Device and method for controlling transmission power of a mobile station in a multi-carrier CDMA mobile communication system

摘要

A device for controlling transmission power of a mobile station in a multi-carrier CDMA mobile communication system, which includes a digital mixer that receives and divides a wide band multi-carrier signals according to carriers and also filters the divided carrier signals. A searcher receives and separates the divided carrier signals according to carrier signals which have the same path delay. A plurality of fingers separately (and in parallel) despread and demodulate carrier signals which have the same path delay, and synchronize the demodulated signals. Parallel/serial (P/S) converters convert the demodulated signals provided in parallel from the fingers to serial signals. De-randomizers de-randomize the converted demodulated serial signals using a subscriber identification code. A combiner divides the de-randomized demodulated signals according to cells, and provides a transmission device of a mobile station with a transmission gain control signal for reverse power control based upon power control bits extracted from the divided demodulated signals.