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联合信道编码的Golden码检测

DOI: 10.13190/jbupt.201004.21.wuych, PP. 21-25

Keywords: Golden码,高斯近似,最小均方误差,球形译码

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Abstract:

为分析级联信道编码Golden码系统的迭代检测性能并降低迭代检测算法的复杂度,利用软符号干扰消除的思想,提出采用高斯近似和最小均方误差(MMSE)算法来计算迭代检测过程中所需的比特软信息.根据Golden码的传输特性,推导出适合该系统的软比特信息计算方法.理论分析证明,与传统的listspheredecodemaximumaposteriori(LSDMAP)算法相比,高斯近似和MMSE算法具有复杂度低的优点.仿真结果表明,新算法的迭代检测性能接近于LSDMAP算法,可以实现Golden码的快速迭代检测.

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