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Performance Analysis of Parametric Channel Estimation for 3D Massive MIMO/FD-MIMO OFDM Systems.

Shafin, Rubayet
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Abstract
With the promise of meeting future capacity demands for mobile broadband communications, 3D massive-MIMO/Full Dimension MIMO (FD-MIMO) systems have gained much interest among the researchers in recent years. Apart from the huge spectral efficiency gain offered by the system, the reason for this great interest can also be attributed to significant reduction of latency, simplified multiple access layer, and robustness to interference. However, in order to completely extract the benefits of massive-MIMO systems, accurate channel state information is very critical. In this paper, a channel estimation method based on direction of arrival (DoA) estimation is presented for massive-MIMO OFDM systems. To be specific, the DoA is estimated using Estimation of Signal Parameter via Rotational Invariance Technique (ESPRIT) method, and the root mean square error (RMSE) of the DoA estimation is analytically characterized for the corresponding MIMO-OFDM system.
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Date
2017-05-31
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Publisher
University of Kansas
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Keywords
Electrical engineering, Channel Estimation, DoA Estimation through ESPRIT, Massive MIMO Antenna, Massive MIMO/FD-MIMO
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