Distributed adaptive quantization for wireless sensor networks: From delta modulation to maximum likelihood

J Fang, H Li - IEEE Transactions on Signal Processing, 2008 - ieeexplore.ieee.org
We consider distributed parameter estimation using quantized observations in wireless
sensor networks (WSNs) where, due to bandwidth constraint, each sensor quantizes its local …

Mitigating quantization effects on distributed sensor fusion: A least squares approach

S Zhu, C Chen, J Xu, X Guan, L Xie… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we consider the problem of sensor fusion over networks with asymmetric links,
where the common goal is linear parameter estimation. For the scenario of bandwidth …

Power constrained distributed estimation with correlated sensor data

J Fang, H Li - IEEE Transactions on Signal Processing, 2009 - ieeexplore.ieee.org
We consider distributed estimation of a random scalar parameter in a power constrained
wireless sensor network (WSN), where the measurements are sent from the sensors to the …

Optimal/near-optimal dimensionality reduction for distributed estimation in homogeneous and certain inhomogeneous scenarios

J Fang, H Li - IEEE Transactions on Signal Processing, 2010 - ieeexplore.ieee.org
We consider distributed estimation of a deterministic vector parameter from noisy sensor
observations in a wireless sensor network (WSN). The observation noise is assumed …

Relative acoustic transfer function estimation in wireless acoustic sensor networks

J Zhang, R Heusdens… - IEEE/ACM Transactions …, 2019 - ieeexplore.ieee.org
In this paper, we present an algorithm to estimate the relative acoustic transfer function
(RTF) of a target source in wireless acoustic sensor networks (WASNs). Two well-known …

Power constrained distributed estimation with cluster-based sensor collaboration

J Fang, H Li - IEEE Transactions on Wireless Communications, 2009 - ieeexplore.ieee.org
We consider the problem of distributed estimation in a power constrained collaborative
wireless sensor network (WSN), where the network is divided into a set of sensor clusters …

Joint sensor selection and multihop routing for distributed estimation in ad-hoc wireless sensor networks

S Shah, B Beferull-Lozano - IEEE Transactions on Signal …, 2013 - ieeexplore.ieee.org
This paper considers the problem of power-efficient distributed estimation of vector
parameters related to localized phenomena so that both sensor selection and routing …

Performance analysis of distributed estimation for data fusion using a statistical approach in smart grid noisy wireless sensor networks

C Seneviratne, PADSN Wijesekara, H Leung - Sensors, 2020 - mdpi.com
Internet of Things (IoT) can significantly enhance various aspects of today's electric power
grid infrastructures for making reliable, efficient, and safe next-generation Smart Grids (SGs) …

Rate-distributed spatial filtering based noise reduction in wireless acoustic sensor networks

J Zhang, R Heusdens… - IEEE/ACM Transactions …, 2018 - ieeexplore.ieee.org
In wireless acoustic sensor networks (WASNs), sensors typically have a limited energy
budget as they are often battery-driven. Energy efficiency is, therefore, essential for the …

Distributed rate-constrained LCMV beamforming

J Zhang, AI Koutrouvelis, R Heusdens… - IEEE Signal …, 2019 - ieeexplore.ieee.org
In this letter, we propose a decentralized framework for rate-distributed linearly constrained
minimum variance (LCMV) beamforming in wireless acoustic sensor networks. To save the …