Results 21 to 30 of about 178,062 (266)

Performance models for Noahnet

open access: yesACM SIGCOMM Computer Communication Review, 1988
Noahnet is an experimental flood local area network with features such as high reliability and high performance. Noahnet uses a randomly connected graph topology with four to five interconnections per node and a flooding protocol to route messages. The purpose of this paper is to present two analytical performance models which we
Parulkar, Gurudatta M.   +2 more
openaire   +3 more sources

Performance Modeling of Epidemic Routing [PDF]

open access: yesComputer Networks, 2006
In this paper, we develop a rigorous, unified framework based on ordinary differential equations (ODEs) to study epidemic routing and its variations. These ODEs can be derived as limits of Markovian models under a natural scaling as the number of nodes increases.
Xiaolan Zhang 0003   +3 more
openaire   +5 more sources

A DEVELOPMENT METHODOLOGY FOR CYBER-PHYSICAL SYSTEMS BASED ON DETERMINISTIC THEATRE WITH HYBRID ACTORS

open access: yesTASK Quarterly, 2021
The goal of the work described in this paper is to propose a development approach for cyber-physical systems (CPS) which relies on actors as the fundamental modelling blocks.
FRANCO CICIRELLI, LIBERO NIGRO
doaj   +1 more source

Modeling the Energy Performance of LoRaWAN [PDF]

open access: yesSensors, 2017
LoRaWAN is a flagship Low-Power Wide Area Network (LPWAN) technology that has highly attracted much attention from the community in recent years. Many LoRaWAN end-devices, such as sensors or actuators, are expected not to be powered by the electricity grid; therefore, it is crucial to investigate the energy consumption of LoRaWAN.
Lluís Casals   +3 more
openaire   +5 more sources

Improving Clustering Accuracy of K-Means and Random Swap by an Evolutionary Technique Based on Careful Seeding

open access: yesAlgorithms, 2023
K-Means is a “de facto” standard clustering algorithm due to its simplicity and efficiency. K-Means, though, strongly depends on the initialization of the centroids (seeding method) and often gets stuck in a local sub-optimal solution.
Libero Nigro, Franco Cicirelli
doaj   +1 more source

Using SWE Standards for Ubiquitous Environmental Sensing: A Performance Analysis

open access: yesSensors, 2012
Although smartphone applications represent the most typical data consumer tool from the citizen perspective in environmental applications, they can also be used for in-situ data collection and production in varied scenarios, such as geological sciences ...
Joaquín Huerta   +2 more
doaj   +1 more source

Optimal control of thermal and mechanical loads in activation processes of mechanical components

open access: yesApplied Mathematics in Science and Engineering
This paper develops a mathematical framework that aims to control the temperature and rotational speed in the activation process of a gas turbine in an optimal way.
Nicolai Friedlich   +2 more
doaj   +1 more source

A New Sixth-Order Finite Difference Compact Reconstruction Unequal-Sized WENO Scheme for Nonlinear Degenerate Parabolic Equations

open access: yesJournal of Mathematics, 2022
In this paper, a new sixth-order finite difference compact reconstruction unequal-sized weighted essentially nonoscillatory (CRUS-WENO) scheme is designed for solving the nonlinear degenerate parabolic equations on structured meshes.
Liang Li, Yan Zhang, Jun Zhu
doaj   +1 more source

Performance Modeling

open access: yes, 2010
The goal of performance modeling is to gain understanding of a computer systems performance on various applications, by means of measurement and analysis, and then to encapsulate these characteristics in a compact formula. The resulting model can be used to gain greater understanding of the performance phenomena involved and to project performance to ...
Bailey, David H   +2 more
openaire   +3 more sources

Customized Woven Carbon Fiber Electrodes for Bioelectrochemical Systems—A Study of Structural Parameters

open access: yesFrontiers in Chemical Engineering, 2022
Commercial carbon fiber (CF) fabrics are popular electrode materials for bioelectrochemical systems (BES), but are usually not optimized for the specific application.
Liesa Pötschke   +10 more
doaj   +1 more source

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