical activity under the winter and spring snowpack, in soils near a retreating glacier in Svalbard, Norway, via continuously operated sensors and repeated field measurements. This will enable scientists to understand how under-snow processes contribute to the functioning and development of these unique soil ecosystems now and into the future. Additionally, project researchers will bring interactive lessons to classrooms in underserved areas in rural Colorado and Utah, remotely reach classrooms and podcast audiences around the world, provide research training for high school students from rural Colorado, and training for two university students and three postdoctoral researchers.

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  • Funder: UK Research and Innovation Project Code: NE/T010967/1
    Funder Contribution: 415,477 GBP

    Melting ice sheets and glaciers are exposing vast ethereal landscapes dominated by seemingly barren post-glaciation soils. These new habitats support specialized and resilient microorganisms, and after many years, even lichens and plants. However, access to and measurements of these remote sites are typically restricted to the summer-and thus seasonal effects, including prolonged cold, dark winters, are under-studied. This collaborative effort between U.S. (University of Utah; University of Colorado, Boulder) and U.K. (Queen Mary University of London; British Geological Survey) researchers will measure biological, hydrologic, and chemical activity under the winter and spring snowpack, in soils near a retreating glacier in Svalbard, Norway, via continuously operated sensors and repeated field measurements. This will enable scientists to understand how under-snow processes contribute to the functioning and development of these unique soil ecosystems now and into the future. Additionally, project researchers will bring interactive lessons to classrooms in underserved areas in rural Colorado and Utah, remotely reach classrooms and podcast audiences around the world, provide research training for high school students from rural Colorado, and training for two university students and three postdoctoral researchers.

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  • Funder: UK Research and Innovation Project Code: EP/P000673/1
    Funder Contribution: 713,111 GBP

    There are more than five billion wirelessly connected mobile devices in service today, most of which are handheld terminals or mobile-broadband devices such as computers and tablets. By 2020, mobile communications data traffic is expected to increase 1,000-fold, by which time there will be an estimated 50 billion Internet-capable devices. This transition will present a formidable challenge. Improving the energy efficiency (EE) of existing telecommunication networks is not just a necessary contribution towards the fight against global warming, but with the inevitable increases in the price of energy, it is becoming also a financial imperative. Future technologies (e.g. 5G) on which these devices will operate will require dramatically higher data rates and will consume far more power, and as a consequence increase their environmental footprint. To mitigate this, significant network densification, that is increasing the number of antennas per unit area, seems inevitable. To this end, a novel technological paradigm, known as massive MIMO, considers the deployment of hundreds of low-power antennas on the base station (BS) site to provide enhanced performance, reduced energy consumption, and better reliability. At the same time, the spectrum scarcity in the RF bands has stimulated a lot of research effort into mm-wave frequencies (30 to 300GHz). These frequencies offer numerous advantages: massive bandwidth/data rates, reduced RF interference, narrow beamwidths. The combination of the above technologies gives rise to mm-Wave massive MIMO, which is considered by many experts as the 'next big thing in wireless'. This paradigm shift avails of the vast available bandwidth at mm-frequencies, smaller form factors than designs implemented at current frequencies, reduced RF interference, channel orthogonality, and large beamforming/multiplexing gains. Yet, the practical design of mm-Wave massive MIMO faces many fundamental challenges, in respect of total energy consumption, circuitry cost, digital signal processing among others. In the context of the project, we envision a mm-wave massive MIMO topology performing a fraction of processing in the baseband (digital) and the remaining fraction in the RF band (analogue), with a reduced number of RF chains, to effectively address most of these challenges. In addition, by deploying low-resolution (coarse) analog-to-digital converters (ADCs), we can substantially reduce the power dissipation of mm-Wave massive MIMO transceivers. This visionary project will investigate the realisable potential of hybrid processing and 1-bit ADC quantisation. The specific project goals will be to: (a) find the optimal balance between analogue and digital processing for future MIMO configurations in order to maximise the end-to-end EE and experimentally validate the proposed solution, and; (b) investigate the realisable potential of 1-bit ADC quantisation and the channel estimation/resource allocation challenges it induces. By bringing together a world leading research team with expertise in communications engineering, signal processing, microwave engineering and antenna theory, and with the technical support of the biggest telecom equipment manufacturer in the world, Huawei Technologies Ltd, we will devise scalable low-complexity, low-power solutions suitable for the new generation of BS. We will investigate the algorithms and hardware that will optimise the performance of future BS to precisely meet performance and QoS targets, allied to minimum energy consumption. The application of the project results will contribute to the reduction of the ICT sector's contribution to global warming, through reduced power consumption and improved EE of future BSs. It will also influence many dynamic economical sectors within the UK: telecom equipment manufacturing, telecom operators, positioning systems, surveillance sector, smart cities, e-health, military equipment and automotive companies.

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  • Funder: UK Research and Innovation Project Code: MR/J002097/1
    Funder Contribution: 754,978 GBP

    Many pathogenic Gram negative bacteria possess tiny cell surface-localised injection devices, called type III secretion systems (T3SSs), dedicated to the delivery of virulence- mediating proteins into the cells of their eukaryotic hosts. Through the distal tip of their injection needle, these devices directly sense physical contact with host cells and activate the secretion machinery within the bacterium. We wish to understand how this initial cross-talk, which represents a fascinatingly complex signal transduction event between two very different types of organism, occurs at the mechanistic and molecular level. Our work will directly help understand how bacteria such as Shigella, Salmonella, Pseudomonas, Chlamydia and Yersinia, human pathogens which all carry T3SSs, first interact with the cells of their host. Some of the proteins involved are the only known protective antigens against these organisms, and their in-depth study may generate new opportunities for vaccine design. Precisely defining their molecular roles may also lead to the development of therapeutic drugs. Antibiotic resistance is ever increasing and spreading rapidly between different bacterial species, while fewer and fewer chemically new types are being discovered. The rational design of new anti-microbial drugs can be initiated from screening chemical libraries but this first requires that appropriate biological targets are defined. This can only be achieved by increasing basic mechanistic knowledge of how specific and conserved virulence factors operate. This is precisely what we propose to do. T3SSs carrying-bacteria are a major cause of infectious diseases not only in humans, but also in animals and plants, even in the developed world. As T3SS are so wide-spread and conserved, what we find may be applicable to preventing/treating numerous diseases in humans, animals and crops plants.

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