数字移动通信中解调后等增益分集合并性能研究  

The Performance Study of Equal Gain Diversity and Combining Techniques for Digital Mobile Communication

作　　者：王建华[1] 周昌雄[1] 

机构地区：[1]华东船舶工业学院电子与信息工程系,江苏镇江212003

出　　处：《桂林电子工业学院学报》2000年第3期33-36,共4页Journal of Guilin Institute of Electronic Technology

摘　　要：利用对特征函数求留数的方法 ,导出 GMSK二比特差分检测的平均误码率公式的简单表达式和采用 L 重分集合并技术的平均误码率公式的封闭形式。结果表明 ,采用检波后等增益分集合并技术的GMSK二比特差分检测系统具有简单、信号频谱窄、领道干抗小、抗衰落。This paper analyzed anti fading and anti cochannel interference performance of Guassian MSK two bit differential detection system of digital mobile communication with equal gain diversity and combining techniques.A simple and sealed formula of average code error rate of this system is proposed in this paper based on residues of Characteristic function with L layers diversity and combining techniques.Finally,this system has the advantage of simple,narrow power spectral density,low adjacent channel interference,powerful anti fading and anti cochannel interference.

关 键 词：数字移动通信 分集合并 增益 解调 

分 类 号：TN929.53[电子电信—通信与信息系统]