Generalized locally most powerful tests for distributed sparse signal detection

A Mohammadi, D Ciuonzo, A Khazaee… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper we tackle distributed detection of a localized phenomenon of interest (POI)
whose signature is sparse via a wireless sensor network. We assume that both the position …

Sparse bayesian estimation of parameters in linear-gaussian state-space models

B Cox, V Elvira - IEEE Transactions on Signal Processing, 2023 - ieeexplore.ieee.org
State-space models (SSMs) are a powerful statistical tool for modelling time-varying systems
via a latent state. In these models, the latent state is never directly observed. Instead, a …

Weighted diffusion continuous mixed p-norm algorithm for distributed estimation in non-uniform noise environment

M Korki, H Zayyani - Signal Processing, 2019 - Elsevier
This paper presents weighted diffusion least mean p-power (LMP) algorithm for distributed
estimation of an unknown sparse vector in a sensor network. We consider a network, in …

Detection of sparse stochastic signals with quantized measurements in sensor networks

X Wang, G Li, PK Varshney - IEEE Transactions on Signal …, 2019 - ieeexplore.ieee.org
In this paper, we consider the problem of detection of sparse stochastic signals with
quantized measurements in sensor networks. The observed sparse signals are assumed to …

Markovian adaptive filtering algorithm for block-sparse system identification

Z Habibi, H Zayyani - … Transactions on Circuits and Systems II …, 2021 - ieeexplore.ieee.org
In this brief, a novel adaptive filtering algorithm for block-sparse system identification called,
Block-Sparse Adaptive Bayesian Algorithm (BS-ABA) is proposed. We use a Gaussian …

Detection of sparse signals in sensor networks via locally most powerful tests

X Wang, G Li, PK Varshney - IEEE Signal Processing Letters, 2018 - ieeexplore.ieee.org
We consider the problem of detection of sparse stochastic signals with a distributed sensor
network. Multiple sensors in the network are assumed to observe sparse signals, which …

Multi-bit distributed detection of sparse stochastic signals over error-prone reporting channels

L Mao, S Yan, Z Sui, H Li - IEEE Transactions on Signal and …, 2024 - ieeexplore.ieee.org
We consider a distributed detection problem within a wireless sensor network (WSN), where
a substantial number of sensors cooperate to detect the existence of sparse stochastic …

Diffusion maximum versoria criterion algorithms robust to impulsive noise

S Zandi, M Korki - Digital Signal Processing, 2022 - Elsevier
This paper proposes robust diffusion maximum versoria criterion algorithms to enhance the
performance of the distributed estimation in a network of agents under impulsive noise …

Quaternion block sparse representation for signal recovery and classification

C Zou, KI Kou, Y Wang, YY Tang - Signal Processing, 2021 - Elsevier
This paper presents a quaternion block sparse representation (QBSR) method for structural
sparse signal recovery in quaternion space. Due to the noncommutativity of quaternion …

Novel recovery algorithms for block sparse signals with known and unknown borders

N Haghighatpanah, RH Gohary - IEEE Transactions on Signal …, 2022 - ieeexplore.ieee.org
This paper presents two novel Bayesian learning recovery algorithms for block sparse
signals corresponding to two distinct cases. In the first case, the signals within each block …