一种新颖的低复杂度MIMO-BICM迭代接收机设计

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一种新颖的低复杂度MIMO-BICM迭代接收机设计

更新时间：2025-07-08

- 一种新颖的低复杂度MIMO-BICM迭代接收机设计
- Acta Electronica Sinica Issue S1, Pages: 127-130(2007)
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  CLC： TN85
- Published：2007
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[J]. Acta Electronica Sinica, 2007, (S1): 127-130.
DOI：

[J]. Acta Electronica Sinica, 2007, (S1): 127-130. DOI：

摘要

本文提出了一种用于多入多出(MIMO)比特交织编码调制(BICM)系统的低复杂度迭代接收机方案.该方案在第一次迭代中采用线性最小均方误差(MMSE)滤波

而在随后的迭代中采用一种低复杂度MMSE结合软干扰消除(SIC)的算法来抑制残余干扰和噪声.该算法通过将软干扰消除后的残余干扰和噪声的各分量近似为不相关的随机变量

使得在MMSE滤波时不必矩阵求逆

从而大大降低了计算复杂度.仿真证实该方案可以获得和传统的基于MMSE结合SIC的方案几乎相同的性能.

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