中文摘要：

提出了一种多入多出交织分多址（MIMO-IDMA）系统的迭代多用户检测架构．通过不同的码片级交织序列识别用户，检测器采用了新颖的基于均值的软判决多用户检测（Sod）算法．仿真表明，所提出的基于IDMA的SoD检测算法比传统MMSE线性检测算法性能改善约2dB，优于SolC算法约1dB，有较低的误码率和复杂度.

英文摘要：

An iterative multi-user detection receiver structure is proposed for multiple input multiple output interleave division multiple access（MIMO-IDMA） systems. Different chip-level interleaving signatures distinguish users. A novel mean-based soft decision multi-user detection（SoD） algorithm is applied in multi-user detector. Simulation results show that the proposed SoD detection scheme improves the performance in signal noise ratio （SNR） around 2 dB compared to minimum mean square error（MMSE）, 1 dB superior to soft interference cancellation（SoIC）, and has lower bit error rate and complexity.