Browsing Faculty of Engineering by Title
Now showing items 1901-1920 of 3118
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On the performance of multi-hop free space optical cooperative systems
(IEEE, 2018)In this paper, we investigate the performance analysis of multi-hop free space optical (FSO) systems over Double Generalized Gamma (DGG) turbulence fading with pointing error impairments assuming both heterodyne detection ... -
On the performance of NCC-OFDMA systems in the presence of carrier frequency offset
(IEEE, 2017)Network coded cooperative (NCC) systems have recently gained increasing attention due to their high power and spectral efficiency. For high speed data transmission over frequency-selective channels, NCC is further combined ... -
On the performance of SC-FDE schemes with decision feedback equalizer for visible light communications
(IEEE, 2015)In this paper, we investigate the two single carrier frequency domain equalization (SC-FDE) techniques, namely on-off keying single carrier frequency domain equalization (OOK-SC-FDE) and decomposed quadrature optical ... -
On the stability of solitary wave solutions for a generalized fractional Benjamin–Bona–Mahony equation
(IOP Publishing, 2022-03-03)In this paper we establish a rigorous spectral stability analysis for solitary waves associated to a generalized fractional Benjamin-Bona-Mahony type equation. Besides the well known smooth and positive solitary wave with ... -
On the strain rate sensitivity of a TRIP assisted high entropy alloy
(Elsevier, 2023-02-15)In the present work, the strain rate sensitivity is investigated in a novel high entropy alloy with transformation-induced plasticity (TRIP) effect. Herein, it is aimed to reflect the effect of phase constitution on the ... -
On the use of evolutionary coupling for software architecture recovery
(IEEE, 2021)Software architecture documentation can be partially obtained automatically by means of software architecture recovery tools. These tools mainly cluster software modules to provide a high level structural organization of ... -
On the use of machine learning for predicting defect fix time violations
(Science and Technology Publications, 2022)Accurate prediction of defect fix time is important for estimating and coordinating software maintenance efforts. Likewise, it is useful to predict whether or not the initially estimated defect fix time will be exceeded ... -
On the volume of the shrinking branching Brownian sausage
(The Institute of Mathematical Statistics and the Bernoulli Society, 2020)The branching Brownian sausage in R-d was defined in [4] similarly to the classical Wiener sausage, as the random subset of R-d scooped out by moving balls of fixed radius with centers following the trajectories of the ... -
On throughput-delay optimal access to storage clouds via load adaptive coding and chunking
(IEEE, 2016-08)Recent literature including our past work provides analysis and solutions for using: 1) erasure coding; 2) parallelism; or 3) variable slicing/chunking (i.e., dividing an object of a specific size into a variable number ... -
On weak feller continuity properties of non-linear filters
(IEEE, 2019)Weak Feller property of controlled and control free Markov chains leads to many desirable properties. In control-free setups this leads to the existence of invariant probability measures for compact spaces and applicability ... -
On ‘‘Radiative transfer in three-dimensional rectangular enclosures containing inhomogeneous,anisotropically scattering media’’
(Elsevier, 2010-07)Our 1985 paper (JQSRT 1985; 33: 533–549) reported the result of the research we conducted back then to better understand heat transfer processes in large-scale combustion chambers, especially in pulverized coal-fired ... -
The one-warehouse multiretailer problem with an order-up-to level inventory policy
(Wiley, 2010-10)We consider a two-level system in which a warehouse manages the inventories of multiple retailers. Each retailer employs an order-up-to level inventory policy over T periods and faces an external demand which is dynamic ... -
Online association rule mining over fast data
(IEEE, 2013)To extract useful and actionable information in real-time, the information technology (IT) world is coping with big data problems today. In this paper, we present implementation details and performance results of ReCEPtor, ... -
Online real-time simulation of vehicles
(IEEE, 2020-09)Real-time simulation of a vehicle accessible as a server process on a network is needed in multiple use cases. One such use case is coordinated driving. Coordinated driving will eventually require us to control vehicles ... -
Operation altitude optimization of solar-powered rotary-wing UAVs for FSO backhauling
(IEEE, 2023)Free space optical communication (FSO) has emerged as an alternative backhauling technology. It provides a line-of-sight (LOS) link with a capacity comparable to fiber optics and much higher than those that can be supported ... -
Operations research approaches for improving coordination, cooperation, and collaboration in humanitarian relief chains: A framework and literature review
(Elsevier, 2023)Given the considerable number of actors in the humanitarian space, coordination is essential for successful disaster response. Furthermore, the sheer size of challenges and limited resources increasingly highlight the need ... -
Optical and radiative properties of individual and hybrid nanosuspensions: The effects of similar and dissimilar particle agglomerates on thermal radiation
(Yildiz Technical University, 2021-02)Nanosuspensions are proposed for use in improving the thermal efficiency of different thermal systems; including solar thermal power plants. Because of their excellent and unique thermo-optical properties, which are the ... -
Optical and thermal analysis of secondary optics in light emitting diodes' packaging: Analysis of MR16 lamp
(IOP Publishing, 2021-12-08)Optical and thermal control are two main factors in package design process of lighting products, specifically light emitting diodes (LEDs). This research is aimed to study the role of secondary optics in opto-thermal ... -
Optical fiber array based simultaneous parallel monitoring of resonant cantilever sensors in liquid
(Elsevier, 2016-05-01)This paper reports a novel method for simultaneous resonance monitoring of MEMS cantilevers using phase based dynamic measurements without any electrical connections to the sensor array. MEMS cantilevers are made of ... -
Optical MIMO-OFDM with generalized LED index modulation
(IEEE, 2017-08)Visible light communications (VLC) is a promising and uncharted new technology for the next generation of wireless communication systems. This paper proposes a novel generalized light emitting diode (LED) index modulation ...
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