Browsing Qatar University Institutional Repository by Title
Now showing items 7684-7703 of 26183
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An Energy-Efficient Resource Allocation Scheme for SWIPT-NOMA Based Femtocells Users with Imperfect CSI
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this paper, we propose, an energy-efficient resource allocation scheme for simultaneous wireless information and power transfer (SWIPT)-Non-orthogonal multiple access (NOMA) based femtocell users with imperfect channel ... -
Energy-Efficient Transmission Technique based on Dijkstra Algorithm for decreasing energy consumption in WSNs
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)In this paper, we propose an energy-efficient multihop transmission technique for Wireless Sensor Networks (WSN) based on Dijkstra algorithm. We consider a WSN composed of N sensor nodes. Firstly, we group the sensor nodes ... -
ENERGY-EFFICIENT USER-EDGE ASSOCIATION AND RESOURCE ALLOCATION IN IOT-BASED HIERARCHICAL FEDERATED LEARNING
(06-2 , Master Thesis)The proliferation of data as part of the Internet of Things (IoT) systems needs to be efficiently utilized while respecting data privacy and scalability. Edge computing is an emerging paradigm that mandates efficient ... -
Energy-Harvesting Based Jammer Localization: A Battery-Free Approach in Wireless Sensor Networks
( IEEE , 2022 , Conference Paper)Wireless enabling technologies in critical infrastructures are increasing the efficiency of communications. Most of these technologies are vulnerable to jamming attacks. Jamming attacks are among the most effective ... -
Enforcement Activism of the EU’ cement Activism of the EU’s Renewable Ener s Renewable Energy Directive During the Global Financial Crisis
(2014 , Article)The American “shale revolution”1 has been an economic blessing in a troubled time,2 a blessing the EU (“European Union”) has largely not enjoyed.3 It may prove, however, to have been a double-edged sword. If the ... -
Enforcement of arbitral awards and research for assets: is bankruptcy an optimal solution?
( International Journal of Arab Arbitration (IJJA) , 2017 , Article)The issuance of the arbitral awards is not the end of the arbitration process. The enforcement of the award is a very important stage. In this context, the ultimate goal is to find the defendant assets so that the enforcement ... -
Engaging Engineering Students in Active Learning and Critical Thinking through Class Debates
( Elsevier Ltd. , 2015 , Conference Paper)Within the program of engineering, typically there are courses that are heavily dependent on mathematics and derivations of fundamental concepts. A lot of active learning can be done in these classes by using the engineering ... -
Engaging with readers: Students’ metalinguistic understanding of the use of pronouns in building reader-writer relationships
( Elsevier , 2023 , Article)Students’ metalinguistic understanding of the written academic argument is important both to increase writer independence and inform writing instruction. This article draws on a study which investigated undergraduate ... -
Engendering a clinic: Lessons learned from a domestic violence clinical course in Qatar
( Bloomsbury Qatar Foundation Journals , 2013 , Article)Domestic violence, a serious problem around the world, remains a hidden concern among the Islamic Gulf States. Yet signs indicate the situation is changing. A team of American lawyers and professors, responding to student ... -
Engine oil based MoS2Casson nanofluid flow with ramped boundary conditions and thermal radiation through a channel
( Elsevier , 2022 , Article)The modern era is a time to have cost-effective and energy-efficient technology. This demand has made nanotechnology the most effective field. The focus of this article is to increase the efficiency of engine oil (EO). The ... -
Engineered Biomaterials to Enhance Stem Cell-Based Cardiac Tissue Engineering and Therapy
( Wiley , 2016 , Article)Cardiovascular disease is a leading cause of death worldwide. Since adult cardiac cells are limited in their proliferation, cardiac tissue with dead or damaged cardiac cells downstream of the occluded vessel does not ... -
Engineering A Fertilizing Draw Solution For Irrigation Using Forward Osmosis / Reverse Osmosis Hybrid System
(2019 , Master Thesis)Large volumes of fresh water are consumed in the human’s daily activities, producing large volumes of highly contaminated wastewater which exhibits a major environmental problem. Wastewater is treated using multiple ... -
Engineering and understanding of synergistic effects in the interfaces of rGO-CNTs/PtPd nanocomposite revealed fast electro-oxidation of methanol
( Elsevier B.V. , 2019 , Article)The developing human societies are being faced provoking energy crises due to higher demands of energy for increasing worldwide populations. The massive depletion of natural resources and global warming issues sound a laud ... -
Engineering and understanding of synergistic effects in the interfaces of rGO-CNTs/PtPd nanocomposite revealed fast electro-oxidation of methanol
( Elsevier , 2018 , Article)The developing human societies are being faced provoking energy crises due to higher demands of energy for increasing worldwide populations. The massive depletion of natural resources and global warming issues sound a laud ... -
Engineering at Subatomic Scale: Achieving Selective Catalytic Pathways via Tuning of the Oxidation States in Functionalized Single-Atom Quantum Catalysts
( Wiley-Blackwell , 2022 , Article)Regulating the catalytic pathways of single-atom sites in single atom catalysts (SACs) is an exciting debate at the moment, which has redirected the research towards understanding and modifying the single-atom catalytic ... -
Engineering economics: Literature review and recommendations for practitioners
(2013 , Conference Paper)The paper provides a review of the curriculum and pedagogy of engineering economics course, which is normally taken by engineering students of different disciplines. Literature reviews of studies and courses syllabuses on ... -
Engineering graphitic carbon nitride (g-C3N4) for catalytic reduction of CO2 to fuels and chemicals: strategy and mechanism
( Royal Society of Chemistry , 2021 , Article Review)The reduction of carbon dioxide to useful fuels/chemicals, such as methane, formic, and methanol, is an innovative way to address looming energy and environmental issues. Graphitic carbon nitride (g-C3N4), as a greener and ... -
Engineering instructors' professional agency development and identity renegotiation through engaging in pedagogical change towards PBL
( Taylor and Francis Ltd. , 2021 , Article)This qualitative longitudinal study explored three engineering instructors' professional agency in implementing project-based learning (PBL), including multiple sets of data (18 interviews, observations, and written ... -
Engineering of magnetically separable ZnFe2O4@ TiO2 nanofibers for dye-sensitized solar cells and removal of pollutant from water
( Elsevier , 2017 , Article)Abstract In this study, magnetic Zinc Ferrite (ZnFe2O4)@TiO2 nanofibers were prepared by low cost and nontoxic route; hydrothermal technique followed by electrospinning process. The prepared magnetic ZnFe2O4@TiO2 nanofibers ... -
Engineering of nickel based catalyst for direct urea fuel cell-energy from municipal liquid waste (Mlw)
( Nova Science Publishers, Inc. , 2019 , Book chapter)Alternatives to conventional fuels are required to meet the global energy demand, urea is a relatively non-toxic crystalline substance that is perhaps best known for its presence in municipal liquid waste (MLW) and ...