Search Results

Call Admission Control Scheme for Arbitrary Traffic Distribution in CDMA Cellular Systems

Description: This presentation discusses call admission control (CAC). The authors define a set of feasible call configurations that results in a CAC algorithm that captures the effect of having an arbitrary traffic distribution and whose complexity scales linearly with the number of cells.
Date: September 2000
Creator: Akl, Robert G.; Hegde, Manju V.; Naraghi-Pour, Mort & Min, Paul S.
Partner: UNT College of Engineering
open access

Can a simple topological-constraints-based model predict the initial dissolution rate of borosilicate and aluminosilicate glasses?

Description: This article, as an alternative route to empirical models, shows that a structural descriptor based on the number of topological constraints per atom can be used to predict the initial dissolution rate of aluminosilicate and borosilicate glasses after being parameterized on different families of glasses (specific series of borosilicate glasses). Results show that, provided that corrections are made for high alkali content glasses that dissolve incongruently (preferential release of Na), the mod… more
Date: March 16, 2020
Creator: Gin, Stéphane; Wang, Mengyi; Bisbrouck, Nicolas; Taron, Mélanie; Lu, Xiaonan; Deng, Lu et al.
Partner: UNT College of Engineering
open access

I Cannot See You—The Perspectives of Deaf Students to Online Learning during COVID-19 Pandemic: Saudi Arabia Case Study

Description: This article investigates the e-learning experiences of deaf students, focusing on the college of the Technical and Vocational Training Corporation (TVTC) in the Kingdom of Saudi Arabia (KSA). Particularly, it studies the challenges and concerns faced by deaf students during the sudden shift to online learning. Results report problems with internet access, inadequate support, and inaccessibility of content from learning systems, among other issues. The authors argue that institutions should con… more
Date: November 5, 2021
Creator: Aljedaani, Wajdi; Aljedaani, Mona; AlOmar, Eman Abdullah; Mkaouer, Mohamed Wiem; Ludi, Stephanie & Khalaf, Yousef Bani
Partner: UNT College of Engineering
open access

Carbon Capture Utilization for Biopolymer Foam Manufacture: Thermal, Mechanical and Acoustic Performance of PCL/PHBV CO2 Foams

Description: This article uses PCL to blend into PBHV. Both unfoamed and foamed blends are examined. The results provide a pathway to multifunctional performance in foams of high performance biopolymers such as PBHV through harnessing the CO₂ miscibility of PCL.
Date: July 31, 2021
Creator: Oluwabunmi, Kayode E.; Zhao, Weihuan & D'Souza, Nandika Anne, 1967-
Partner: UNT College of Engineering
open access

Carbon Nanomaterials for Optical Absorber Applications

Description: Article describing optical absorbers based on vertically aligned multi-walled carbon nanotubes (MWCNTs), synthesized using electric-field assisted growth that show an ultra-low reflectance, 100X lower compared to the benchmark, a diffuse metal black - Au-black - from wavelength λ ~ 350 nm – 2500 nm.
Date: December 28, 2011
Creator: Kaul, Anupama; Coles, James; Megerian, Krikor; Eastwood, Michael; Green, Robert; Pagano, Thomas et al.
Partner: UNT College of Engineering
open access

Carrier photodynamics in 2D perovskites with solution-processed silver and graphene contacts for bendable optoelectronics

Description: Article reporting on the inkjet printed, direct contact study of solution-processed, 2D perovskite-based photodetectors (PDs) formed on flexible PI substrates. Silver (Ag) and graphene (Gr) inks have been engineered to serve as efficient electrical contacts for solution-processed two-dimensional (2D) organo-halide (CH3(CH2)3NH3)2(CH3NH3)n−1PbnI3n+1 (n = 4) layered perovskites, where all inkjet-printed heterostructure PDs were fabricated on polyimide (PI) substrates.
Date: March 25, 2021
Creator: Hossain, Ridwan F.; Min, Misook; Ma, Liang-Chieh; Sakri, Shambhavi R. & Kaul, Anupama
Partner: UNT College of Engineering

