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Applying Machine Learning for Anomaly Detection in Wireless Sensor Networks
Subject area: Science,Engineering and Technology · Area of research: Machine Learning
Abstract
Wireless Sensor Networks (WSNs) have become integral to a wide range of applications, including environmental monitoring, industrial automation, and smart cities. However, their distributed and resource-constrained nature makes them particularly vulnerable to anomalies arising from hardware malfunctions, communication failures, or security attacks. Accurate and timely anomaly detection is crucial to maintain the reliability, security, and performance of these networks. In recent years, machine learning (ML) techniques have emerged as powerful tools to enhance anomaly detection capabilities in WSNs by enabling systems to learn complex patterns of normal behavior and identify deviations indicative of anomalies. This report explores the application of various machine learning models for anomaly detection in WSNs. We provide a comprehensive overview of supervised, unsupervised, and semi-supervised learning approaches, highlighting their suitability for different types of WSN data and deployment scenarios. Techniques such as k-Nearest Neighbors (k-NN), Support Vector Machines (SVM), Decision Trees, Isolation Forests, Autoencoders, and clustering algorithms like k-Means and DBSCAN are examined for their performance in detecting both point anomalies and contextual anomalies.
Keywords
Wireless Sensor Networks (WSN), Anomaly Detection, Machine Learning, Outlier Detection, Intrusion Detection, Fault Detection, Energy Efficiency. Supervised Learning, Unsupervised Learning, Classification, Clustering, SVM, KNN, Random Forest, Neural Networks.
References
[1] Chandola, V., Banerjee, A., & Kumar, V. (2009). Anomaly detection: A survey. ACM Computing Surveys, 41(3), 1–58. – A foundational work covering statistical, machine learning, and hybrid techniques, including their application in Wireless Sensor Networks.
[2] Rajasegarar, S., Leckie, C., & Palaniswami, M. (2008). Anomaly detection in wireless sensor networks. IEEE Wireless Communications, 15(4), 34–40. – Focuses on clustering and distributed ML-based methods tailored for WSN anomaly detection.
[3] Ding, M., Tian, Y., & Liu, X. (2013). Fault-tolerant anomaly detection in wireless sensor networks using SVM. International Journal of Distributed Sensor Networks, 9(5), 1–10. – Explores Support Vector Machines for classifying abnormal sensor readings.
[4] Malhotra, P., et al. (2015). Long Short-Term Memory networks for anomaly detection in time series. ESANN. – Demonstrates LSTM networks for detecting anomalies in sequential sensor data.
[5] Rassam, M. A., Zainal, A., & Maarof, M. A. (2013). Advancements of data anomaly detection research in Wireless Sensor Networks: A survey and open issues. Sensors, 13(8), 10087–10122. – Reviews ML-based, hybrid, and trust-enhanced methods.
[6] Xie, M., Hu, J., & Chen, S. (2011). Scalable anomaly detection in wireless sensor networks. IEEE Communications Letters, 15(6), 638–640. – Proposes scalable ML methods for resource-constrained WSNs.
[7] Krishnamachari, B., Estrin, D., & Wicker, S. (2002). The impact of data aggregation in wireless sensor networks. IEEE ICDCSW. – Highlights data reduction strategies useful before ML-based anomaly detection.
[8] Kumar K., Pradeepa M., Mahdal M., Verma S., RajaRao
[9] Ahmed, M., Mahmood, A.N., and Hu, J. (2016). A survey of neetwork anamoly detection techniques. Journal of Network and computer applications, 60,19-13. -Discusses ML-based anomaly detection with relevance to WSNs.
[10] Ahmed, M., Mahmood, A. N., & Hu, J. (2016). A survey of network anomaly detection techniques. Journal of Network and Computer Applications, 60, 19–31. – Discusses ML-based anomaly detection with relevance to WSNs.
[11] Janakiram, D., Reddy, V., & Kumar, A. (2006). Outlier detection in wireless sensor networks using Bayesian belief networks. IEEE PerCom Workshops. – Early application of probabilistic ML models in WSN anomaly detection.
[12] Zhang, Y., Meratnia, N., & Havinga, P. (2010). Outlier detection techniques for wireless sensor networks: A survey. IEEE Communications Surveys & Tutorials, 12(2), 159–170. – Focuses on ML and statistical methods for outlier detection.
[13] Al-Karaki, J. N., & Kamal, A. E. (2004). Routing techniques in wireless sensor networks: A survey. IEEE Wireless Communications, 11(6), 6–28. – Discusses routing anomalies and the role of ML-based detection.
How to cite this paper
@article{1710586,
author = {Veena V, Nikitha B, Prachi kachhap, Sandhya A K, Deepti N N},
title = {Applying Machine Learning for Anomaly Detection in Wireless Sensor Networks},
journal = {Iconic Research And Engineering Journals},
year = {2025},
volume = {9},
number = {3},
pages = {652-655},
issn = {2456-8880},
url = {https://www.irejournals.com/formatedpaper/1710586.pdf},
abstract = {Wireless Sensor Networks (WSNs) have become integral to a wide range of applications, including environmental monitoring, industrial automation, and smart cities. However, their distributed and resource-constrained nature makes them particularly vulnerable to anomalies arising from hardware malfunctions, communication failures, or security attacks. Accurate and timely anomaly detection is crucial to maintain the reliability, security, and performance of these networks. In recent years, machine learning (ML) techniques have emerged as powerful tools to enhance anomaly detection capabilities in WSNs by enabling systems to learn complex patterns of normal behavior and identify deviations indicative of anomalies. This report explores the application of various machine learning models for anomaly detection in WSNs. We provide a comprehensive overview of supervised, unsupervised, and semi-supervised learning approaches, highlighting their suitability for different types of WSN data and deployment scenarios. Techniques such as k-Nearest Neighbors (k-NN), Support Vector Machines (SVM), Decision Trees, Isolation Forests, Autoencoders, and clustering algorithms like k-Means and DBSCAN are examined for their performance in detecting both point anomalies and contextual anomalies.},
keywords = {Wireless Sensor Networks (WSN), Anomaly Detection, Machine Learning, Outlier Detection, Intrusion Detection, Fault Detection, Energy Efficiency. Supervised Learning, Unsupervised Learning, Classification, Clustering, SVM, KNN, Random Forest, Neural Networks.},
month = {September},
}