In this paper the problem of estimation of subjective video quality of distorted video
sequences for mobile video streaming is addressed. Widely spreading mobile …

Abstract Service delivery in a heterogeneous wireless environment requires the selection of
an optimal access network. In order that users could be always connected through the …

In the context of virtual environments, the security problems are highly important. The paper
presents some results of experiments we have carried out within the real virtual machine …

The problem of estimation of video quality obtained by end-user for mobile video streaming
is addressed. Widely spreading mobile communication systems and increasing data …

At present, GPON is the most modern variant of passive optical networks and it is also mass-
deployed access technology in real operation. New broadband services cause traffic …

In collaboration with COSMC it has been prepared new tests of WMS services which focus
on two main aspects: a) Monitoring the availability of WMS related with records of errors, and …

A project of creation of a multi-dimension and autonomous QoS evaluation and monitoring
system is presented in the paper. The initial data for evaluation of the QoS is collected from …

An earthquake occurred on August 17, 1999 in Turkey and the Turkish Power System was
adversely affected by the earthquake. Therefore, the power system collapsed. In this study, it …

Transmission issues of the billing and dynamic power quality measures from the domestic
sector Page 1 Transmission Issues of the Billing and Dynamic Power Quality Measures from …

Note that in UMTS network, the centralized core network (CN) is responsible for ensuring
switching and routing for the end users traffic. All Network management functions and …