Software-based processing made it possible to realize single-step braking or Digital ATP.
| ATP with multiple-step brake control | Digital ATP | |
|---|---|---|
| Brake Profile |  |
 |
| Type of information sent from the ground | Permitted speed information | Stopping point information |
| Method of train detection | Via track circuit | Via track circuit |
| Information on preceding train | Unable to monitor | Able to monitor |
| Ground equipment arrangement | In large-scale and concentrated | Spread out in each station |