Massive multiple-input multiple-output (MIMO) is a powerful supporting technology to meet
the energy/spectral efficiency and reliability requirement of Internet of Things (IoT) network …

Channel state information (CSI) is indispensable to fully unleash the great potentials of
massive multiple-input multiple-output (MIMO) systems. In this paper, we propose a pattern …

In order to realize the advantages of the massive MIMO systems, the channel state
information must be obtained at the base station (BS). However, it is a challenging task in …

Massive multiple-input multiple-output (MIMO) enables reliability in low latency
communication systems. This paper proposes a channel estimation scheme in orthogonal …

Although the hybrid analog–digital processing reduces the hardware complexity to realize
massive multiple-input multiple-output system, it increases the difficulty of channel …

Massive multiple input multiple output (MIMO) systems are a promising technology for next
generation wireless communications due to their ability to increase capacity and enhance …

Massive multi-input multi-output (MIMO) has been recognized as a key technology for 5G
communication system due to the high array gain and spectral efficiency. To redeem the …

This letter is concerned with the downlink channel estimation in frequency division duplex
(FDD) massive multiple-input multiple-output (MIMO) system. With the number of antennas …

Massive MIMO is a promising technique for future 5G communications due to its high
spectrum and energy efficiency. To realize its potential performance gain, accurate channel …

How to obtain accurate channel state information (CSI) at the transmitter with less pilot
overhead for frequency division duplexing (FDD) massive multiple-input multiple-output …