Vehicle-based device for receiving information from a track-based transmission device
AssigneeSiemens Mobility GmbH
InventorAndreas Liebig
Life of this patent
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Abstract
A vehicle-based device for a vehicle, in particular a rail vehicle, includes a receiving device which, when passing a track-based transmission device, is configured for receiving a signal, which is at least also frequency-modulated, from the track-based transmission device. The vehicle-based device includes an evaluation device which is configured for generating a crosstalk warning, namely in accordance with signal levels at different frequencies of the received frequency-modulated transmission signal and/or in accordance with the frequency curve. A vehicle, in particular a rail vehicle, and a method for transmitting at least one piece of information from a track-based transmission device to a passing vehicle, in particular a rail vehicle, are also provided.
Claims14
A vehicle-based device for a vehicle or a rail vehicle, the device comprising:
- a receiving device configured for receiving an at least frequency-modulated signal from a track-based transmission device upon passing the track-based transmission device;
- and
- an evaluation device configured for generating a crosstalk warning in dependence on at least one of signal levels at different frequencies of the received frequency-modulated transmission signal or a frequency curve of the received frequency-modulated transmission signal;
- said evaluation device configured to generate the crosstalk warning when an edge steepness of the frequency curve falls below a predefined degree over time during signal frequency changes.
A vehicle-based device for a vehicle or a rail vehicle, the device comprising:
- a receiving device configured for receiving an at least frequency-modulated signal from a track-based transmission device upon passing the track-based transmission device;
- and
- an evaluation device configured for generating a crosstalk warning in dependence on at least one of signal levels at different frequencies of the received frequency-modulated transmission signal or a frequency curve of the received frequency-modulated transmission signal;
- said evaluation device configured to measure an edge steepness of the signal frequency during signal frequency changes and to generate the crosstalk warning when an amount of edge steepness reaches or falls below a predefined threshold.
A method for transmitting at least one piece of information from a track-based transmission device to a passing vehicle or a rail vehicle, the method comprising the following steps:
- using the track-based transmission device to transmit a track-based transmission signal being at least frequency-modulated;
- carrying out a vehicle-based evaluation of at least one of a signal level at different frequencies of the received transmission signal or a frequency curve of the received transmission signal and generating or not generating a crosstalk warning depending on at least one of the frequency curve or the signal levels;
- providing the frequency-modulated transmission signal as a binary signal having a first signal frequency at a logical “0” and a second signal frequency at a logical “1”;
- and
- detecting an edge steepness of the signal frequency during signal frequency changes from the first signal frequency to the second signal frequency and from the second signal frequency to the first signal frequency and generating the crosstalk warning (UW) when the edge steepness falls below a predefined degree.
Dependencies are inferred from the claim text.