N.N. Vasin – Dr.Sc.(Eng.), Professor, Department «Networks and Communication Systems», 

Volga State University of Telecommunications and Informatics (Samara)

E-mail: vasin.psuti@mail.ru, vasin-nn@psuti.ru

R.R. Diyazitdinov – Ph.D.(Eng.), Associate Professor, Department «Networks and Communication Systems», Volga State University of Telecommunications and Informatics (Samara) E-mail: rinat.diyazitdinov@gmail.com