Method and apparatus for providing an alert on a user equipment entering an alerting area

摘要

A method and apparatus for providing an alert on a portable communication device such as a user equipment (UE) entering an alerting area is provided. The UE runs a GPS engine continuously to estimate the location of the UE from the time the alert system is activated. The method and apparatus provide an alert system on a UE by calculating the distance between the UE and alerting area. Further, the method and apparatus enable using different positioning systems based on the distance of the UE from the alerting area, thereby reducing the power consumption of the UE battery.

主权项

1. A method for providing an alert on a user equipment (UE) entering an alerting area, the method comprising:
calculating, by the UE, a distance between a location of the UE and the alerting area; calculating, by the UE, a position of the UE using a first positioning method, if the calculated distance meets a first condition, wherein the first condition is that the calculated distance is greater than or equal to a predetermined distance threshold; and calculating, by the UE, the position of the UE using a second positioning method, if the calculated distance meets a second condition, wherein the second condition is that the calculated distance is less than a distance threshold, wherein calculating the position of the UE using the second positioning method comprises calculating the location of the UE using a satellite based communication method at periodic intervals, if the calculated distance meets the second condition, and wherein the periodic intervals depend on at least one of speed of the UE, direction of travel of the UE with respect to the alerting area, and the distance between the location of the UE and the alerting area.