Method and system for controlling transmit power levels

摘要

A mobile station stores power-limit data that identifies one or more defined locations and associates each defined location with a respective transmit power limit. The one or more defined locations may, for example, correspond to locations of high-priority signal transmitters, such as transmitters that transmit signals used for public safety communications. In response to a trigger condition, the mobile station determines whether its current location is proximate to any of the one or more defined locations in the power-limit data. The trigger condition may occur when a current transmit power level of the mobile station is greater than or equal to a predetermined threshold value. If the mobile station's current location is proximate to a defined location in the power-limit data, the mobile station controls its transmit power level so that it does not exceed a transmit power limit associated with the defined location.

主权项

1. A method comprising:
a mobile station transmitting reverse link signals to a wireless network at a transmit power level that is controllable between a minimum transmit power level and a maximum transmit power level; said mobile station detecting a trigger condition, wherein said mobile station detecting said trigger condition comprises said mobile station comparing a current transmit power level to a predetermined threshold value; in response to said trigger condition, said mobile station (i) accessing power-limit data that identifies one or more defined locations and associates each defined location with a respective transmit power limit, wherein each transmit power limit is less than said maximum transmit power level and greater than or equal to said minimum transmit power level, and (ii) determining whether a current location of said mobile station is proximate to any of said one or more defined locations in said power-limit data; and in response to a determination that said current location is proximate to a defined location in said power-limit data, said mobile station controlling said transmit power level so that it does not exceed a transmit power limit associated with said defined location.