Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 55 for “"queueing theory"”.
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Application of queueing theory in bulk biotech manufacturing
… this effect, a method for creating an M/M/c queueing model that is specific for bulk biologic manufacturing processes was developed. The model was successfully validated by comparing the predicted results to the historical data for each of the five production shifts. A discussion of how to …
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Strong convergence to diffusion processes with application to queueing theory
… of such diffusions. In the first case we give a queueing application and in the latter case we provide the transition distribution of the sticky Brownian motion along with its local variations at zero and a law of the iterated logarithm.
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How Complexity Drives Long Lead Times: A Queueing Theory Space Industry Application
… Using the method proposed by Factory Physics and queueing theory, this thesis demonstrates via case studies and a queueing simulation that high variability drives long wait times leading to the long lead times experienced in job shop operations.
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Dynamic vehicle routing for robotic networks
… technical approach, which we call algorithmic queueing theory and which relies upon methods from queueing theory, combinatorial optimization, and stochastic geometry. Algorithmic queueing theory consists of three basics steps: 1) queueing model of the DVR problem and analysis of its structure; …
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Identifying and analyzing sources of overhead in the TCP/IP communication protocol over a local area network
… using TCP/IP is identified based on queueing theory and empirical measurements.
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Analysis of computer communication systems by use of digital signal processing methods
Queueing theory is an effective tool in the analysis of canputer camrunication systems. Many results in queueing analysis have teen derived in the form of Laplace and z-transform expressions. Accurate inversion of these transforms is very important in the study of computer systems, but the …
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Delay analysis of satellite packet broadcasting systems: a queueing theoretic approach
… packet switching networks, using results from queueing theory that have been previously explored in modeling communication networks. This thesis also analyzes message queueing delay when users of the network are generating data at moderate to high rates. Average packet delay and average number …
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Improving access through stochastic modeling in Veterans Affairs Mental Health Services
… in a network of mental health programs. Based on queueing theory, including blocking and reneging, different operations management strategies are compared using this discrete event simulation tool. To simulate wait times, users input arrival rates, service times, patience, probabilities of …
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Performance modelling of call centers
… facts put current computational models of queueing theory, optimal queueing control.With knowledge of probability theory, input and output models, and birth and death cycles,one may derive a variety of different queuing models, including but not limited to the ones described in this …
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Modelo para la mejora del servicio de atención al cliente mediante la teoría de colas: caso de estudio de una agencia bancaria
… research purposes, we modeled a system, based on queueing theory, in Arena software (16.1 Student Version) to identify possible improvements to customer service. The waiting line simulation considered resources, waiting times, time between arrivals, and entities involved. We gathered data using an …
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Patient Flow Management in Emergency Departments
… patient flow in an emergency department from a queueing theory perspective. Problem: In emergency departments, the physicians must choose between catering to patients right after triage, who are yet to be checked, and those that are work-in-process (WIP), who are occasionally returning to be …
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Design and implementation of flexible manufacturing systems: some analysis concepts
… the FMS is developed and presented by imbedding queueing theory with simulation in a decision analysis framework.
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Architectural support for massively-concurrent parallel computing
… cost. Within the framework of Little's law from queueing theory, we analyze conventional RISC superscalar processors as a case study of the inadequacy of the class of "ILP" processors. We contrast this to multithreaded processors that exploit both ILP and Thread-Level Parallelism (TLP). As a …
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Queueing System Analysis in Oil and Gas Abandonment Operations
… process is further characterized as a queueing system and a queueing network model is developed. The study introduces four job prioritization classes to explore the impact of prioritization and priority queues on the defined system performance metrics. Due to the complexity of the …
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Principled Approaches for Latency Reduction in Networking Systems
… a stochastic scheduling framework that leverages queueing theory to optimize task placement in datacenter environments. By employing randomized algorithms and considering both network and compute constraints, Nona demonstrates multiple orders of magnitude improvements in job completion times while …
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Stochastic Modeling of Gene Expression and Post-transcriptional Regulation
… By mapping the system to models analyzed in queueing theory, we derive analytical expressions for the noise in steady-state protein distributions. Furthermore, given that the underlying processes are intrinsically stochastic, cellular regulation must be designed to control the`noise' in order …
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General queueing networks with priorities. Maximum entropy analysis of general queueing network models with priority preemptive resume or head-of-line and non-priority based service disciplines.
… compatible with exact product form solutions of queueing network models (QNM's). It is therefore, necessary to employ credible approximate techniques for solving QNM's with priority classes. The principle of maximum entropy (ME) is a method of inference for estimating a probability distribution …
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Information-theoretic analysis of human-machine mixed systems
… work into account. We model the workload using queueing theory and characterize Shannon's information capacity for single-user and multiuser systems. We also investigate social learning as sequential binary hypothesis testing. We find somewhat counterintuitively that unlike basic binary …
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Multiaccess and fading in communication networks
… We apply fundamental techniques in information theory and queueing theory to gain insights into the structure of these problems. In a terrestrial cellular or space network, multi-user interference arises naturally as different users in the same cell or region attempt to transmit to the base …
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