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一种基于统计裁剪的球形译码算法 被引量:1

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摘要 球形译码的半径对译码的复杂度有很大的影响。文章在卡方分布特性的基础上设计了一种基于统计裁剪的改进球形译码算法,该算法通过减去估算出来的未检测层的半径的大小,达到对当前检测层的半径进行缩减的目的;同时综合考虑了信道的影响,对均方误差较大的列进行ML检测,剩余信号进行树裁剪的SD算法。仿真表明,该算法大大降低了球形译码的算法复杂度。
作者 周曼 林云
机构地区 重庆邮电大学
出处 《广东通信技术》 2013年第5期72-76,共5页 Guangdong Communication Technology
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参考文献9

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同被引文献13

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