用matlab程序模拟实现cdma系统的整个过程。包括并串、串并转换，m序列的产生，直接扩频、解扩，qpsk的调制解调，载波调制解调等。-Matlab simulation procedures used to achieve the whole process of cdma systems. Including and string SERDES, m sequence generation, direct spread spectrum, despreading, qpsk the mod

完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.-Orthogonal frequency division multiplexing (OFDM) is becoming the chosen modulation technique for wireless communications. OFDM can provide large data rates with sufficient robustn

These files in Matlab implement a conventional DS -CDMA detector using QPSK modulation and matched filters in the receiver.-These files in Matlab implement a conventional DS-CDMA detector using QPSK modulation and matched filters in the receiver.

QPSK映射方式下直接扩频通信系统仿真,使用matlab作为仿真工具。-DS-CDMA based on QPSK by matlab