CDMA Network Design

Description: This presentation gives an overview of code-division multiple access (CDMA) and inter-cell effects, network capacities, sensitivity analysis of base station locations, pilot-signal power, and transmission power of the mobiles, and concludes with numerical results.
Date: May 2002
Creator: Akl, Robert G.
Partner: UNT College of Engineering

Cell Placement in a CDMA Network

Description: This presentation discusses research on cell placement in a CDMA network. In order to enable iterative cell placement the authors use a computationally efficient iterative process to calculate the inter-cell and intra-cell interferences as a function of pilot-signal power and base station location.
Date: September 1999
Creator: Akl, Robert G.; Hegde, Manju V.; Naraghi-Pour, Mort & Min, Paul S.
Partner: UNT College of Engineering
open access

Centimeter Scale Patterned Growth of Vertically Stacked Few Layer Only 2D MoS₂/WS₂ van der Waals Heterostructure

Description: This article reports the chemical vapor deposition (CVD) growth of large-area (>2 cm²) patterned 2D vdW heterostructures composed of few layer, vertically-stacked molybdenum disulfide and tungsten disulfide.
Date: May 5, 2016
Creator: Choudhary, Nitin; Park, Juhong; Hwang, Jun Yeon; Chung, Hee-Suk; Dumas, Kenneth H.; Khondaker, Saiful I. et al.
Partner: UNT College of Engineering
open access

Characterization of Soft Tooling Photopolymers and Processes for Micromixing Devices with Variable Cross-Section

Description: Article characterizing an assortment of photopolymers and stereolithography processes to produce 3D-printed molds and polydimethylsiloxane (PDMS) castings of micromixing devices. The study shows that 3D-printed soft tooling can provide other benefits such as multiple cross-sections and other potential layouts on a single mold.
Date: October 29, 2020
Creator: Martínez-López, J. Israel; Cervantes, Héctor Andrés Betancourt; Iturbe, Luis Donaldo Cuevas; Vázquez, Elisa; Naula, Edisson A.; Martínez López, Alejandro et al.
Partner: UNT College of Engineering
open access

Characterize traction–separation relation and interfacial imperfections by data-driven machine learning models

Description: This article combines machine learning (ML), finite element analysis (FEA), and empirical experiments to develop data-driven models that characterize interfacial mechanical properties precisely. It also provides a code package containing trained ML models, allowing other researchers to establish T–S relations for different material interfaces.
Date: July 12, 2021
Creator: Ferdousi, Sanjida; Chen, Qiyi; Soltani, Mehrzad; Zhu, Jiadeng; Cao, Pengfei; Choi, Wonbong et al.
Partner: UNT College of Engineering
open access

Characterizing Humour: An Exploration of Features in Humorous Texts

Description: This paper investigates the problem of automatic humor recognition, and provides an in-depth analysis of two of the most frequently observed features of humorous text: human-centeredness and negative polarity. Through experiments performed on two collections of humorous texts, the authors show that these properties of verbal humor are consisted across different data sets.
Date: February 2007
Creator: Mihalcea, Rada, 1974- & Pulman, Stephen
Partner: UNT College of Engineering
open access

Characterizing recent and projecting future potential patterns of mountain pine beetle outbreaks in the Southern Rocky Mountains

Description: This article aims to quantify the landscape-level drivers that explain the dynamic patterns of mountain pine beetle (MPB) mortality, and simulate areas with future potential MPB mortality under projected climate-change scenarios in Grand County, Colorado, USA.
Date: September 29, 2014
Creator: Liang, Lu; Hawbaker, Todd J.; Chen, Yanlei; Zhu, Zhiliang & Gong, Peng
Partner: UNT College of Engineering
open access

Chemical exfoliation efficacy of semiconducting WS2 and its use in an additively manufactured heterostructure graphene–WS2–graphene photodiode

Description: Article describes an experiment where various chemical exfoliation routes for semiconducting two-dimensional (2D) layered material WS2 were explored, including magnetic stirring (MS), shear mixing (SM), and horn-tip (HT) sonication.
Date: August 6, 2019
Creator: Desai, Jay A.; Adhikari, Nirmal & Kaul, Anupama
Partner: UNT College of Engineering
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