Patent ID: 6944471

Claim:
A protection method for forward power saturation in a CDMA communication system, comprising the steps of: determining whether the communication system enters a saturation state, which includes the steps of: adjusting power according to a TPC instruction to determine transmitting power to each mobile subscriber when a base station receives the TPC instruction of all subscribers at each time slot; summing up, by the base station, the adjusted transmitting power to all mobile subscribers at each time slot to decide whether the system enters the saturation state; and further adjusting the power according to the determined power if the total value of summed power is less than a predetermined threshold; otherwise the system entering a saturation state, whereby a saturation protection step starts; protecting power saturation which includes the steps of: setting up, by the base station, a TPC instruction counter corresponding to each subscriber; and operating a corresponding instruction counter according to the subscriber's TPC instruction, and if the TPC instruction received is a power increasing instruction, an instruction counter's value is added by 1; and if the TPC instruction received is a power decreasing instruction, the instruction counter is reset; and providing an order of subscribers who need power increasing in accordance with their instruction counter's values, respectively, when the base station enters a saturation state, wherein the subscriber showing the largest in the instruction counter is preferential to increasing transmitting power.