Autor: Rados, I. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Availability analysis and comparison of different WDM systems
Autorzy:: Rados, I.
Powiązania:: https://bibliotekanauki.pl/articles/308769.pdf
Data publikacji:: 2007
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: WDM
wavelength channel
availability
protection
Opis:: We begin reasons why high system availability is important. Furthermore, the basic terms are introduced pertaining to the availability with particular review of the parallel structure. Then the availability of different wavelength division multiplexing (WDM) systems is analysed: point to point, chain and ring with 1+1 protection of the wavelength channel, plus the influence of availability of nodes and links on the total system availability. The data on failure intensity and mean time to repair of certain components were taken from various literature sources. We assumed in the analysis a WDM system with 16 wavelengths and 2.5 Gbit/s capacity per wavelength channel. Finally, results of calculation and comparisons of availability of different WDM systems and proposals for improvement of their availability are presented.
Źródło:: Journal of Telecommunications and Information Technology; 2007, 2; 114-119
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:: Influence of common path on availability of ring network
Autorzy:: Rados, I.
Powiązania:: https://bibliotekanauki.pl/articles/308932.pdf
Data publikacji:: 2004
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: availability
failure rate
protection
ring networks
SDH networks
Opis:: This paper analyses availability of the ring network which uses the path protection switching (sub-network connection protection - SNCP). Influence of the common path on the ring network availability is analyzed. Data regarding failures of optical fibre cables and equipment used for calculations have been obtained during years-long observation of SDH network in HT Mostar as well as from manufacturers.
Źródło:: Journal of Telecommunications and Information Technology; 2004, 3; 71-75
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Availability Analysis of Different PON Models
Autorzy:: Radoš, K.
Radoš, I.
Powiązania:: https://bibliotekanauki.pl/articles/308610.pdf
Data publikacji:: 2017
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: availability
failure
Passive Optical Network
protection ﬁber
Opis:: Due to the increasing demands of individual users, Passive Optical Networks (PON) are a promising technology for future broadband access networks. Reliable access to network services is a very important feature, so the availability of the connection is becoming one of the most important requirements. Failure of the optical ﬁber occurring between the Optical Line Terminal (OLT) and the passive optical splitter can cause the services becoming unavailable for a large number of users, so it is necessary to prevent such an occurrence by providing backup resources – in this case a spare optical ﬁber. When constructing the spare path (protection ﬁber), it is important to keep in mind that, if possible, the working and the spare ﬁber should not be positioned within the same cable. Failure of the optical ﬁber between the passive splitter and the individual user also means a loss of service for that user. In that case, protection may be offered by adding spare ﬁbers. The question is, however, whether such a solution is cost-effective, as it would lead to a signiﬁcant cost increase in the construction of the access network. This paper presents the availability analysis conducted for different PON models.
Źródło:: Journal of Telecommunications and Information Technology; 2017, 4; 47-53
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Availability of WDM Multi Ring Networks
Autorzy:: Rados, I.
Rados, K.
Powiązania:: https://bibliotekanauki.pl/articles/309294.pdf
Data publikacji:: 2015
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: algebraic
availability
multiple
WDM
Opis:: This paper presents a new approach to modeling the availability of the networks composed of multiple interconnected rings in two nodes. For availability modeling method algebraic formulation is used. Using this method, through the availability of multiple ring networks consisting of two and three-rings connected to two nodes, a general expression for the availability between two terminals of multiple ring networks is derived. To perform the expression some real assumptions were taken and the analytical calculation showed that the use of these expressions under these assumptions provides real values for availability between the two terminals of multiple ring networks. Information on the availability of links and nodes is taken from previously published works.
Źródło:: Journal of Telecommunications and Information Technology; 2015, 1; 53-58
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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