Impact of topology on performance and energy efficiency in wireless sensor networks for source extraction

H Chen, KT Chi, J Feng - IEEE Transactions on Parallel and …, 2009‏ - ieeexplore.ieee.org
In this paper, the problem of source extraction in bandwidth-constrained wireless sensor
networks is considered. The sensor observations are assumed to be instantaneous linear …

Cluster-based correlated data gathering in wireless sensor networks

A Dabirmoghaddam, M Ghaderi… - … on Modeling, Analysis …, 2010‏ - ieeexplore.ieee.org
We consider the problem of optimal cluster-based data gathering in Wireless Sensor
Networks (WSNs) when nearby readings are spatially correlated. Due to the dense nature of …

Noise variance estimation in signal processing

D Makovoz - 2006 IEEE International Symposium on Signal …, 2006‏ - ieeexplore.ieee.org
We present a new method of estimating noise variance. The method is applicable for ID and
2D signal processing. The essence of this method is estimation of the scatter of normally …

On the optimal randomized clustering in distributed sensor networks

A Dabirmoghaddam, M Ghaderi, C Williamson - Computer Networks, 2014‏ - Elsevier
Cluster-based data gathering is widely used in wireless sensor networks, primarily to
overcome scalability issues. While clustering is not the most efficient means of gathering …

Performance of power-constrained estimation in hierarchical wireless sensor networks

MH Chaudhary, L Vandendorpe - IEEE Transactions on Signal …, 2012‏ - ieeexplore.ieee.org
In this paper we study estimation in a power-constrained wireless sensor network, where the
network is divided into disjoint groups called clusters. The sensors in each cluster observe a …

Decentralized estimation over noisy channels in cluster‐based wireless sensor networks

G Liu, B Xu, H Chen - International Journal of Communication …, 2012‏ - Wiley Online Library
In this paper, the problem of decentralized parameter estimation over noisy channels in a
cluster‐based sensor network is studied. Each cluster head generates a local estimate by …

Energy-Efficient Scheduling for Distributed Estimation in Wireless Sensor and Actuator Networks with Kriging.

G Liu, B Xu, H Chen, C Zhang… - Adhoc & Sensor Wireless …, 2015‏ - search.ebscohost.com
Earlier works have investigated the problem of distributed estimation in wireless sensor and
actuator networks (WSANs) under packet loss. However, observation correlation was not …

Adaptive quantization for distributed estimation in cluster-based wireless sensor networks

G Liu, B Xu, H Chen, C Zhang, J **ang… - AEU-International Journal …, 2014‏ - Elsevier
In this paper, the problem of parameter estimation in cluster-based wireless sensor networks
is studied. Particularly, we focus on how to choose a suitable threshold in the one-bit …

Coordinate-Oriented Clustered Chain Based Routing Protocol (COCCBRP) for Wireless Sensor Network

K Deep, S Rani, P Jain… - 2023 3rd International …, 2023‏ - ieeexplore.ieee.org
Wireless sensor networks employ a variety of techniques such as data recycling, power
management, and energy-aware routing protocols to reduce power consumption. Clustering …

Balancing energy consumption and average end-to-end delay for optimum routing protocol in wireless sensor networks

M Elsersy - 2013‏ - prism.ucalgary.ca
Abstract Wireless Sensor Networks (WSN) have a power source limitation constraint, which
affects the full functionality of its nodes. Existing research focuses on extending the lifetime …