A comprehensive survey of pilot contamination in massive MIMO—5G system
Massive MIMO has been recognized as a promising technology to meet the demand for
higher data capacity for mobile networks in 2020 and beyond. Although promising, each …
higher data capacity for mobile networks in 2020 and beyond. Although promising, each …
Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for future research
Massive multiple-input multiple-output (MIMO) systems combined with beamforming
antenna array technologies are expected to play a key role in next-generation wireless …
antenna array technologies are expected to play a key role in next-generation wireless …
Survey of large-scale MIMO systems
The escalating teletraffic growth imposed by the proliferation of smartphones and tablet
computers outstrips the capacity increase of wireless communications networks …
computers outstrips the capacity increase of wireless communications networks …
Optimal pilot design in massive MIMO systems based on channel estimation
The performance of multicell massive multiple‐input multiple‐output (MIMO) systems is
heavily affected by pilot contamination. This study considers the problem of pilot …
heavily affected by pilot contamination. This study considers the problem of pilot …
Pilot contamination reduction in TDD‐based massive MIMO systems
Channel estimation in time division duplexing (TDD)‐based massive multiple‐input multiple‐
output (MIMO) systems is heavily hampered by the pilot contamination, which constitutes a …
output (MIMO) systems is heavily hampered by the pilot contamination, which constitutes a …
Vertex graph-coloring-based pilot assignment with location-based channel estimation for massive MIMO systems
Massive multiple-input multiple-output (MIMO) is considered as a promising technique in
wireless communication systems, which contains cellular base stations equipped with a very …
wireless communication systems, which contains cellular base stations equipped with a very …
Two-dimensional precoding for 3-D massive MIMO
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 …
(MMIMO) systems for efficiently exploiting the 2-D antenna array of the base station …
An improved multicell MMSE channel estimation in a massive MIMO system
K Li, X Song, MO Ahmad… - International Journal of …, 2014 - Wiley Online Library
Massive MIMO is a promising technology to improve both the spectrum efficiency and the
energy efficiency. The key problem that impacts the throughput of a massive MIMO system is …
energy efficiency. The key problem that impacts the throughput of a massive MIMO system is …
Location-aware pilot assignment for massive MIMO systems in heterogeneous networks
We investigate the heterogeneous cellular network (HetNet) where the macrocell base
stations (MBSs) are equipped with very large antenna arrays. Since such a combined …
stations (MBSs) are equipped with very large antenna arrays. Since such a combined …
Location-based channel estimation and pilot assignment for massive MIMO systems
In this paper, a location-based channel estimation algorithm is proposed for massive multi-
input multi-output (MIMO) systems. By utilizing the property of the steering vector, a fast …
input multi-output (MIMO) systems. By utilizing the property of the steering vector, a fast …