一种新的基于最小二乘准则的超宽带多用户检测算法  

A Novel Multi-user Detection on LS in Impulse Radio UWB Systems

作　　者：唐宁九[1] 苏理云[2] 李征[1] 琚生根[1] 

机构地区：[1]四川大学计算机学院,四川成都610064 [2]重庆工学院数理学院,重庆400050

出　　处：《四川大学学报（工程科学版）》2009年第4期151-154,175,共5页Journal of Sichuan University (Engineering Science Edition)

摘　　要：为了更好地改善超宽带无线多址通信系统的信号检测提出了一种新的算法。该算法把最小二乘准则公式写成矩阵形式,并且利用矩阵Moore-Penrose逆递推公式实现的自适应递推算法直接对编码矩阵进行更新,从而得到了一种新的超宽带多址通信自适应多用户检测算法。计算机模拟结果表明,该算法比传统的RLS算法有更好的收敛速度,并且相应的自适应多用户检测器比传统的检测器有更好的检测性能。The systems of time-hopping BPSK in UWB were changed into a virtually linear model.The least square criterion was written into matrix form,and a new adaptive multi-user detection algorithm was proposed by using recursion of Moore-Penrose Inverse Matrix to the code matrix for each user which can be defined based on its unique TH sequence.Following the LS recursion of Moore-Penrose Inverse Matrix optimization procedures,the desired signal could be detected from the adaptive multi-user detection algorithm.Nume...

关 键 词：超宽带 最小二乘准则 TH-BPSK 多用户检测 矩阵Moore-Penrose逆递推 

分 类 号：TN925[电子电信—通信与信息系统]