新的基于训练序列的MIMO-OFDM时域信道估计方法OA北大核心CSCDCSTPCD
New channel estimation algorithm in time-domain for MIMO-OFDM system based on training sequences
为了实现多输入多输出-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.将使用的训练序列在时间上呈现正交性,同时利用训练序列本身良好的相关特性简便、精确估计出信道的冲激响应.通过理论分析和计算机仿真证明,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,在具有同样估计精度的同时,避免了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 in time-domain estimation algorithm for MIMO-OFDM system. It gave estimation criteria and training patterns in great detail. The new channel estimation algorithm made the training sequence be orthogonal in time, and due to the correlation of the proposed training patterns, the channel estima…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
多输入多输出一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 (6)
2271-2273,3
评论