一种新的基于训练序列的MIMO-OFDM信道估计方法OA北大核心CSCDCSTPCD
New Channel estimation algorithm for MIMO-OFDM system based on training sequences
为了实现MIMO-OFDM(多输入多输出一正交频分复用)系统的相干检测,提出一种新的基于训练序列的信道估计方法.详细阐述了算法的估计准则和训练序列的构造方法.利用训练序列良好的相关特性简便、精确估计出信道的频域响应及其冲激响应.通过理论分析和计算机仿真说明,新的算法对比最佳训练序列的LS(最小二乘法)时域估计方法,具有同样的估计精度,同时避免复杂的矩阵求逆运算,使计算复杂度进一步降低.
In order to achieve MIMO-OFDM (multiple-input multiple-output orthogonal frequency-division multiplexing) system ' s coherent detection, this paper proposed a new channel estimation algorithm for MIMO-OFDM system. It gave estimation criteria and training patterns in great detail. Due to the correlation of the proposed training patterns, the channel estimation could be acquired conveniently and accurately. Through theoretical analysis and computer simulation,…查看全部>>
李冬秀;舒勤
四川大学电气信息学院,成都610065四川大学电气信息学院,成都610065
信息技术与安全科学
多输入多输出—正交频分复用信道估计训练序列最小二乘法
multiple-input multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM)channel estimationtraining patternleast squares (LS)
《计算机应用研究》 2012 (5)
1835-1837,3
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