摘要
Two blind multiuser detection algorithms for antenna array in Code Division Multiple Access (CDMA) system which apply the linearly constrained condition to the Least Squares Constant Modulus Algorithm (LSCMA) are proposed in this paper. One is the Linearly Constrained LSCMA (LC-LSCMA), the other is the Preprocessing LC-LSCMA (PLC-LSCMA). The two algorithms are compared with the conventional LSCMA. The results show that the two algorithms proposed in this paper are superior to the conventional LSCMA and the best one is PLC-LSCMA.
Two blind multiuser detection algorithms for antenna array in Code Division Multiple Access （CDMA） system which apply the linearly constrained condition to the Least Squares Constant Modulus Algorithln （LSCMA） are proposed in this paper. One is the Linearly Constrained LSCMA （LC-LSCMA）, the other is the Preprocessing LC-LSCMA （PLC-LSCMA）. The two algorithms are compared with the conventional LSCMA. The results show that the two algorithms proposed in this paper are superior to the conventional LSCMA and the best one is PLC-LSCMA.
基金
Supported by the National Natural Science Foundation of China (No.60472104)
Doctoral innovative fund of Jiangsu province (xm04-32).
关键词
多用户检测
盲信号
CDMA
码分多址
最小平方常量模数
LSCMA
Antenna array
MultiUser Detection （MUD）
Code Division Multiple Access （CDMA）
Least Squares Constant Modulus Algorithm （LSCMA）
Linearly Constrained LSCMA （LC-LSCMA）
Preprocessing LC-LSCMA （PLC-LSCMA）
