| 摘要 |
A method, device and system for realizing alarming, the method including: obtaining an accelerated velocity of a mobile terminal in a first coordinate system, and obtaining an intersection angle between the first coordinate system and a second coordinate system; calculating the location of the mobile terminal in the second coordinate system according to the obtained accelerated velocity and the intersection angle; determining the calculated location exceeding a safety area, then alarming or transmitting alarm information to a system side device. |
