Telecommunications science

20200102-01
Problems related to EMC caused by low-altitude flying drones in urban environment
Georgi Petrov, Anushka Stancheva

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Mass electrification of personal transportation vehicles creates prerequisites for massive mobile sources of electromagnetic interference. These is especially strong in dense urban environments. The problem with the introduction ...  read more

20200102-02
Data fusion from different protocols and integrating them into a mesh network for personal assistant of technical manager
Boyan K. Mednikarov, Yordan A. Sivkov, Chavdar I. Alexandrov, Miroslav Y. Tsvetkov, Veselin E. Atanasov, Marinela I. Petrova

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Automatic data collection and decision-making processes are crucial in optimizing production processes. One of the main tasks is to significantly reduce the time and cost of making management decisions, and achieve flexible ...  read more

20191112-03
Blockchain in the telecom industry
Boyan Jekov, Petya Petkova, Elena Shoikova

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This article looks at the introduction of Blockchain technology in the telecoms industry. Blockchain is one of the disruptive technologies that is rapidly entering all sectors of the industry, economy and life. This article ...  read more

20190910-01
Software tool for comparing LTE traffic prioritisation algorithms
Aydan Haka

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The anticipated expansion of LTE subscriptions worldwide, affect the need to improve QoS. This can be done by extending and improving the existing network architecture and implementing new algorithms for traffic prioritisation. ...  read more

20190708-02
Links throughput evaluation in the telecommunication networks
Seferin Mirtchev

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When planning the telecommunication networks it is important to determine the link throughput to provide quality of service, to prevent network overloading and to avoid bottlenecks. In this paper, a method for evaluating the ...  read more

20190506-01
Methods for forming and transmitting hypermedia images by using modern communication technologies
Venko Kacarov, Aneliya Stanoeva, Anton Stoilov, Alexey Stefanov, Filip Batalov

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Of particular interest is the development of an aromatic image synthesizer that can reproduce a given variety of aromas in the surrounding environment, leading to indirect changes in psychophysiological indicators and behavioral responses of the human body.

 ...  read more

20190304-03
Analysis of non-preemptive priority single-server queueing systems with peaked traffic flows
Seferin Mirtchev, Rossitza Goleva, Dimitar Atamian, Ivan Ganchev

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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 ...  read more

20190304-02
Spectra of multilayer networks – mathematical foundations, metrics, spectral properties
Mircho J. Mirchev

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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 ...  read more

20190304-01
Comparative analysis of the possibilities of building a decentralized control plane of a Software Defined Networks
Jordan Raychev, Diyana Kinaneva, Georgi Hristov, Plamen Zahariev

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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 ...  read more

20190102-03
Algorithm for software realization of video observation system by means of remote control
Lilijana Docheva, Ivo Dochev, Maria Pavlova

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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 ...  read more