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Author:

刘飞 (刘飞.) | 黎海涛 (黎海涛.)

Indexed by:

CQVIP PKU CSCD

Abstract:

一般K-Best MIMO检测器将系统模型实数化分解后译码层数成倍增加,同时搜索树中每层保留的累积距离度量的排序选择运算也将占用大量资源.为降低硬件实现复杂度,本文提出了一种新型K-Best MIMO检测器,它利用信道矩阵实数化分解后相邻两列的正交性改进了QR分解的脉动阵列结构;采用新的树搜索结构,仅对晟高两层信号的欧氏距离增量进行排序,可同时并行处理相邻两层信号,减少了排序选择运算和树搜索次数.仿真结果表明,与传统结构的K-Best检测器相比,设计的检测器降低了系统时延和计算复杂度,节省了大量硬件资源,且具有略好的BER性能.

Keyword:

排序 QR分解 K-Best算法 MIMO检测

Author Community:

  • [ 1 ] [刘飞]北京工业大学
  • [ 2 ] [黎海涛]北京工业大学

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Source :

电路与系统学报

ISSN: 1007-0249

Year: 2011

Issue: 6

Volume: 16

Page: 35-40

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 7

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