本文選題：信道估計(jì) + Taylor級(jí)數(shù)��； 參考：《電信科學(xué)》2016年12期

【摘要】：為降低大規(guī)模MIMO信道估計(jì)的復(fù)雜度,提出一種基于Kapteyn級(jí)數(shù)展開的信道估計(jì)方法。通過Taylor級(jí)數(shù)把協(xié)方差逆矩陣展開,從而降低信道估計(jì)的復(fù)雜度。為提高Taylor-MMSE估計(jì)的收斂速度,采用Kapteyn級(jí)數(shù)對(duì)協(xié)方差矩陣進(jìn)行展開。仿真結(jié)果表明,Kapteyn-MMSE估計(jì)的均方誤差(MSE)收斂速度明顯快于Taylor-MMSE,不足的是Kapteyn-MMSE復(fù)雜度略高于Taylor-MSME,但仍遠(yuǎn)小于經(jīng)典MMSE算法。
[Abstract]:In order to reduce the complexity of large-scale MIMO channel estimation, a channel estimation method based on Kapteyn series expansion is proposed. The covariance inverse matrix is expanded by Taylor series to reduce the complexity of channel estimation. In order to improve the convergence rate of Taylor-MMSE estimation, the covariance matrix is expanded by Kapteyn series. The simulation results show that the mean square error (MSE) of Kapteyn-MMSE estimation converges much faster than that of Taylor-MMSE, and the Kapteyn-MMSE complexity is slightly higher than that of Taylor-MSME, but still much less than the classical MMSE algorithm.
【作者單位】： 東南大學(xué)信息科學(xué)與工程學(xué)院;北京郵電大學(xué)網(wǎng)絡(luò)與交換技術(shù)國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(No.61571108,No.61471164) 東南大學(xué)移動(dòng)通信國(guó)家重點(diǎn)實(shí)驗(yàn)室自主研究基金資助項(xiàng)目(No.2016B02) 網(wǎng)絡(luò)與交換技術(shù)國(guó)家重點(diǎn)實(shí)驗(yàn)室(北京郵電大學(xué))開放課題基金資助項(xiàng)目(No.SKLNST-2016-2-14)~~
【分類號(hào)】：TN919.3
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本文編號(hào)：1780865