Wyniki wyszukiwania - BazTech

Ograniczanie wyników

1 Journal of Telecommunications and Information Technology

1 2020

Znaleziono wyników: 1

Liczba wyników na stronie

Wyniki wyszukiwania

Wyszukiwano:
w słowach kluczowych: non-product form

Sortuj według:

Ogranicz wyniki do:

Performance Evaluation of Two-Link Multirate Loss Models with Restricted Accessibility

Keramidi Irene P., Moscholios Ioannis D., Sarigiannidis Panagiotis G., Logothetis Michael D.

Journal of Telecommunications and Information Technology

2020

nr 2

61--69

We consider a two-link communication system with restricted accessibility that services Poisson arriving calls of many service-classes and propose a multirate teletraﬃc loss model for its analysis. In a restricted accessibility system, call blocking occurs even if available resources do exist at the time of a call’s arrival. In the two-link system under consideration, each link has two thresholds (oﬄoading and support) which express the in-service calls in a link. The oﬄoading threshold represents the point from which a link oﬄoads calls. The support threshold (which is lower than the oﬄoading threshold) deﬁnes the point up to which a link supports oﬄoaded calls. The two-link system with restricted accessibility is modeled as a loss system whose steady state probabilities do not have a product form solution. However, approximate formulas for the determination of call blocking probabilities are proposed. In addition, we also provide a corresponding analysis related to the case of quasi-random traﬃc (i.e. traﬃc generated by a ﬁnite number of users). The accuracy of all formulas is veriﬁed through simulation and is found to be quite satisfactory.