Non-orthogonal multiple access (NOMA) has been recently considered in millimeter-wave
(mmWave) massive MIMO systems to further enhance the spectrum efficiency. In addition …

In this letter, we investigate the energy efficiency (EE) problem in a millimeter wave massive
MIMO system with non-orthogonal multiple access (NOMA). Multiple two-user clusters are …

In this paper, the energy efficiency (EE) maximization problem is studied for an uplink
millimeter wave massive multiple-input multiple-output system with non-orthogonal multiple …

Integrating massive multiple input multiple output (MIMO) architecture and non-orthogonal
multiple access (NOMA) technology is deemed as a promising solution to the gridlock of …

The emerging millimeter-wave massive multiple-input multiple-output (MIMO) with lens
antenna arrays, which is also known as “beamspace MIMO,” can effectively reduce the …

The recent concept of beamspace multiple input multiple output (MIMO) can significantly
reduce the number of required radio frequency (RF) chains in millimeter-wave (mmWave) …

Cell-free massive multiple-input multiple-output (mMIMO) is regarded as a promising
technology in the future wireless communication. This paper aims to minimize the downlink …

In this paper, we propose an energy-efficient resource allocation scheme for a wireless
power transfer (WPT) enabled multi-user massive multiple-input multiple-output system with …

Hybrid precoding is a promising technique for mmWave massive MIMO systems, as it can
considerably reduce the number of required radio-frequency (RF) chains without obvious …

Ultra-dense HetNets (UDN)-based Millimeter-Wave (mmWave) massive MIMO is considered
a promising technology for 5th generation (5G) wireless communications systems since it …