Issue 3-4, 2017

Issue 3-4, 2017

 

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 52. No 3-4/2017
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20170304-full

C O N T E N T S

TELECOMMUNICATIONS SCIENCE

Georgi Balabanov
Challenges of quality of experience management for cloud based ambient assisted living services and applications 1

Mircho Mirchev, Seferin Mirtchev
Network topology analysis – graph properties that matter 5

ELECTRONICS
Emil N. Kovatchev, Nadezhda L. Evstatieva
Analysis and investigations on a digitally controlled LED buck driver for automotive LED applications 13

Elena G. Koleva, Lilyana S. Koleva, Georgi M. Mladenov
Model-based optimization of electron beam welding for obtaining defect-free welds 22

E-LEARNING
Elena Shoikova, Roumen Nikolov, Eugenia Kovatcheva
Conceptualising of smart education 29

UP-TO-DATE INFORMATION ON SCIENCE IN BULGARIA
Ministry of Economy, Republic of Bulgaria
Innovation strategy for smart specialisation of the Republic of Bulgaria 2014-2020 38

Ministry of Education and Science, Republic of Bulgaria
National research development strategy 2020 48