Discrete Wavelet Neural Network Group System for Digital Modulation Recognition
In this paper, neural network group is proposed to improve the performance of discrete wavelet neural network group (DYVNNG) for automatic digital modulation recognition (ADMR). The neural network group can reduce the complexity of only one neural network. The neural network can be easier to be trained with low errors by using neural network group. The problem of local optimum can be improved. And the system can recognize more modulations. The experiment indicates that it can recognize 2ASK, 4ASK, 8ASK, 2FSK, 4FSK, 8FSK, 2PSK, 4PSK, 8PSK, 4QAM and 16QAM. The mean correct recognition rates were obtained 95.7% by using neural network group substitute for single one.
discrete wavelet neural network group modulation recognition digital signal
Zhang Chaozhu Yang Lianbai Wang Xin
Information and Communication Engineering College Harbin Engineering University Harbin, China Center of Network Management HeiLongjiang Co.,Ltd. CMCC Harbin, China
国际会议
西安
英文
603-606
2011-05-13(万方平台首次上网日期,不代表论文的发表时间)