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

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 …

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 …

Massive multiple-input multiple-output (MIMO) is widely recognized as a promising
technology for future 5G wireless communication systems. To achieve the theoretical …

To fully exploit both multiplexing gain and array gain of massive multiple-input-
multipleoutput (MIMO), the channel state information must be obtained accurately at …

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

This paper addresses the problem of uplink (UL) and downlink (DL) channel estimation in
frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems …

This paper proposes a spatially common sparsity based adaptive channel estimation and
feedback scheme for frequency division duplex based massive multi-input multi-output …