Multi-layer precoding: A potential solution for full-dimensional massive MIMO systems

A Alkhateeb, G Leus, RW Heath - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Pilot contamination precoding was proposed in [13] to overcome the … -scale MIMO channels
[14], we propose to design the precoding matrix Fc as a product of a number of precoding

Data aided quasistatic and doubly-selective CSI estimation using affine-precoded superimposed pilots in millimeter wave MIMO-OFDM systems

S Srivastava, J Nath… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
… Abstract—This paper proposes affine-precoded superimposed pilot (SIP) design, followed
by channel state information (CSI) estimation techniques for millimeter wave (mmWave) MIMO

Pilot power control for cell-free massive MIMO

TC Mai, HQ Ngo, M Egan… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
… uplink and precode the transmit symbols in the downlink. Nonorthogonality of pilot sequences
… To reduce the effect of pilot contamination, we propose a pilot power control design, which …

Mitigating pilot contamination in massive MIMO system—5G: An overview

O Elijah, CY Leow, AR Tharek… - 2015 10th Asian …, 2015 - ieeexplore.ieee.org
… estimate with the other BS or to a network hub which computes the PCP precoding matrices.
The computed lth precoded matrices are then forwarded to each corresponding BS for …

Resource allocation optimization in multi-user multi-cell massive MIMO networks considering pilot contamination

TM Nguyen, VN Ha, LB Le - Ieee access, 2015 - ieeexplore.ieee.org
… We will explicitly consider channel estimation effects on the precoding and system performance
… The estimated CSI is then utilized to determine precoding vectors for transmitting users’ …

Precoding for multicell massive MIMO systems with compressive rank-q channel approximation

SLH Nguyen, A Ghrayeb - 2013 IEEE 24th Annual International …, 2013 - ieeexplore.ieee.org
… -output (MIMO) systems, the pilot contamination effect in the uplink channel training and the
intercell interference in the downlink severely degrade the overall network achievable rates. …

A unified framework for precoding and pilot design for FDD symbol-level precoding

J Zhang, C Masouros - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
… a unified precoding and pilot design framework, that allows minimal and precoding-sensitive …
• We propose a unified precoding and pilot design optimization (UPPiDO) framework …

On the estimation of slow-fading coefficients for pilot contamination precoding

J Choi, J Ha - 2014 IEEE 79th Vehicular Technology …, 2014 - ieeexplore.ieee.org
… While massive MIMO has various advantages, its performance … pilot contamination. To
mitigate the intercell interference resulting from pilot contamination, pilot contamination precoding (…

Two dimension angle of arrival-based precoding for pilot contamination reduction in multi-cell massive MIMO systems

E Ali, M Ismail, NF Abdullah, R Nordin, M Balfaqih… - … Networks, 2020 - Springer
… to select the optimum method for the proposed precoding. We initially analyze the uplink
performance of an m-MIMO system under pilot contamination and develop a corresponding Mc-…

Linear precoding for downlink massive MIMO with delayed CSIT and channel prediction

A Papazafeiropoulos… - … and Networking …, 2014 - ieeexplore.ieee.org
… of the RZF precoder under the effects of delayed CSI and pilot contamination, as well as
they reveal the benefits of necessary channel prediction in massive MIMO cellular networks. …