The tradeoff between energy efficiency (EE) and spectral efficiency (SE) provides a new
perspective for the transmit design in satellite communications (SATCOM), ie, one can jointly …

As a key technology for future wireless networks, massive multiple-input multiple-output
(MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), and …

In this paper, we consider massive multiple-input-multiple-output (MIMO) communication
systems with a uniform planar array (UPA) at the base station (BS) and investigate the …

In this paper, we investigate the downlink robust precoding with imperfect channel state
information (CSI) for massive multiple-input-multiple-output (MIMO) communications. With …

In recent years, satellite communications have become the focus of research on space–air–
ground–sea integrated wireless communication networks because of their wide coverage …

Mobility and blockage are two critical challenges in wireless transmission over millimeter-
wave (mmWave) and Terahertz (THz) bands. In this paper, we investigate network massive …

In this paper, a novel beam domain channel model (BDCM) for sixth generation (6G) ultra-
massive multiple-input multiple-output (MIMO) wireless communication systems is proposed …

We investigate energy efficiency (EE) optimization for single-cell massive multiple-input
multiple-output (MIMO) downlink transmission with only statistical channel state information …

Satellite communication is an indispensable part of future wireless communications given its
global coverage and long-distance propagation. In satellite communication systems …

This paper investigates the energy efficiency (EE) optimization in downlink multi-cell
massive multiple-input multiple-output (MIMO). In our research, the statistical channel state …