基于共轭梯度法的CDMA多用户检测器设计及其实现

The Design and Implementation of CDMA Multi- user Receiver Based on Steepest Descent Algorithm

多用户检测是第三代移动通信系统中宽带CDMA通信系统抗干扰的关键技术。提出了一种基于共轭梯度算法多用户检测的可实现方案,降低了计算复杂度,提高了收敛速度,又可以做到较低成本的物理实现。同时,介绍了一种基于这种算法的系统实现方案。

Multi-user receiver is a key technology of wide band CDMA system.This paper presents a realizable design method of multi-user receiver based on steepest descent algorithm, which can reduce calculation complexity remarkably, promote convergence speed and be realized with low physical cost. Also, a kind of implementation based on this method is presented.