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  • Open Access

    ARTICLE

    An AI/ML Framework-Driven Approach for Malicious Traffic Detection in Open RAN

    Suhyeon Lee1, Hwankuk Kim2,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.145, No.2, pp. 2657-2682, 2025, DOI:10.32604/cmes.2025.070627 - 26 November 2025

    Abstract The open nature and heterogeneous architecture of Open Radio Access Network (Open RAN) undermine the consistency of security policies and broaden the attack surface, thereby increasing the risk of security vulnerabilities. The dynamic nature of network performance and traffic patterns in Open RAN necessitates advanced detection models that can overcome the constraints of traditional techniques and adapt to evolving behaviors. This study presents a methodology for effectively detecting malicious traffic in Open RAN by utilizing an Artificial-Intelligence/Machine-Learning (AI/ML) Framework. A hybrid Transformer–Convolutional-Neural-Network (Transformer-CNN) ensemble model is employed for anomaly detection. The proposed model generates final More >

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  • Open Access

    REVIEW

    An Investigation on Open-RAN Specifications: Use Cases, Security Threats, Requirements, Discussions

    Heejae Park1, Tri-Hai Nguyen2, Laihyuk Park1,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.141, No.1, pp. 13-41, 2024, DOI:10.32604/cmes.2024.052394 - 20 August 2024

    Abstract The emergence of various technologies such as terahertz communications, Reconfigurable Intelligent Surfaces (RIS), and AI-powered communication services will burden network operators with rising infrastructure costs. Recently, the Open Radio Access Network (O-RAN) has been introduced as a solution for growing financial and operational burdens in Beyond 5G (B5G) and 6G networks. O-RAN promotes openness and intelligence to overcome the limitations of traditional RANs. By disaggregating conventional Base Band Units (BBUs) into O-RAN Distributed Units (O-DU) and O-RAN Centralized Units (O-CU), O-RAN offers greater flexibility for upgrades and network automation. However, this openness introduces new security More >

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