S.V. Porshnev - Dr.Sc. (Eng.), Professor, Head of Department «Electronics Information Systems», Ural Federal University named after the first President of Russia B.N.Yeltsin, Ekaterinburg. E-mail: sergey_porshnev@mail.ru D.V. Kusaykin - Post-graduate Student, Ural Technical Institute of Communication and Computer Science, Ekaterinburg. E-mail: kusaykin@mail.ru