Keywords Personal Communication,Mobile Communication,Location Information,,,,, Location Register,GPS,IN,SDMA,Covariance Matrix,Array Signal Processing,,,,, Spatial Spectrum Estimation,Beam Swit

• 个人通信;移动通信;位置信息;位置登记器;GPS智;能网;空分多址;协方差矩阵;阵列信号处理;空间谱估计;波束交换;双通道;农村通信;