With the growing interest in the deployment of massive multiple-input-multiple-output (MIMO)
systems and millimeter wave technology for fifth generation wireless systems, the …

Massive multiple-input multiple-output (MIMO) has been seen as a promising technology to
improve the spectrum efficiency (SE), reliability and energy efficiency (EE) for the next …

To relieve the stress on channel estimation and decoding complexity in cell-free massive
multiple-input multiple-output (MIMO) systems, user grouping problem is investigated in this …

Energy efficiency (EE) is a critical design when taking into account circuit power
consumption (CPC) in fifth-generation cellular networks. These problems arise because of …

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 …

A joint antenna selection and power allocation scheme is proposed for a downlink massive
multiple-input multiple-output system under perfect channel state information. Based on a …

Massive multiple‐input multiple‐output or massive MIMO system has great potential for 5th
generation (5G) wireless communication systems as it is capable of providing game …

In this paper, we consider the downlink of a multi-cell multiple-input multiple-output system
and find the jointly optimal number of base station (BS) antennas and transmission powers …

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 …

Massive multi-input–multi-output (MIMO) systems are crucial to maximizing energy efficiency
(EE) and battery-saving technology. Achieving EE without sacrificing the quality of service …