根据宽带码分多址 (WCDMA)移动通信系统的基本特性 ,利用基站发送的反馈信号 ,结合优化和反馈控制的特点 ,在保证每个用户服务质量的前提下 ,以最小化用户功率和最大化系统稳定性的综合考虑为目标 ,对WCDMA上行链路提出了一种实时动态优化的闭环功率控制方法 ,以保证用户能在发射功率最小的同时 ,使系统有较好的稳定性 .仿真结果表明 ,该方法在满足通信质量要求的前提下 ,具有较低的功率损耗和较好的系统稳定性 According to the basic characteristics of Wideband Code Division Multiple Access (WCDMA) mobile communication system, using the feedback signal sent by the base station, combined with the characteristics of optimization and feedback control, under the premise of ensuring the quality of service for each user, in order to minimize user power and maximize System stability of a comprehensive consideration as the goal of a WCDMA uplink proposed a real-time dynamic optimization of closed-loop power control method to ensure that users can transmit power minimum while allowing the system to have a better stability. Simulation results show that , This method has lower power loss and better system stability under the premise of meeting the communication quality requirements