Temat: probability states - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Modeling of mixed traffic for mobile cellular network
Autorzy:: Islam, I.
Das, J. K.
Hossain, S.
Powiązania:: https://bibliotekanauki.pl/articles/307662.pdf
Data publikacji:: 2007
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: quality of service
Markovian chain
time and call congestion
probability states and voice data integrated network
Opis:: The most convenient way of presenting one- or two-dimensional offered traffic in a network by Markovian chain to evaluate quality of service (QoS). Pictorial presentation of chain becomes very complicated for three dimensional traffic case, required for voice data integrated service/mixed traffic of mobile cellular network; hence application of cut or node equations become a cumbersome job. This paper proposes a model of three-dimensional traffic in a network for both unlimited and limited user case. Here direct analytical method is introduced instead of Markovian chain to achieve traffic parameters.
Źródło:: Journal of Telecommunications and Information Technology; 2007, 1; 83-89
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Nonstationary analysis of the queueing network with bypass of systems of multi-type and absolute priority messages
Autorzy:: Matalytski, M.
Naumenko, V.
Powiązania:: https://bibliotekanauki.pl/articles/122976.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: multi-type messages bypass of systems
absolute priority
conditional probabilities of transitions
system of difference-differential equations
probability states
generating function
Opis:: This paper contains an investigation of an open exponential network with bypass of systems of multi-type messages with absolute priority in transient behavior. Messages with priority received by the node with the probability depending on the state system and the type of incoming messages are for service, forcing messages that are serviced or instant changes in the following system, and can leave the network. Network settings: the intensity of the incoming flow and the intensity of service of different types of messages in single-line systems and the conditional probabilities of transitions of messages between the systems are dependent on the time. We obtained a system difference-differential equations for the state probabilities of the network. To find the state probabilities of the network in the transitional behavior applied a methodology based on the use of the apparatus of multidimensional generating functions.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2013, 12, 1; 93-105
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Nonstationary analysis of a queueing network with positive and negative messages
Autorzy:: Matalytski, M.
Naumenko, V.
Powiązania:: https://bibliotekanauki.pl/articles/122613.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: information systems
telecommunications systems
information networks
telecommunications networks
virus
open G-network with negative messages
transient behavior
system of difference-differential equations
probability states
generating function
Opis:: This paper contains an investigation of an open queueing network with positive and negative messages that can be used to model the behavior of viruses in information and telecommunication systems and networks. The purpose of research is investigation of such a network at the transient behavior. We consider the case when the intensity of the incoming flow of positive and negative messages and service intensity of messages do not depend on time. It is assumed that all queueing systems of network are one-line. We obtained a system difference-differential equations for the state probabilities of the network. To find the state probabilities of the network in the transitional behavior applied a methodology based on the use of the apparatus of multidimensional generating functions. We obtained an expression for generating function. An example is calculated.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2013, 12, 2; 61-71
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Shock safety modeling method for low-voltage electric devices
Autorzy:: Korniluk, W.
Sajewicz, D.
Powiązania:: https://bibliotekanauki.pl/articles/141402.pdf
Data publikacji:: 2010
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: zarządzanie bezpieczeństwem
system ekspertowy
sieć bayesowska
prawdopodobieństwo całkowite
bezpieczeństwo porażeniowe
safety management process
expert system
Bayesian network
total probability
protection reliability states
appearance of touch and electric shock states
risk analysis and assessment
Opis:: The article describes a shock safety modeling method for low-voltage electric devices, based on using a Bayesian network. This method allows for taking into account all possible combinations of the reliability and unreliability states for the shock protection elements under concern. The developed method allows for investigating electric shock incidents, analysing and assessing shock risks, as well as for determining criteria of dimensioning shock protection means, also with respect to reliability of the particular shock protection elements. Dependencies for determining and analysing the probability of appearance of reliability states of protection as well as an electric shock risk are presented in the article.
Źródło:: Archives of Electrical Engineering; 2010, 59, 3-4; 153-167
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Shock safety modelling of indirect contact with low-voltage electric devices
Autorzy:: Korniluk, W.
Sajewicz, D.
Powiązania:: https://bibliotekanauki.pl/articles/141066.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: zarządzanie bezpieczeństwem
system ekspertowy
sieć bayesowska
prawdopodobieństwo całkowite
ochrona przeciwporażeniowa
porażenie prądem elektrycznym
safety management process
expert system
Bayesian network
total probability
protection reliability states
appearance of touch and electric shock states
risk analysis and assessment
Opis:: The article presents a shock safety model of an indirect contact with a low-voltage electric device. This model was used for computations and analyses concerning the following: the probabilities of appearance of the particular shock protection unreliability states, electric shock states (ventricular fibrillation), contributions of the unreliability of different shock protection elements to the probability of occurrence of these states, as well as the risk of electric shock (and the shock safety), and contributions of the intensity of occurrence of damages to different shock protection elements to this risk. An example of a possibility to reduce the risk of an electric shock through changing the intensity of occurrence of damages to the selected protection elements was provided.
Źródło:: Archives of Electrical Engineering; 2011, 60, 3; 303-315
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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