Patent ID: 6249683
Filing Date: 2001-06-19
Classification: H04W

Abstract:
In a mobile radio telephone communication system, a method for controlling transmit power levels of a plurality of different data streams transmitted from at least one base station to a mobile station, comprising the steps of:(a) transmitting a first data stream from the at least one base station to the mobile station, and transmitting a second data stream from the at least one base station to the mobile station;(b) receiving the first and second data streams at the mobile station;(c) forming a first stream of power control commands at the mobile station in accordance with either the first or second received data stream;(d) forming a power control signal at the mobile station from the first stream of power control commands;(e) transmitting the power control signal from the mobile station to the at least one base station;(f) receiving the power control signal at the at least one base station;(g) forming a first received stream of power control commands from the received power control signal at the at least one base station; and(h) controlling a transmit power level of the first data stream from the at least base station in accordance with the first received stream of power control commands, and controlling a transmit power level of the second data stream from the at least one base station in accordance with the first received stream of power control commands.