The increasing of noise-immunity of automatic radio frequency system for identification of automobiles and traffic
Igor B. Shirokov, V.N. Isofatov · 2003
The method of increasing of noise-immunity of automatic radio frequency identification (RFID) system is presented. The method is based upon use of two different frequencies of radiating and combination of frequency sum to be received. The increasing of noise-immunity and decreasing of RFID system cost provokes the great interest of developers and users.