A.A. Gladkih - Ph.D. (Eng.), associate professor, professor, Dept. of Telecommunications, Ulyanovsk State Technical University. E-mail: a_gladkih@mail.ru, a.gladkih@ulstu.ru
N.Yu. Chilikhin - Post-graduate student, Dept. of Telecommunications, Ulyanovsk State Technical University. E-mail: n.chilikhin@gmail.com
R.V. Klimov - Post-graduate student, Dept. of telecommunications, Ulyanovsk State Technical University. E-mail: chorrus@mail.ru
D.N. Solodovnikova - engineer, OJSC Rostelecom. E-mail: d.solodovnikova@mail.ru
