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Open RAN: Evolution of Architecture, Deployment Aspects, and Future Directions

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arxiv 2301.06713 v1 pith:VJZWGYIE submitted 2023-01-17 cs.NI

Prabhu Kaliyammal Thiruvasagam , Chandrasekar T , Vinay Venkataram , Vivek Raja Ilangovan , Maneesha Perapalla , Rajisha Payyanur , Senthilnathan M D , Vishal Kumar
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Kokila J
This is my paper · ORCID
classification cs.NI
keywords openaspectsnetworko-ranactivitiesdeploymentdirectionsdiscuss
verification ladder T0 review T1 audit T2 compute T3 formal
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The Open Radio Access Network (Open RAN) aims to enable disaggregated, virtualized, programmable, and data-driven intelligent network with open interfaces to support various real-time and non-real-time applications for different classes of users and multiple industry verticals in beyond 5G and 6G networks while providing interoperability among multi-vendor network functions and components. In this article, we first discuss the evolution of RAN and then the O-RAN Alliance standardization activities and objectives to provide a comprehensive overview of O-RAN from a standardization point of view. Then, we discuss the O-RAN security aspects, use cases, deployment aspects, and open source projects and related activities in other forums. Finally, we summarize the open issues, challenges, and future research directions to explore further for in-depth study and analysis.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 11 citations worldwide. Full citation record

  1. AI5GTest: AI-Driven Specification-Aware Automated Testing and Validation of 5G O-RAN Components

    cs.NI 2025-06 conditional novelty 6.0 of 10

    An LLM-based framework that generates expected O-RAN and 3GPP procedural flows from standards and validates captured signaling logs against them, reporting 100% accuracy on 15 testbed instances and under an hour per t...

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