Multi-Access Interference(MAI),multi-path fading and near-far effect are the predominant factors that determine the performance of receivers in Code Division Multiple Access(CDMA) system, but MAI is not inevitable.

• 在码分多址(Code Division Mutiple Access，CDMA)系统中，多址干扰(Multi-Access Interference，MAI)、多径衰落及远近效应是影响接收机通信性能主要因素，然而多址干扰不是不可避免的。