Reconstruction of coverage hole model and cooperative repair optimization algorithm in heterogeneous wireless sensor networks

P Gou, G Mao, F Zhang, X Jia - Computer Communications, 2020 - Elsevier
Coverage hole repair not only determines whether the heterogeneous wireless sensor
networks (HWSNs) can work normally and effectively, but also determines the network …

DHD-MEPO: a novel distributed coverage hole detection and repair method for three-dimensional hybrid wireless sensor networks

P Gou, M Guo, B Guo, S Mao - Electronics, 2023 - mdpi.com
A coverage hole is a problem that cannot be completely avoided in three-dimensional hybrid
wireless sensor networks. It can lead to hindrances in monitoring tasks and adversely affect …

Distributed coverage hole detection and recovery scheme for heterogeneous wireless sensor networks

AM Khedr, W Osamy, A Salim - Computer Communications, 2018 - Elsevier
Abstract In Wireless sensor networks (WSNs), the coverage problem is a fundamental issue.
The coverage holes are generally caused by both, random deployment of the sensor nodes …

Distributed hybrid coverage hole recovery in wireless sensor networks

M Abolhasan, Y Maali, A Rafiei, W Ni - IEEE sensors journal, 2016 - ieeexplore.ieee.org
Coverage holes (CHs) can compromise the reliability and functionality of wireless sensor
networks. The recovery of CHs is challenging, especially in distributed applications where …

A mobile sensors dispatch scheme based on improved SOM algorithm for coverage hole healing

C Yang, S Su, X Ju, J Song - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
The coverage holes caused by sensor failures severely degraded quality of service (QoS) in
the sensing layer of Internet of Things (IoT). To improve the reliability and QoS of sensing …

HORA: A distributed coverage hole repair algorithm for wireless sensor networks

PK Sahoo, WC Liao - IEEE Transactions on Mobile Computing, 2014 - ieeexplore.ieee.org
In wireless sensor networks, random deployment of nodes may cause serious coverage
overlapping among the nodes and the original network may suffer severe coverage …

A distributed self-healing coverage hole detection and repair scheme for mobile wireless sensor networks

B Khalifa, Z Al Aghbari, AM Khedr - Sustainable Computing: Informatics …, 2021 - Elsevier
The most fundamental task of the wireless sensor network (WSN) is to monitor a specified
region of interest with sufficient sensor coverage. This task is jeopardized when coverage …

A coverage hole detection and repair algorithm in wireless sensor networks

X Feng, X Zhang, J Zhang, AA Muhdhar - Cluster Computing, 2019 - Springer
Coverage and connectivity are the basic issues in wireless sensor networks. In this paper, a
coverage hole detection and repair algorithm is proposed to solve the problem of network …

An efficient hole recovery method in wireless sensor networks

M Wu - 2022 24th International Conference on Advanced …, 2022 - ieeexplore.ieee.org
In a wireless sensor network, since sensor nodes are separated from the sensor network
area due to environmental obstacles or are randomly placed in the area of interest, there are …

[HTML][HTML] An improved coverage gap fixing method for heterogenous wireless sensor network based on Voronoi polygons

X Lu, Y Su, Q Wu, Y Wei, J Wang - Alexandria Engineering Journal, 2021 - Elsevier
The traditional fixing method for coverage gap in wireless sensor network (WSN) mainly
targets the homogenous networks, in which all nodes have the same detection radius. By …