基于线性变换的MMSE盲多用户检测法

Blind Multiuser Detection Based on Linear Transform and MMSE for CDMA Systems

提出了一种基于线性变换和预测的盲多用户检测方法,可同时消除MAI和ISI.它仅利用了某特定用户的扩频序列,先进行线性变换和线性预测,再进行MMSE检测.由于不进行直接信道估计,避免了信道估计误差,使算法的准确性得到了提高.

A blind multiuser detector based on linear transform and prediction for CDMA systems is proposed. It can eliminate MAI and ISI simultaneously. Using only the spreading sequences of the desired user, we first process the received signals by linear prediction. Next, MMSE detectors are obtained without explicit channel estimation. This avoids any channel estimation error, and the resulting method is more accurate.