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Device and method for positioning and controlling railway vehicles with ultra-large bandwidth

  • US 7,725,252 B2
  • Filed: 07/15/2004
  • Issued: 05/25/2010
  • Est. Priority Date: 07/16/2003
  • Status: Expired due to Fees
First Claim
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1. A device for positioning and controlling rail vehicles (4) comprising:

  • fixed stations (1) comprising a first signal transmitter and receiver (2); and

    a central control station (3) to which are connected the fixed stations (1) and controlling a transport zone,wherein,each rail vehicle (4) comprises second signal transmitter and receiver (6) containing a specific identifier of a transmitter and at least one message,the signals transmitted by the first transmitter and receiver (2) of the fixed stations (1) contain a specific identifier of the transmitter and at least one message,the central control station (3) sends rail operation control orders,each rail vehicle (4) and each fixed station (1) include processor (8) for determining the identifier and at least said message of each signal received,the signals of the first and second transmitter and receiver (2, 6) are non-sinewave radio signals with a very large passband whereof a frequency spectrum ranges between 1 and 10 GHz.

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