To improve spectral efficiency and link reliability of a massive multiple-input multiple-output
system, the downlink channel state information (CSI) should be fed back to the base station …

Accurate channel state information (CSI) is critical to harvest the potential gain brought by
massive multiple-input multiple-output (MIMO). However, the acquisition of downlink CSI is …

Channel state information (CSI) feedback in massive MIMO systems is too large due to large
pilot overhead. It is due to the large channel matrix dimension which depends on the …

Accurate channel state information (CSI) is essential to realize the potential advantages of
massive MIMO. However, the overhead required by conventional channel estimation and …

A novel data-assisted channel estimation scheme is proposed for uplink massive multiple-
input multiple-output (MIMO) systems to alleviate the performance bottleneck due to pilot …

In this paper, channel estimation problem for downlink massive multi-input multi-output
(MIMO) system is considered. Motivated by the observation that channels in massive MIMO …

In this paper, we consider the uplink channel parameter estimation problem in the presence
of pilot contamination for massive multiple-input-multiple-output (MIMO) systems. We …

Massive multiple-input multiple-output (MIMO) systems have attracted extensive attention
recently due to their potentials to provide high system capacity. To obtain the benefits of …

Channel-state-information (CSI) feedback methods are considered, especially for massive
or very large-scale multiple-input multiple-output (MIMO) systems. To extract essential …

Massive multiple-input multiple-output (MIMO) is becoming a key technology for future 5G
cellular networks. Channel feedback for massive MIMO is challenging due to the …