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 considers the problem of pilot contamination (PC) in large-scale multi-cell
multiple-input multiple-output-aided orthogonal frequency division multiplexing systems. We …

Pilot contamination constitutes a particularly significant impairment in large-scale multi-cell
systems. We propose an effective pilot contamination elimination scheme for multi-cell time …

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 …

Pilot contamination in the uplink (UL) can severely degrade the channel estimation quality at
the base station in a massive multi-input multi-output (MIMO) system. Thus, it is critical to …

Pilot contamination in the uplink (UL) can severely degrade the channel estimation quality at
the base station (BS) in a massive multi-input multi-output (MIMO) system. Thus, it is critical …

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 …

In this paper, we look into the issue of intra-cell uplink (UL) pilot orthogonalization and
schemes for mitigating the inter-cell pilot contamination with a realistic massive multi-input …

Pilot contamination limits the performance of a multi-cell time division duplex system with a
large number of base station antennas. We study the potential benefit of coordination during …

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 …