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OALib Journal期刊
ISSN: 2333-9721
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Blind scheme for channel estimation with high accuracy
无线移动通信系统中提高信道估计精度盲方法

Keywords: orthogonal frequency division multiplexity (OFDM),channel estimation,blind method
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,信道估计,盲方法,无线移动通信系统,信道,估计精度,常规方法,high,accuracy,channel,estimation,scheme,特征参数,天等,雷达,估计性能,表现,信噪比,时间,时延扩展,仿真,收敛速度,最小,权系数,信息函数

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Abstract:

A blind least mean square (LMS) scheme was proposed. The new scheme could trace the channel characteristic adaptively through time-variance gain design. And the decision information function in receiver was also adopted to correct the gain. Simulation shows that the new scheme has better performances with high accuracy and fast convergence than that of the LMS method, in terms of different time delay spread, time and signal noise rate (SNR).

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