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السجلات المعروضة 1357 -- 1376 من 48200
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A Stochastic Geometric Analysis of Device-to-Device Communications Operating over Generalized Fading Channels
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Device-to-device (D2D) communications are now considered an integral part of future 5G networks, which will enable direct communication between user equipments and achieve higher throughputs than conventional cellular ... -
A Strategic Design Approach for Implementing Rainwater Management System Using an Integration of GIS and BIM Tool
( Qatar University Press , 2023 , Conference Paper)An increase in urbanization and uncontrolled development has resulted in a water stress situation, which necessitates the exploration of alternate water sources. Rainwater has proven to be a prominent alternate water source ... -
A Strategy for Emergency Vehicle Preemption and Route Selection
( Springer Verlag , 2019 , Article)Emergency vehicle preemption (EVP) aims to give right of way to emergency vehicles (EV) heading toward the incident location through a network of signalized intersections by creating a green wave en-route. The design goals ... -
A strongly secure certificateless digital signature scheme in the random oracle model
( Femto Technique Co., Ltd. , 2016 , Article)The main purpose of this paper is to provide a security proof for the certificateless digital signature scheme found in [Hassouna, Bashier, and Barry, A short certificateless digital signature scheme, International Conference ... -
A structural analysis of the enablers of u-commerce proliferation in a developing economy
( Emerald Group Publishing Ltd. , 2016 , Article)Purpose: U-commerce is an emerging paradigm transcending traditional e-commerce boundaries. The purpose of this paper is to highlight those issues that deserve attention in developing successful u-commerce models. ... -
A Structural Equation Model of Perceived University Image In Qatar: Student Perspective
( Qatar University Press , 2020 , Poster)The aim of this research is to examine the factors that influence student perceptions of the image of Qatar's national university, Qatar University. The study builds on relevant scholarship on perceptions of organizational ... -
A Structural Equation Modeling Approach to Understanding the Causes of Psychological Distress during the Covid-19 Pandemic in Qatar
( Science Research Society , 2021 , Article)Purpose - The purpose of this study is to determine how blended learning, teleworking challenges, knowledge, strategic responses in crisis situations, perceived seriousness, peoples' adherence to Covid-19 preventative ... -
A structural overview on transformer and transformer-less multi level inverters for renewable energy applications
( Elsevier Ltd , 2022 , Article Review)In general, multilevel inverters (MLIs) are regarded as advanced power conversion systems required for medium-voltage and high-power applications. The purpose of this article is to provide an overview of recently investigated ... -
A strut and tie model for FRCM-strengthened reinforced concrete deep beams
( ISEC Press , 2019 , Conference Paper)Exiting literature revealed that fabric reinforced cementitious matrix (FRCM) is a promising material for the strengthening of shear deficient reinforced concrete (RC) beams. However, most of the available experimental ... -
A study comparing conventional heating and microwave assistance heating to recover metals from Municipal Solid Waste using microwave-assisted leaching technique
( Qatar University Press , 2020 , Poster)This study investigates and compares microwave heating radiation with conventional heating. Incinerated Municipal Solid Waste (IMSW) bottom ash (BA) and fly ash (FA) was utilized to to recover various metals including Co, ... -
A study of children emotion and their performance while handwriting Arabic characters using a haptic device
( Springer , 2022 , Article)Emotion and focus of children during handwriting are essential for language learning. Handwriting for young children is challenging because it needs deep motivation and willingness to complete the task regardless of its ... -
A Study of Children Engagement and Focus During Handwriting in VR with a Haptic Device
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Engagement and focus of children during the handwriting process are essential factors for language learning and concepts acquisition. Handwriting for young children is challenging because it needs large motivation, great ... -
A study of inhibitors to transparency in red meat supply chains in Gulf cooperation council (GCC) countries
( Emerald Group Holdings Ltd. , 2015 , Article)Purpose - The purpose of this paper is to investigate the variables for the non-existence of transparency information in red meat supply chains operating in Gulf cooperation council (GCC) countries. The study provides a ... -
A study of low-temperature CO oxidation over mesoporous Cuo-TiO2 nanotube catalysts
( MDPI AG , 2017 , Article)Supported copper oxide nanoparticles have attracted considerable attention as active and non-precious catalysts for many catalytic oxidation reactions. Herein, mesoporous xCuO-TiO2 nanotube catalysts were fabricated, and ... -
A Study of Multihop mmW Aerial Backhaul Links
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)The main contribution of this paper is to analyze a long networked flying platform (NFP)-based millimeter wave (mmWave) backhaul link that is offered as a cost effective and easy to deploy solution to connect a disaster ... -
A study of the effects of preprocessing strategies on sentiment analysis for Arabic text
( SAGE Publications Ltd , 2014 , Article)Sentiment analysis has drawn considerable interest among researchers owing to the realization of its fascinating commercial and business benefits. This paper deals with sentiment analysis in Arabic text from three perspectives. ... -
A study on evaluating the readiness level for Qatar companie to adopt industy 4.0
(2021 , Master Thesis)In today's competitive environment, it is obligatory to maintain all business activities in all situations, even under crisis. The recent example of COVID-19, which forced most of the business entities to reduce manpower ... -
A study on stability of active layer of polymer solar cells: effect of UV–visible light with different conditions
( Springer Verlag , 2019 , Article)The objective of this study is to investigate the stability of the active layer of polymer solar cells from the effect of UV–visible light irradiation using different conditions with respect to time. The active layers were ... -
A study on the bond behavior of different FRCM systems
( EDP Sciences , 2018 , Conference Paper)Fabric-reinforced cementitous matrix (FRCM) composites are usually applied on the concrete surface for the purpose of strengthening reinforced concrete structures. However, the efficiency of FRCM strengthening is notably ... -
A Study on the Default Supplemental Adjustment Factors of Progression Adjustment Factor Formula under Non-Lane Based Traffic Condition
( Qatar Univesrity Press , 2020 , Conference Paper)A mathematical expression of supplemental adjustment factor (fPA) has provided a way to estimate Progression Adjustment Factor (P.F.) more accurately as the P.F. relies on the fPA value. The mathematical formula of fPA ...
