A method and system for controlling power in a communication system are provided, in which a base station calculates a power control value for an mobile station based on feedback information received from the mobile station, transmits power control information including the power control value to the mobile station, measures the strength of a signal received corresponding to the transmit power control information from the mobile station, determines the status of the mobile station using the signal strength and the power control value, and schedules the mobile station according to the determination.