Thanks to the channel reciprocity, the time division duplex (TDD) operation is more preferred
in massive multiple-input multiple-output (MIMO) systems. Avoiding the heavy feedback of …

Channel reciprocity in time-division duplexing (TDD) massive multiple-input multiple-output
(MIMO) systems can be exploited to reduce the overhead required for the acquisition of …

Massive multiple-input multiple-output (MIMO) has been regarded as one of the key
technologies of fifth-generation cellular systems due to its excellent performance in spectral …

Time-division duplex (TDD)-based massive MIMO systems rely on the reciprocity of the
wireless propagation channels when calculating the downlink precoders based on uplink …

Due to hardware mismatch, the channel reciprocity of time-division duplex massive multiple-
input multiple-output system is impaired. Under this condition, there exist several different …

Massive multiple-input multiple-output (MIMO) is a profitable technique to greatly boost
spectral efficiency, which has been embraced by the fifth-generation (5G) and sixth …

This paper is concerned with a multi-cell downlink (DL) massive multiple-input multiple-
output (MIMO) system operating over spatially correlated Rician fading channels. We not …

Massive multiple-input multiple-output (m-MIMO) is considered as an essential technique to
meet the high data rate requirements of future sixth generation (6G) wireless …

As an important part of the channel fading, large scale fading should be considered in
downlink massive multiple-input multiple-output (MIMO) systems. This paper investigates the …

Massive multiple-input multiple-output (MIMO) is a promising technique to greatly increase
the spectral efficiency and may be adopted by the next generation mobile communication …