A. O. Kasyanov - Dr.Sc. (Eng.), Deputy Head of Department of FSUE «Rostov-on-Don Research Radiocommunication Institute» FRPC. E-mail: kasao@mail.ru Yu. G. Popov - Head of Sector of FSUE «Rostov-on-Don Research Radiocommunication Institute» FRPC. E-mail: ayv2004@mail.ru