摘要
本文分析了16-QAM 数字微波系统判决反馈均衡器的性能,提出了一种选取抽头系数调整步长的新方法,并在硬件实现中采用了取样代替乘法的设想,以节省大量乘法器.
It is well known that the atmospheric multipath fading is the main cause of circuit interruption in radio microwave digital communication.One of the combating methods is the use of adap- tive transversal equalizers.In this paper we analyse the perfor- mance of a advanced Decision Feedback Equalizer with a new idea,that is the tap weights which are controlled by MSE with adaptive coefficients,and sampling method instead of multi- pliers.The simulation and laboratory results prove these attractive performance in these modifications.
出处
《南京邮电学院学报》
北大核心
1989年第1期52-57,共6页
Journal of Nanjing University of Posts and Telecommunications(Natural Science)
关键词
均衡器
数字微波系统
QAM系统
Adaptive equalizer
Digital microwave relay systems
Mean square algorithm
QAM systems
