摘要
论述了在网格编码调制(TCM)中采用星座成形技术可进一步提高功率增益,给出了星座成形的方法和星座成形的实现技术—壳状映射。
In this paper,that some power gains can be obtained with the technique of shaping constellation is discussed,a shaping method and the shell mapping technique which facilitates the addresing of shaping regions are presented.
出处
《重庆邮电学院学报(自然科学版)》
1999年第4期16-19,53,共5页
Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition)