L.D. Lozhkin - Dr. Sc. (Eng.), Associate Professor, Head of Laboratory, Volga State University of Telecommunications and Informatics (Samara) E-mail: leon.lozhkin@yandex.ru V.A. Neganov - Dr. Sc. (Phys.-Math.), Professor, Head of Department, Volga State University of Telecommunications and Informatics (Samara) E-mail: neganov-samara@yandex.ru