衰落信道下多用户检测器的研究

The Study of Multiuser Detection in Fading Channel

论述了在瑞利衰落信道下ＣＤＭＡ多用户信号检测技术，分析了此情况下，最佳多用户检测器系统模型．提出了一种次最佳多用户检测器，并对其系统性能进行了分析比较．结果显示，随着分集数的增加，该检测器性能随之提高，且其性能优于传统检测器．

Multiuser signals detection for CDMA on Rayleigh fading channels is considered. The model multiuser detector is analyzed, and a novel near optimal multiuser detector proposed. It is showed that bit error rate of this near optimal detector has an advantage over one of conventional detector. With enhancing the number of diversity,its performance is improved.