Federation of the Scientific-Technical Unions in Bulgaria (FNTS)

Union of Electronics, Electrical Engineering and Telecommunications (CEEC)

Ministry of Transport, Information Technology and Communications

The Communications Regulation Commission

Technical University of Sofia

Union of Scientists in Bulgaria

Telecommunications Association (ASTEL)

25-th NATIONAL CONFERENCE
WITH INTERNATIONAL PARTICIPATION

TELECOM 2017

TELECOMMUNICATIONS YESTERDAY, TODAY, FOREVER

26 - 27 October 2017

National Science and Technical Centre,
108 Rakovsky St. – Sofia

P A P E R S

Edited by

Prof. DSc Seferin Mirtchev

Stefan Patchedjiev PhD

ISSN: 1314-2690

Publishing group of the Union of Scientists in Bulgaria -Sofia

C O N T E N T S

1.	LECTRONIC COMMUNICATIONS MARKET - DEVELOPMENT AND CHALLENGES (presentation) Detelina Krasteva - Director of Market Regulatory Directorate, CRC
2.	LTE-A CARRIER AGGREGATION. 2CC (presentation) Mihail Mihailov – Mobiltel EAD
3.	THE CHALLENGE "ARTIFICIAL INTELLECT" (presentation) Antoni Slavinski - ASTEL
4.	EUROPEAN STRATEGY FOR DIGITAL DEVELOPMENT OF BULGARIA (presentation) Nikola Dourtchev – Balkantel
5.	SUPERCOMPUTER APPLICATIONS. SITUATION IN BULGARIA AND EUROPE (presentation) Plamen Vachkov - FNTS
6.	INDUSTRY 4.0 (presentation) Boris Yovchev - USB
7.	NOTES ON TELECOMMUNICATIONS – 2017 (presentation) Kamen Rangelov – CEEC
8.	TRENDS FOR DEVELOPING THE DIGITAL RADIO AND TELEVISION BROADCASTING (presentation) Kiril Konov – CEEC
9.	ON THE SPECTRA OF SCALE-FREE AND SMALL-WORLD NETWORKS Mircho Jordanov Mirchev – Technical University of Sofia............................... 5
10.	APPROACHES FOR THE FORMATION OF SIGNALS FOR ELIMINATION THE TRANSITION PROCESS BY THE TRANSMISSION Galina Cherneva, Hristina Spiridonova – VTU................................................ 13
11.	FIFTH GENERATION (5G) - MOBILE SYSTEMS AND COMMUNICATION TECHNOLOGIES OF THE FUTURE Rosen Pasarelski, Vasil Kadrev, Teodora Pasarelska – NBU.......................... 18
12.	FEATURES IN THE DEVELOPMENT OF VOIP APPLICATIONS IN IOS PLATFORMS Philip Andonov, PhD, Kiril Angelov - NBU...................................................... 27
13.	WEATHER STATION FOR SMART HOME APPLICATIONS Filip Andonov, Georgi Petrov – NBU ................................................................ 35
14.	SYNCHRONIZATION OF EMBEDDED SYSTEMS BY OPTIMIZING THE COMMUNICATION PROCESS WITH A COMMON CLOUD-BASED ENVIRONMENT Neven Nikolov – Technical University of Sofia................................................. 41
15.	WIRELESS FIREWORK SYSTEM Yovko Rakanov, Ognyan Kunev, Svetlozar Nedev – NBU.............................. 45
16.	COMMUNICATIONS TO LTE USER GROUPS RELATED TO PUBLIC SAFETY Georgi Dimitrov – Nikola Vaptsarov Naval Academy..................................... 49
17.	NEW MATHEMATICAL MODEL FOR ANALYSIS OF SKIN EFFECT AND PROXIMITY EFFECT Ivan Stefanov Bozev, Radoslav Borislavov Borisov – TUS ............................. 58
18.	THE eHEALTH EDUCATION AT NBU - PROSPECTS, INNOVATIONS AND EXPECTATIONS Polina Mihova, Georgi Petrov – NBU................................................................ 66
19.	USING GNS 3 FOR E – LEARNING ON IP – BASED TELECOMMUNICATION NETWORK Ivan Nedyalkov and Georgi Georgiev – UTP .................................................... 71
20.	AUTOMATIC SYSTEM FOR CREATING REPORTS WITH INTEGRATED TABLES AND GRAPHICS Velizar SIMEONOV – NBU................................................................................ 75
21.	MEASURING THE SIGNAL LEVEL IN THE 4G LTE NETWORK IN SOFIA Philip Atanasov, Zhivko Kiss’ovski – Sofia University.................................... 80
22.	OPEN INITIATIVE FOR PROVIDING FREE INTERNET ACCESS IN BULGARIA MOUNTAIN CHALETS Boyan Presolski , Georgi Petrov, Filip Andonov, Raliza Berberova – NBU.................................................................... 84
23.	AN IDEA FOR A FIFTH-GENERATION MOBILE COMMUNICATIONS ANTENNA Peter Apostolov, Alexey Stefanov – SWU.......................................................... 87
24.	COOPERATIVE SPECTRUM SENSING – OVERVIEW Zdravka Tchobanova, Technical University-Sofia........................................... 91
25.	SCP-RPSC TECHNOLOGY IN THE MILLIMETER WAVE COHERENT TRANSPONDING SYSTEMS FOR IOT COMMUNICATIONS Veselin Demirev, Technical University-Sofia.................................................... 99
26.	GDPR ENTRAPMENTS. PROACTIVE AND REACTIVE (RE)DESIGN THINKING Willian Dimitrov – UNIBIT ............................................................................. 105
27.	INTELLIGENT METHODS AND CYBERSECURITY Rumen Trifonov , Ognian Nakov, Plamen Vachkov, Slavcho Manolov, Radoslav Yoshinov, Georgi Popov, Georgi Tsochev, Galia Pavlova – Technical University of Sofia ............................................... 113
28.	INNOVATION THROUGH DESIGN THINKING, USER EXPERIENCE AND AGILE: TOWARDS COOPERATION FRAMEWORK Galia Novakova Nedeltcheva – Sofia University Elena Shoikova – UNIBIT................................................................................. 121
29.	BEST PRACTICES FOR DESIGNING USER EXPERIENCE FOR INTERNET OF THINGS AND VIRTUAL REALITY Elena Shoikova, Anatoly Peshev – UNIBIT..................................................... 130
30.	ONE POSSIBILITY APPROACH FOR THE DEVELOPMENTS OF ELECTRONICS IN BULGARIA Bozhidar Simeonov............................................................................................ 138
31.	50 YEARS FIRST GRADUATE ELECTRONICS 1967 MEI SOFIA Bozhidar Simeonov............................................................................................ 141

Open Access

CD Proceedings

25^th National Conference
with Foreign Participation

TELECOM 2017

ISSN: 1314-2690