mlsanityData to 7 Oct 2026

Toward Next Generation Open Radio Access Network--What O-RAN Can and Cannot Do!

arXiv 2111.13754 ↗First posted 26 Nov 2021cs.NI cs.SY eess.SYcited by 18

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Abstract (arXiv)

The open radio access network (O-RAN) describes an industry-driven open architecture and interfaces for building next generation RANs with artificial intelligence (AI) controllers. We circulated a survey among researchers, developers, and practitioners to gather their perspectives on O-RAN as a framework for 6G wireless research and development (R&D). The majority responded in favor of O-RAN and identified R&D of interest to them. Motivated by these responses, this paper identifies the limitations of the current O-RAN specifications and the technologies for overcoming them. We recognize end-to-end security, deterministic latency, physical layer real-time control, and testing of AI-based RAN control applications as the critical features to enable and discuss R&D opportunities for extending the architectural capabilities of O-RAN as a platform for 6G wireless.

Key facts. Cited by 18 papers in the map (data through 7 Oct 2026). First posted on arXiv 26 Nov 2021.

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Cited by year (2026 to 7 Oct)

Citing papers per year: 2022: 3; 2023: 2; 2024: 2; 2025: 3; 2026: 8.

18 papers.

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  1. 2025LLM-hRIC: LLM-empowered Hierarchical RAN Intelligent Control for O-RANcited by 6
  2. 2022Actor-Critic Network for O-RAN Resource Allocation: xApp Design, Deployment, and Analysiscited by 5
  3. 2023Safe and Accelerated Deep Reinforcement Learning-based O-RAN Slicing: A Hybrid Transfer Learning Approachcited by 5
  4. 2026ML-Enabled Open RAN: A Comprehensive Survey of Architectures, Challenges, and Opportunitiescited by 4
  5. 2022Intelligent Closed-loop RAN Control with xApps in OpenRAN Gymcited by 2
  6. 2023FROST: Towards Energy-efficient AI-on-5G Platforms -- A GPU Power Capping Evaluationcited by 2
  7. 2024Generative AI for O-RAN Slicing: A Semi-Supervised Approach with VAE and Contrastive Learningcited by 1
  8. 2024OpenRANet: Neuralized Spectrum Access by Joint Subcarrier and Power Allocation with Optimization-based Deep Learningcited by 1
  9. 20266G Communication Networks Enabling Embodied Agents: Architecture and Prototypecited by 1
  10. 2026AI-Native Closed-Loop Security for 6G-Enabled Cyber-Physical Systems: From Edge Detection to Network-Wide Mitigationcited by 1
  11. 2026Confounding-Valid Conformal Inference for Counterfactual KPIs in Wireless Networkscited by 1
  12. 2022Need of 6G for the Metaverse Realizationcited by 0
6 more
  1. 2025Federated Neuroevolution O-RAN: Enhancing the Robustness of Deep Reinforcement Learning xAppscited by 0
  2. 2025RL-Driven Security-Aware Resource Allocation Framework for UAV-Assisted O-RANcited by 0
  3. 2026Next Generation Intelligent Low-Altitude Economy Deployments: The O-RAN Perspectivecited by 0
  4. 2026Detecting Control and Response Events for AI-Enabled Radio Access Networkscited by 0
  5. 2026Explainable Runtime Dependency Tracking for AI-RAN Conflict Monitoringcited by 0
  6. 2026AI-RAN on NPUs: Baseband Processing Without Baseband Chipscited by 0