Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static Clustering

Wireless sensor networks (WSNs) play a vital role in modern applications such as healthcare, smart cities, and environmental monitoring. However, their potential is often limited by energy constraints, which reduce the lifetime of the network and the data collection capabilities. To address this cha...

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Main Authors: Thierry Taning Longla, Tansal Gucluoglu, Tamer Dag
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
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Online Access:https://ieeexplore.ieee.org/document/11086577/
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author Thierry Taning Longla
Tansal Gucluoglu
Tamer Dag
author_facet Thierry Taning Longla
Tansal Gucluoglu
Tamer Dag
author_sort Thierry Taning Longla
collection DOAJ
description Wireless sensor networks (WSNs) play a vital role in modern applications such as healthcare, smart cities, and environmental monitoring. However, their potential is often limited by energy constraints, which reduce the lifetime of the network and the data collection capabilities. To address this challenge, we propose KDL, a novel hybrid clustering algorithm that combines K-Nearest Neighbor (KNN) and Density-Based Spatial Clustering (DBSCAN) to optimize energy efficiency in WSNs. KDL first uses KNN to analyze internode distances and determine optimal clustering parameters, which guide DBSCAN in forming robust clusters. After clustering, KNN reassigns noise points to appropriate clusters, improving coverage. Next, an energy-aware cluster head (CH) selection mechanism, inspired by LEACH but enhanced with node energy levels and cluster centroid distances, ensures balanced energy consumption. In addition, a relay-assisted communication strategy optimizes data transmission by strategically placing relay nodes between the CH and the base station. Through extensive simulations, KDL shows significant performance improvements over existing approaches, substantially enhancing network lifetime while maintaining energy efficiency. These advancements position KDL as a promising solution for real-world energy-efficient WSN deployments.
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spelling doaj-art-b453bf56abf94e9c8c765d296346aee02025-08-20T02:47:15ZengIEEEIEEE Access2169-35362025-01-011312786812788410.1109/ACCESS.2025.359079011086577Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static ClusteringThierry Taning Longla0https://orcid.org/0009-0006-9159-735XTansal Gucluoglu1https://orcid.org/0000-0002-4090-005XTamer Dag2Electronics and Communications Engineering Department, Yildiz Technical University, Istanbul, TürkiyeElectronics and Communications Engineering Department, Yildiz Technical University, Istanbul, TürkiyeCollege of Engineering and Technology, American University of the Middle East, Egaila, KuwaitWireless sensor networks (WSNs) play a vital role in modern applications such as healthcare, smart cities, and environmental monitoring. However, their potential is often limited by energy constraints, which reduce the lifetime of the network and the data collection capabilities. To address this challenge, we propose KDL, a novel hybrid clustering algorithm that combines K-Nearest Neighbor (KNN) and Density-Based Spatial Clustering (DBSCAN) to optimize energy efficiency in WSNs. KDL first uses KNN to analyze internode distances and determine optimal clustering parameters, which guide DBSCAN in forming robust clusters. After clustering, KNN reassigns noise points to appropriate clusters, improving coverage. Next, an energy-aware cluster head (CH) selection mechanism, inspired by LEACH but enhanced with node energy levels and cluster centroid distances, ensures balanced energy consumption. In addition, a relay-assisted communication strategy optimizes data transmission by strategically placing relay nodes between the CH and the base station. Through extensive simulations, KDL shows significant performance improvements over existing approaches, substantially enhancing network lifetime while maintaining energy efficiency. These advancements position KDL as a promising solution for real-world energy-efficient WSN deployments.https://ieeexplore.ieee.org/document/11086577/Wireless sensor networkdensity-based spatial clustering (DBSCAN) with noise applicationK-nearest neighbor (KNN)low-energy adaptive clustering hierarchy (LEACH)relay nodes
spellingShingle Thierry Taning Longla
Tansal Gucluoglu
Tamer Dag
Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static Clustering
IEEE Access
Wireless sensor network
density-based spatial clustering (DBSCAN) with noise application
K-nearest neighbor (KNN)
low-energy adaptive clustering hierarchy (LEACH)
relay nodes
title Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static Clustering
title_full Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static Clustering
title_fullStr Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static Clustering
title_full_unstemmed Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static Clustering
title_short Relay-Assisted Wireless Sensor Networks Using KNN-DBSCAN Static Clustering
title_sort relay assisted wireless sensor networks using knn dbscan static clustering
topic Wireless sensor network
density-based spatial clustering (DBSCAN) with noise application
K-nearest neighbor (KNN)
low-energy adaptive clustering hierarchy (LEACH)
relay nodes
url https://ieeexplore.ieee.org/document/11086577/
work_keys_str_mv AT thierrytaninglongla relayassistedwirelesssensornetworksusingknndbscanstaticclustering
AT tansalgucluoglu relayassistedwirelesssensornetworksusingknndbscanstaticclustering
AT tamerdag relayassistedwirelesssensornetworksusingknndbscanstaticclustering