基于常数模的多址干扰抑制能力分析

Capability of Multi access Interference Suppression Based on Constant Modulus

本文着重分析一种新的盲多用户检测器 (即常数模检测器 )的多址干扰抑制能力 .所得到的结果是 :当解调信号的接收幅值小于临界值 1/3时 ,该检测器的性能较差 ;相反 ,则具有较强的多址干扰抑制能力 .仿真实例验证了这一结论 .

The paper investigates a new blind multiuser detector called constant modulus detector and analyzes the capability of the detector to suppress multi access interference (MAI).The results show that the performance of detector is poor when the received amplitude of the demodulated signal is less than the critical value 1/3,contrariwise,the detector possesses stronger capability of MAI suppression.The simulation examples demonstrate the results.