| 一种改进的垂直分层空时码检测算法 |
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| 引用本文： | 张建忠,李宏伟,邓冬虎.一种改进的垂直分层空时码检测算法[J].信息与控制,2011,40(5). |
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| 作者姓名： | 张建忠 李宏伟 邓冬虎 |
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| 作者单位： | 空军工程大学电讯工程学院,陕西西安,710077 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 针对垂直分层空时码系统的最大似然检测算法运算复杂度大的缺点,将排序的QR分解算法和最大似然检测算法结合起来,给出了一种改进的垂直分层空时码检测算法.该算法既减少了最大似然检测算法的搜索次数,降低了计算量,又避免了层间干扰和误码扩散,提高了系统误码性能.最后的仿真验证了所提算法的有效性和实用性.
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| 关 键 词： | 多输入多输出 垂直分层空时码 运算复杂度 检测算法 |
An Improved Detection Algorithm for Vertical Bell Labs Layered Space-Time Coding |
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| ZHANG Jianzhong,LI Hongwei,DENG Donghu.An Improved Detection Algorithm for Vertical Bell Labs Layered Space-Time Coding[J].Information and Control,2011,40(5). |
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| Authors: | ZHANG Jianzhong LI Hongwei DENG Donghu |
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| Affiliation: | ZHANG Jianzhong,LI Hongwei,DENG Donghu (The Telecommunication Engineering Institute.Air Force Engineering University,Xi'an 710077,China) |
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| Abstract: | In order to overcome the high computational complexity of the maximum likelihood(ML) detection algorithm in vertical Bell labs layered space-time(V-BLAST) system,an improved V-BLAST detection algorithm is proposed with the combination of the the sorted QR decomposition(SQRD) algorithm and ML detection algorithm.The proposed algorithm can reduce the search times and computational burden of the ML detection algorithm while avoid the interlayer interference and bit error diffusion,so it improves the system's e... |
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| Keywords: | multiple input multiple output(MIMO) vertical Bell labs layered space-time(V-BLAST) computational complexity detection algorithm |
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