Two-stage adaptive and compressed CSI feedback for FDD massive MIMO

G Huang, A Liu, MJ Zhao - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
… division duplex (FDD) massive multiple-input multiple-output (MIMO) systems. We propose
massive MIMO channel. Then, by exploiting the dynamic burst-sparsity of the massive MIMO

Compressive sensing-based grant-free massive access for 6G massive communication

Z Gao, M Ke, Y Mei, L Qiao, S Chen… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
… Following this formulation, an OMP-based JADCE scheme was developed for GFMA in
single-station massive MIMO systems [102], and the sparsity of the delaydomain CIR was further …

Approximate message passing for downlink sparse channel estimation in FDD massive MIMO

N Dandanov, K Tonchev, V Poulkov… - … and Signal Processing …, 2019 - ieeexplore.ieee.org
… We consider a MU massive MIMO system with N = 100 antennas at the BS and K = 10
users. The channel model is the same burst-sparse model as utilized in [2] where the nonzero …

Structured-compressed-sensing-based impulsive noise cancelation for MIMO systems

S Liu, F Yang, X Wang, J Song… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
sparsity level (number of nonzero entries) is large. As an emerging and breakthrough theory
of sparse … at different receive antennas occur in a burst manner in the time domain. They are …

[PDF][PDF] A Robust Recovery of Block Sparse Channels in Massive MIMO-OFDM Systems

J Zhang, Y Su - Journal of Computers, 2021 - csroc.org.tw
… Specifically in this paper, the recovery of sparse channels in a massive MIMO-OFDM
system is described from two aspects - pilot design and reconstruction method. The relatively …

Evaluation of Channel Estimation Algorithms Using Practically Measured Channels in FDD Massive MIMO

N Dandanov, K Tonchev, V Poulkov… - Future Access Enablers for …, 2019 - Springer
… the spatially common sparsity of massive MIMO channels to … sparse structure in the recovered
channel whereas the burst … a burst sparse nature and could also be jointly burst sparse

Energy-efficient hybrid precoding with low complexity for mmWave massive MIMO systems

Y Liu, Q Feng, Q Wu, Y Zhang, M Jin, T Qiu - IEEE Access, 2019 - ieeexplore.ieee.org
sparsity signal reconstruction problem for hybrid precoding [20]–[22]. The hybrid precoding
is transformed into a sparse … , ‘‘A burst-form CSI estimation approach for FDD massive MIMO

Threshold-enhanced hierarchical spatial non-stationary channel estimation for uplink massive mimo systems

C Tan, D Cai, Y Xu, Z Ding, P Fan - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
… recovery problem, we consider an nonuniform block sparse matrix and model it as a
hierarchical sparse recovery problem. Two threshold-enhanced hierarchical estimation algorithms …

Sparsity-based joint NBI and impulse noise mitigation in hybrid PLC-wireless transmissions

M Elgenedy, MM Awadin, R Hamila, WU Bajwa… - IEEE …, 2018 - ieeexplore.ieee.org
… to enhance the asynchronous NBI sparsity. • We investigate sparsity-based mitigation algorithms
… Assuming known bursts’ boundaries (block sparse case1), we investigate the use of the …

An iterative massive-MIMO NOMA receiver with superimposed pilots based estimator for Sparse channels

SJ Nawaz, B Mansoor, MN Patwary… - … & Mobile Computing …, 2019 - ieeexplore.ieee.org
… The optimal range of TIR has been indicated for different number of BS antennas, sparsity
level, and transmission burst size. The range of TIR for which proposed SIP based method …