Near-optimal pilot allocation in sparse channel estimation for massive MIMO OFDM systems

Y Nan, X Sun, L Zhang - 2015 International Symposium on …, 2015 - ieeexplore.ieee.org
Inspired by the success in sparse signal recovery, compressive sensing has already been
applied for the pilot-based channel estimation in massive multiple input multiple output …

Compressive sensing based channel estimation for massive MIMO communication systems

A Waseem, A Naveed, S Ali, M Arshad… - Wireless …, 2019 - Wiley Online Library
Massive multiple‐input multiple‐output (MIMO) is believed to be a key technology to get
1000x data rates in wireless communication systems. Massive MIMO occupies a large …

Sparse channel estimation via hierarchical hybrid message passing for massive MIMO-OFDM systems

X Liu, W Wang, X Song, X Gao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we investigate a sparse channel estimation problem for broadband massive
multiple-input-multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) …

Sparse channel estimation for massive MIMO-OFDM systems over time-varying channels

Q Qin, L Gui, B Gong, S Luo - IEEE Access, 2018 - ieeexplore.ieee.org
For downlink orthogonal frequency division multiplexing-based massive multiple-input-
multiple-output transmission over the time-varying channel, channel estimation is very …

Low-complexity channel estimation in 5G massive MIMO-OFDM systems

OA Saraereh, I Khan, Q Alsafasfeh, S Alemaishat… - Symmetry, 2019 - mdpi.com
Pilot contamination is the reuse of pilot signals, which is a bottleneck in massive multi-input
multi-output (MIMO) systems as it varies directly with the numerous antennas, which are …

Compressive channel estimation exploiting block sparsity in multi-user massive MIMO systems

W Xu, T Shen, Y Tian, Y Wang… - 2017 IEEE Wireless …, 2017 - ieeexplore.ieee.org
Massive multiple input multiple output (MIMO) is a promising technology that can enhance
the wireless communication capacity due to increased degrees of freedom. To fully utilize …

Improved sparse channel estimation for multi-user massive MIMO systems with compressive sensing

A Wang, Y Wang, L Jiang - 2015 International Conference on …, 2015 - ieeexplore.ieee.org
Massive multiple input multiple output (MIMO) is a promising technology for the next
generation communication system to increase data rate and throughput. To fully enhance …

Joint channel estimation algorithm via weighted Homotopy for massive MIMO OFDM system

Y Nan, X Sun, L Zhang - Digital Signal Processing, 2016 - Elsevier
Massive (or large-scale) multiple-input multiple-output (MIMO) orthogonal frequency division
multiplexing (OFDM) system is widely acknowledged as a key technology for future …

Collapsed VBI-DP based structured sparse channel estimation algorithm for massive MIMO-OFDM

X Lu, CN Manchón, Z Wang - IEEE Access, 2019 - ieeexplore.ieee.org
Massive multiple input multiple output (MIMO) technology significantly improves the capacity
of wireless communication systems by deploying hundreds of antennas at the base station …

Channel Estimation Techniques in the MIMO-OFDM System

AA Joy, MN Faruq, MA Matin - Enabling Technologies for Next …, 2020 - taylorfrancis.com
Massive multiple-input multiple-output (MIMO) has been attracted and widely considered as
a key technology for future wireless networks. To maximize the gain of massive MIMO, the …