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

In this letter, we design an association strategy to maximize the weighted sum energy
efficiency (EE) for massive multiple-input and multiple-output (MIMO)-enabled …

With the dense deployment of small cells, the impact of height difference between base
stations (BSs) and user equipment (UE) on the performance of heterogeneous networks …

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 …

Traditional macro-cellular wireless networks are not capable of delivering even throughputs
to all the users due to large variations in slow fading and inter-cell and inter-user …

In this paper, we investigate the limitation of multi-user multiple-input multiple-output (MIMO)
in ultra-dense networks (UDNs) and investigate how to overcome the limitation by designing …

Massive multiple-input multiple-output (MIMO) systems can attain a high channel capacity
and spectral efficiency by using a very large antenna array at the base station (BS) …

With the incitation to reduce power consumption and the aggressive reuse of spectral
resources, there is an inevitable trend towards the deployment of small-cell networks by …

Assume that a multi-user multiple-input multiple-output (MIMO) system is designed from
scratch to uniformly cover a given area with maximal energy efficiency (EE). What are the …

The existing cellular networks are being modified under the umbrella of fifth generation (5G)
networks to provide high data rates with optimum coverage. Current cellular systems …