Downlink compressive channel estimation with phase noise in massive MIMO systems

R Zhang, B Shim, H Zhao - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Phase noise (PN) introduced by the oscillator at the base station and user side severely
degrades the channel estimation performance. This paper investigates the impact of PN on …

Semi-Blind Sparse Channel Estimation Using Regularized Expectation Maximization

F Rahimpour, M Azghani - Digital Signal Processing, 2024 - Elsevier
In Massive multiple-input multiple-output (MIMO) systems, channel estimation is crucial. The
large size of the antennas causes a significant pilot and feedback overhead, making it …

Hierarchical sparse channel estimation for massive MIMO

G Wunder, I Roth, M Barzegar, A Flinth… - WSA 2018; 22nd …, 2018 - ieeexplore.ieee.org
The problem of wideband massive MIMO channel estimation is considered. Targeting for
low complexity algorithms as well as small training overhead, a compressive sensing (CS) …

Angular-domain channel estimation for one-bit massive MIMO systems: Performance bounds and algorithms

F Liu, H Zhu, C Li, J Li, P Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We consider angular-domain channel estimation in massive MIMO systems using one-bit
analog-to-digital converters (ADCs) with various thresholding schemes at the receivers. We …

Deep learning-based channel estimation for massive MIMO systems

CJ Chun, JM Kang, IM Kim - IEEE Wireless Communications …, 2019 - ieeexplore.ieee.org
In this letter, we propose a deep learning (DL)-based channel estimation scheme for the
massive multiple-input multiple-output (MIMO) system. Unlike existing studies, we develop …

Massive-MIMO iterative channel estimation and decoding (MICED) in the uplink

D Verenzuela, E Björnson, X Wang… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Massive MIMO uses a large number of antennas to increase the spectral efficiency (SE)
through spatial multiplexing of users, which requires accurate channel state information. It is …

Pilot-aided channel estimation for massive MIMO systems in TDD-mode using Walsh-Hadamard transformed subsampled data at the base station

Y Tian, ME Magaña - Wireless Personal Communications, 2021 - Springer
Massive MIMO has been adopted for 5G communications due to its wide spectrum and
energy efficiency. To realize its potential performance, however, accurate channel state …

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 …

[HTML][HTML] Robust Bayesian learning approach for massive MIMO channel estimation

J Dai, L Zhou, C Chang, W Xu - Signal Processing, 2020 - Elsevier
This paper addresses the problem of massive multiple-input multiple-output (MIMO) channel
estimation in the presence of impulsive noise. In the literature, a sparse Bayesian learning …

Compressed Sensing‐Based Sparsity Adaptive Doubly Selective Channel Estimation for Massive MIMO Systems

W Kong, H Li, W Zhang - Wireless Communications and Mobile …, 2019 - Wiley Online Library
By exploiting the sparsity of the channel in the delay and angle domains, compressed
sensing (CS) algorithms can be used for channel estimation of massive multiple‐input …