A 2-D precoding scheme is proposed for 3-D massive multiple-input multiple-output
(MMIMO) systems for efficiently exploiting the 2-D antenna array of the base station …

Pilot contamination (PC) is a stumbling block in theway of realizing massive multi-input multi-
output (MIMO) systems. This contribution proposes a location-aware channel estimation …

This letter considers a noncoherent two-user uplink system, where each user has a single
antenna and a base station is equipped with a large number of antennas. It is assumed that …

Massive multiple‐input multiple‐output (MIMO) is a breakthrough wireless transmission
technique proposed for future wireless standards due to its spectrum and energy …

Pilot contamination (PC) is a major impediment of large-scale multi-cell multiple-input
multiple-output systems. Hence, we propose an optimal pilot design for time-domain …

This paper investigates optimal resource allocation scheme for a typical uplink single-cell
massive MIMO system over spatially correlated fading channels. To reduce the pilot …

This paper addresses the problem of pilot contamination in multi-cell multiuser Large-Scale
Multiple-Input Multiple-Output (LS-MIMO) aided orthogonal frequency division multiplexing …

We revisit the pilot contamination problem using the LTE pilot frame structure, and perform
channel estimation in the time domain using Zadoff-Chu pilot sequences. Sequences in …

We propose a novel time‐shift pilot scheme to mitigate the pilot contamination in large‐scale
multicell multiuser MIMO (LS‐MIMO) systems. In the proposed scheme, the length of the …

A non-reused pilot (NRP) design scheme is presented for Large-scale multi-cell multiuser
multiple-input multiple-output (LS-MIMO) systems. As the users at the cell edge suffer from …