将自适应天线阵列应用于 CDMA移动通信系统中 ,可抑制多址干扰的影响 ,提高系统的容量。研究了自适应天线阵列的组成及其自适应算法 ,并对采用了自适应天线阵列的 CDMA系统进行了性能分析。理论分析和数值仿真的结果表明 ,与使用单一全向天线的系统相比 ,基站采用自适应天线阵列 ,改善了系统反向链路的性能 ,增加了系统的容量 The adaptive antenna array used in CDMA mobile communication system, can suppress the impact of multiple access interference and improve system capacity. The composition of adaptive antenna array and its adaptive algorithm are studied. The performance of CDMA system with adaptive antenna array is analyzed. Theoretical analysis and numerical simulation results show that, compared with the system using a single omnidirectional antenna, the base station uses an adaptive antenna array to improve the performance of the system reverse link and increase the capacity of the system