Patent ID: 6622024
Filing Date: 2003-09-16
Classification: H04W

Abstract:
A method for controlling outer loop transmit power for transmission power control of an uplink/downlink communication in a spread spectrum time division communication system where a user equipment (UE) produces a target power level based upon received signals which it communicates to a base station from which the signals are received, the method comprising the steps of:receiving at the UE a communication in the form of a series of communication segments from a base station; analyzing the received communication within first and second composite windows; said first composite window having a predefined first window of a first length of a predetermined number of communication segments and a non-overlapping second window of a second length of a predetermined number of communication segments, such that each segment of the communication is first analyzed in the first window and subsequently analyzed in the second window; said second composite window having a predefined third window of a third length of a predetermined number of communication segments and a non-overlapping fourth window of a fourth length of a predetermined number of communication segments, such that each segment of the communication is first analyzed in the third window and subsequently analyzed in the fourth window; periodically distinguishing between static and dynamic channel conditions in communication segments within the first and second windows; generating a static adjustment value when the respective channel conditions of the communication segments in said first and second windows are different; periodically characterizing dynamic channel conditions in communication segments within the third and fourth windows to generate a dynamic adjustment value; and adjusting the target power level in response to the static and dynamic adjustment values.