Massive MIMO is a promising technique to provide unprecedented spectral efficiency.
However, it has been well recognized that huge training overhead for obtaining channel …

Massive multiple-input-multiple-output (MIMO) is a promising technique for providing
unprecedented spectral efficiency. However, it has been well recognized that the excessive …

Channel state information (CSI) at the base station (BS) is required to fully exploit the
advantages of massive MIMO. However, due to massive BS antennas, the estimation and …

We propose a novel method for massive multiple-input multiple-output (massive MIMO) in
frequency division duplexing (FDD) systems. Due to the large frequency separation between …

A key challenge for frequency-division duplexing (FDD) massive multi-input multi-output
(MIMO) is the large overhead in acquiring channel state information (CSI) for transmits …

We propose a channel state information acquisition mechanism to reduce the training
overhead in frequency-division duplexing (FDD) massive multiple-input multiple-output …

In this paper, we propose a novel method for efficient implementation of a massive Multiple-
Input Multiple-Output (massive MIMO) system with Frequency Division Duplexing (FDD) …

Transmitter channel state information (CSIT) is indispensable for the spectral efficiency
gains offered by massive multiple-input multiple-output (MIMO) systems. In a frequency …

Massive multiple-input-multiple-output (MIMO) has been regarded as one of the key
technologies for fifth-generation wireless networks, as it can significantly improve both the …

Channel state information at the transmitter (CSIT) is essential for frequency-division
duplexing (FDD) massive MIMO systems, but conventional solutions involve overwhelming …