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交织分多址MIMO系统的迭代多用户检测

DOI: 10.13190/jbupt.200605.125.171, PP. 125-129

Keywords: 多入多出,交织分多址,迭代多用户检测

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Abstract:

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SoIC算法约1dB,有较低的误码率和复杂度。

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