In multi‐cell massive multiple‐input multiple‐output (MIMO) cellular networks, pilot
contamination (PC) caused by ineluctable pilot reuse severely restricts the system …

In multi-user Massive MIMO (M-MIMO) TDD systems, the performance of achievable rates in
UL/DL is limited by pilot contamination with the number of BS antennas grows. On the basis …

Massive Multiple-input Multiple-output (MIMO) is an emerging technology for the 5G wireless
communication systems which has the potential to provide high spectral efficient and …

A massive multiple-input multiple-output (MIMO) system, which utilizes a large number of
antennas at the base station (BS) to serve multiple users, suffers from pilot contamination …

This paper proposes a new precoding approach that utilizes two-dimension (2D) Angle of
Arrival (AOA) based precoding (beamforming) approach for multi-cell massive Multiple Input …

Base stations with a large number of transmit antennas can potentially serve a large number
of users at high rates. However, the receiver processing in the uplink relies on channel …

Pilot contamination has now been noted as a significant barrier to the accurate calculation of
channel state information (CSI). A heterogeneous massive multiple-input-multiple-output …

Massive multiple-input multiple-output (MIMO) is a promising technology to improve spectral
efficiency (SE). However, because of limited pilot resources for channel estimation, pilot …

This paper concerns the uplink of multicell multiuser multiple-input multiple-output (MIMO)
systems. To tackle the effect of pilot contamination that is generally viewed as a bottleneck in …

Pilot contamination (PC) is a performance limiting factor in multicell massive multiple‐input–
multiple‐output systems. The PC may cause the channel estimation of users in the desired …