Qatar University Institutional Repository: Recent submissions
Now showing items 721-740 of 30861
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A novel Adaptive Neural Network-Based Laplacian of Gaussian (AnLoG) classification algorithm for detecting diabetic retinopathy with colour retinal fundus images
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Diabetic retinopathy (DR) is a human eye disease in which the eye's retina is damaged in diabetics. Diabetic retinopathy can be diagnosed by manually interpreting retinal fundus images, even though that takes longer to ... -
Opto-mechanical studies of PVA-capped ZnSe and CdSe nanoparticles for optoelectronic applications
( Springer , 2024 , Article)Polymer vinyl alcohol (PVA)-capped ZnSe and CdSe nanocomposite films were synthesized via a chemical route. X-ray diffraction (XRD) was used for the structural characterization of the samples. XRD revealed the cubic and ... -
ANN-optimized NR-SHE method for single-sourced, multi-configurable switched capacitor-based multilevel inverter for sustainable power applications
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Multilevel inverters (MLIs) are widely preferred in sustainable power applications for their ability to deliver efficient output with low total harmonic distortion (THD) while minimizing the use of power semiconductor ... -
Sociodemographic characteristics and vaping motives as potential correlates of early vaping initiation
( Frontiers Media , 2024 , Article)Background: Vaping’s popularity has particularly increased among young people, with its prevalence varying across different regions, including the Middle East. The health impacts of vaping, especially when initiated early, ... -
An extensive review of preparation, stabilization, and application of single and hybrid nanofluids
( Springer Science and Business Media B.V. , 2024 , Article)The researchers attract nanofluids due to their improved thermal and physical properties compared to the base fluid. The colloidal mixture of nanometre-sized particles with conventional fluid is known as nanofluids. Compared ... -
A comprehensive review on eutectic phase change materials: Development, thermophysical properties, thermal stability, reliability, and applications
( Elsevier , 2025 , Article Review)Phase change materials (PCMs) are important constituents for the storage of thermal energy available from the sun. It acts as a bridge between energy demand and supply while reducing the mismatch. Organic and inorganic ... -
MoS2 quantum dots and their diverse sensing applications
( Springer Nature , 2024 , Article Review)Molybdenum disulfide (MoS2) quantum dots (QDs) are a type of nanomaterial with unique electronic and optical properties. This abstract explores how these dots are made and what they look like, and how they can be used in ... -
Nanoparticles in cancer theragnostic and drug delivery: A comprehensive review
( Elsevier , 2024 , Article Review)This comprehensive review provides an in-depth analysis of how nanotechnology has revolutionized cancer theragnostic, which combines diagnostic and therapeutic methods to customize cancer treatment. The study examines the ... -
A Decade of Discovery of Huntington's Disease Biomarkers: A Comprehensive Review of its Established and Emerging Bi-omarkers
( preprints , 2024 , Article Review)Neurodegenerative disorders (NDs) lead to progressive neuronal loss in various brain regions and are a significant public health concern, with NDs expected to become the second-leading cause of death globally within the ... -
Adaptive cruise control system with fractional order ANFIS PD+I controller: optimization and validation
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Designing the control structures of fractional order PID controllers has proven to be effective in providing adaptability in set point tracing the performance of a nonlinear cruise control system. Wheel rolling resistance, ... -
An Experimental Analysis of Precipitated Silica in Petroleum-Contaminated Clay for the Strengthening of Soil Characteristics
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)In recent times, the environmental impacts of petroleum-contaminated clay (PC clay) have intensified, leading to more severe detrimental effects. To address this issue, the use of precipitated silica (P silica) has proven ... -
Energy-aware cooperative content distribution over wireless networks: Design alternatives and implementation aspects
( IEEE , 2013 , Article)This paper presents a comprehensive overview on the area of energy-aware common content distribution over wireless networks with mobile-to-mobile cooperation. It is assumed that a number of mobile terminals (MTs) that are ... -
Resource Allocation in Uplink OFDMA Wireless Systems: Optimal Solutions and Practical Implementations
( John Wiley and Sons , 2012 , Book)Tackling problems from the least complicated to the most, Resource Allocation in Uplink OFDMA Wireless Systems provides readers with a comprehensive look at resource allocation and scheduling techniques (for both single ... -
A survey on uplink resource allocation in OFDMA wireless networks
( IEEE , 2012 , Article Review)OFDMA has been selected as the multiple access scheme for state-of-the-art wireless communication systems. Efficient resource allocation in OFDMA wireless networks is essential in order to meet the quality of service ... -
A Nash bargaining solution for energy-efficient content distribution over wireless networks with mobile-to-mobile cooperation
( IEEE , 2011 , Conference)A game theoretical formulation for energy minimization in mobile-to-mobile cooperative networks is provided. The problem is formulated as a Nash bargaining game, and the Nash bargaining solution is derived. Furthermore, a ... -
A channel-aware reservation protocol for cooperative content distribution over OFDMA networks
( IEEE , 2011 , Conference)In this paper, a channel aware resource reservation protocol for content distribution in an OFDMA wireless network with mobile-to-mobile cooperation is presented. The proposed approach consists of a reservation phase and ... -
A cooperative multihop approach for energy efficient wireless content distribution
( VDE VERLAG GMBH , 2012 , Conference)Cooperative content distribution for the purpose of energy minimization is investigated in the framework of multihop wireless networks. Mobile terminals cooperate to receive content of common interest from the base station ... -
An OFDMA communication protocol for wireless sensor networks used for leakage detection in underground water infrastructures
( IEEE , 2011 , Conference)In this paper, an application of wireless sensor networks for leakage detection in underground water pipes is considered. A mobile sensor immersed in the water pipe is assumed to communicate with relay nodes on the ground ... -
Enhancing the performance of OFDMA underlay cognitive radio networks via secondary pattern nulling and primary beam steering
( IEEE , 2011 , Conference)Cognitive radio networks are receiving a lot of research attention lately. Most user equipment in state-of-the-art wireless communication systems are equipped with two antennas. In this paper, we take advantage of the two ... -
Novel time-frequency reservation Aloha scheme for OFDMA systems
( IEEE , 2011 , Conference)A novel reservation Aloha scheme is presented for OFDMA systems. The proposed scheme is based on two dimensional reservation in time and frequency. The proposed approach is compared to other OFDMA extensions of reservation ...
