Massive multiple-input and multiple-output (MIMO) and heterogeneous networks (HetNets)
have been recognized as key enabling technologies for future fifth generation (5G) mobile …

Massive multiple-input and multiple-output (MIMO) and heterogeneous networks (HetNets)
have been recognized as potential technologies for the fifth generation mobile networks. On …

In this letter, we investigate the tradeoff between energy efficiency (EE) and spectral
efficiency (SE) while ensuring proportional rate fairness in massive multiple-input multiple …

Although the massive MIMO enabled heterogeneous networks (HetNets) can intensify the
spectral efficiency benefits, the proper user association and resource allocation are both …

This paper considers a hybrid heterogeneous network (HetNet), where macro cells adopt
massive multiple-input multiple-output (MIMO), and small cells adopt millimeter wave …

Massive multiple-input-multiple-output (MIMO) and small cell are both recognized as key
technologies for the future fifth-generation wireless systems. In this paper, we investigate the …

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

In this paper, we propose a general framework to study the tradeoff between energy
efficiency (EE) and spectral efficiency (SE) in massive multiple-input-multiple-output …

This paper investigates the energy efficient downlink transmission in distributed massive
multiple-input-multiple-output systems, where massive antennas are clustered on …

Two key traits of 5G cellular networks are much higher base station (BS) densities-especially
in the case of low-power BSs-and the use of massive MIMO at these BSs. This paper …