基于Logistic函数映射与神经网络的地址码相位捕捉检测方法

Phase Acquisition Method of Address Code Based on Logistic-Map and Neural Network

本文提出一种基于Logistic映射和反向传播神经网络的改进型神经网络检测方法 ,并将其应用于CDMA移动通信中地址码相位的捕捉 .理论分析与模拟结果都表明 ,与一般的串行捕捉法相比 ,该方法可使CDMA地址码的检测概率得到提高 ,平均捕捉时间得到减小 。

An improved neural network detection method based on Logistic map and BP (back propagation) network is proposed.It can be applied to phase acquisition of CDMA address code.The results of analysis and simulation both show that it can increase the detection probability and reduce the average acquisition time compared with conventional series phase acquisition method,and the performance of the whole mobile communication system can be improved effectively.