Telecommunications science

20190304-03
Analysis of non-preemptive priority single-server queueing systems with peaked traffic flows

In this article, single-server priority queueing systems with a peaked arrival process, generally distributed service time and infinite waiting position is analyzed by using the Polya distribution to describe the peaked traffic flow. ...  read more

20190304-02
Spectra of multilayer networks – mathematical foundations, metrics, spectral properties

This article reviews a generalize approach of network models of complex systems and networks by introducing layers, thus defining multilayer networks. Having the multilayer property on the network model, it can better describe the complex ...  read more

20190304-01
Comparative analysis of the possibilities of building a decentralized control plane of a Software Defined Networks

The objective of the current paper is to be conducted a comparative analysis of the available possibilities for building a decentralized controller plane of a Software Defined Network (SDN). The SDN networks are an emerging paradigm, ...  read more

20190102-03
Algorithm for software realization of video observation system by means of remote control

The aim in the article is to present a software realization of video observation system by means of remote control. The system consists of two main components. One of them is a quad-copter and the other is the development module. The ...  read more

20190102-02
On the spectra of scale-free and small-world networks

This paper reviews the most commonly used models of complex systems and networks -Erdos -Renyi, Watts-Strogatz and Barabasi-Albert models. These models address different sets of properties and phenomena of real-life networks. Spectral ...  read more

20190102-01
Definitions for disruptive innovation in telecommunication technologies

Every industry at a given moment reaches its end of development, a tipping point where the saturation of the market by products, services and technologies is inevitable. This article analyzes the term innovation and its specific application ...  read more

20181112-05
In-flight sensor system for collecting flight information and providing flight safety of unmanned aerial system

In the last decade there has been a rapid development of unmanned aerial aviation and various solutions are sought for gathering information from difficult access points or in cases where there is a risk to operators and technology. ...  read more

20181112-06
A remote controlled system implementation for object video monitoring

In the current article a solution of the problem with information taking from difficult to reach and dangerous earth places is described. The robots will be very useful in this case. In the article hardware part researching and designing ...  read more

20140304-06
A functional model extension of OMA device management

Machine-to-Machine (M2M) communications allow interworking of smart objects such as sensors, actuators and monitors, and development of innovative applications. Remote entity management provides means of managing M2M device life cycles. ...  read more

20140708-07
40 years an anechoic chamber for automatic antenna measurements in Department of Communication Engineering and Technologies at Technical University of Varna

The creation and development of the anechoic chamber for automatic antenna measurements in the Department of Communication Engineering and Technologies at Technical University of Varna since mid 1970’s to now days is described in ...  read more