Low-complexity blind parameter estimation in wireless systems with noisy sparse signals

A Gallyas-Sanhueza, C Studer - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Baseband processing algorithms often require knowledge of the noise power, signal power,
or signal-to-noise ratio (SNR). In practice, these parameters are typically unknown and must …

Blind SNR estimation and nonparametric channel denoising in multi-antenna mmWave systems

A Gallyas-Sanhueza, C Studer - ICC 2021-IEEE International …, 2021 - ieeexplore.ieee.org
We propose blind estimators for the average noise power, receive signal power, signal-to-
noise ratio (SNR), and mean-square error (MSE), suitable for multi-antenna millimeter wave …

Implementation and measurement of blind wireless receiver for single carrier systems

S Majhi, M Kumar, W Xiang - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Theoretical studies on nondata aided (blind) parameter estimation algorithms for signals
have been carried out over the past decades. However, most of them have not been …

[HTML][HTML] Cramér–Rao Bounds for DoA Estimation of Sparse Bayesian Learning with the Laplace Prior

H Bai, MF Duarte, R Janaswamy - Sensors, 2022 - mdpi.com
In this paper, we derive the Cramér–Rao lower bounds (CRLB) for direction of arrival (DoA)
estimation by using sparse Bayesian learning (SBL) and the Laplace prior. CRLB is a lower …

Blind estimation of sparse broadband massive MIMO channels with ideal and one-bit ADCs

A Mezghani, AL Swindlehurst - IEEE Transactions on Signal …, 2018 - ieeexplore.ieee.org
We study the maximum likelihood problem for the blind estimation of massive mmWave
MIMO channels while taking into account their underlying sparse structure, the temporal …

Blind channel estimation for multicarrier systems with narrowband interference suppression

H Li - IEEE Communications Letters, 2003 - ieeexplore.ieee.org
We present herein a novel blind channel estimator for multicarrier (MC) systems in the
presence of unmodeled narrowband interference. A generalized multichannel minimum …

Blind estimation and low-rate sampling of sparse MIMO systems with common support

Y Xiong, YM Lu - … Conference on Acoustics, Speech and Signal …, 2012 - ieeexplore.ieee.org
We present a blind estimation algorithm for multi-input and multi-output (MIMO) systems with
sparse common support. Key to the proposed algorithm is a matrix generalization of the …

Sequential Bayesian algorithms for identification and blind equalization of unit-norm channels

CJ Bordin, MGS Bruno - IEEE Signal Processing Letters, 2015 - ieeexplore.ieee.org
In many estimation problems of interest, the unknown parameters reside on spherical
manifolds. As most common filtering algorithms assume that parameters have Gaussian …

Application of Bayesian hierarchical prior modeling to sparse channel estimation

NL Pedersen, CN Manchón, D Shutin… - 2012 IEEE …, 2012 - ieeexplore.ieee.org
Existing methods for sparse channel estimation typically provide an estimate computed as
the solution maximizing an objective function defined as the sum of the log-likelihood …

Low complexity sparse Bayesian learning for channel estimation using generalized mean field

NL Pedersen, CN Manchón… - European Wireless 2014; …, 2014 - ieeexplore.ieee.org
We derive low complexity versions of a wide range of algorithms for sparse Bayesian
learning (SBL) in underdetermined linear systems. The proposed algorithms are obtained by …