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STBC-VBLAST的QRD-M检测 被引量：1

QRD-M Detector for STBC-VBLAST
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摘要 提出一种针对IEEE802.11n中STBC-VBLAST结构的新型QRD-M检测算法,在存活路径拣选过程中,根据接收信号估计值确定备选节点的有限搜索范围,在16-QAM和64-QAM调制下,比常规算法分别减少约70%和90%的运算量,大大降低了VBLAST-STBC数据检测的复杂度,适合于VLSI硬件实现。仿真结果表明,该算法在性能上非常接近于传统QRD-M算法,能够在复杂度和检测性能之间实现折中。 A simplified QRD-M algorithm for the IEEE 802.11n STBC-VBLAST is proposed. In order to carry out a limited tree search, each surviving path is expanded only to its partial branches according to the estimation of the symbol to be detected. The proposed scheme can reduce 70% and 90% fundamental operations for 16-QAM and 64-QAM respectively. So the computational complexity is reduced significantly and is more attractive to the VLSI implementation. Simulation results prove that the proposed scheme can achieve a performance very close to the conventional QRD-M algorithm, and yield a tradeoff between the complexity and performance.
作者 鉴海防 胡东伟 肖宛昂 石寅
机构地区 中国科学院半导体研究所 中国科学院微电子研究所
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2010年第6期940-943,共4页 Journal of University of Electronic Science and Technology of China
基金 江苏省科技成果转化专项资金(BA2006076)
关键词 检测器 IEEE802.11N 多入多出 QRD-M 空时分组码-垂直贝尔实验室分层空时码 detector IEEE802.11n MIMO QRD-M STBC-VBLAST
分类号 TN47 [电子电信—微电子学与固体电子学]
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参考文献10

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二级参考文献1

共引文献1

同被引文献12

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电子科技大学学报
2010年 第6期

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