DEVICE TO CONTROL RAILWAY TRAFFIC BY MEANS OF ARTIFICIAL EARTH SATELLITES Russian patent published in 2012 - IPC B61L25/02 

FIELD: transport.

SUBSTANCE: invention relates to railway ACS, telemetry and communication systems. Proposed device comprises navigation satellite, locomotive, receivers, range finders, train location signal generator, memory unit, rail locator, train speed control unit, locomotive display, DAC, locomotive radio station, communication satellite, dispatcher station, data processing unit, dispatcher station radio station and display. Locomotive and dispatcher station radio stations comprises carrier frequency synthesizer, phase-shift modulator, discrete message generator, first mixer, first local oscillator frequency synthesizer, first intermediate frequency amplifier, first power amplifier, duplexer, transceiving antenna, second power amplifier, second mixer, second local oscillator frequency synthesizer, second intermediate frequency amplifier, multiplexer, bandpass filter, phase detector, synchroniser and pseudorandom sequence generator.

EFFECT: higher noise immunity, validity and data exchange hiding.

5 dwg