基于matlab的cdma系统，扩频通信-The cdma matlab-based systems, spread spectrum communication

一个用matla编写的ds_cdma通信系统的完整仿真程序，代码为m文件.-A written ds_cdma with matla complete communication system simulation program, code m file.

DS_CDMA通信系统的MATLAB仿真源程序，包含发射信号、QPSK调制、GLOD码扩频、解扩、解调等过程-DS_CDMA communication system simulation source of MATLAB, including emission signal, QPSK modulation, GLOD code spread-spectrum despreading, demodulation, etc.

Ds_CDMA EASI 算法使用两个用户的分离实现PN序列以及用户信息的分离-To solve the problem of the direct sequence code division multiple access (DS-CDMA) system multiuser detection, this paper proposes a variable step-size based on performance index (PI) EASI algorithm for inform