Department of Electrical, Electronic and Computer Engineering, Faculty of Engineering, Technical University of Cluj-Napoca, North University Center of Baia Mare, Dr. V. Babes Street, No. 62A, ZIP 430083, Baia Mare, Romania
Department of Informatics Systems and Networks, Faculty of Informatics, University of Debrecen, Egyetem ter, 1., 4032, Debrecen, Hungary