Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system

The invention claims a communication system transceiver, comprising: Receiver, the out-of-bounds spread spectrum of signal receiving table seat; transmissionA transmitter, after into the spread spectrum signal to seat; andThe power control system, controlling and spread spectrum signal the power signal, the power control system comprises: To a receiver control device processor, a power regulating one of out-of-bounds spread spectrum signal to a overhead and from the receiver with a fixed 1st the power level value; and generating corresponding 1st power level control signal and power generation layer of signal; To a receiver automatic gain control device, the out-of-bounds spread spectrum signal alarm signal power for measuring receiver receives, providing a corresponding plug of power signal; The comparator device, a receiving and said measuring of power supply signal and power layer of signal, providing a corresponding 2nd power level control signal; The coupled to transmitter's amplifier, criteria 1st and 2nd power level control signal amplifying, and spread spectrum signal of determining wherein the gain stages, thereby, and spread spectrum signal signal power and maintain the predetermined average power signal and an.