Results 1 to 10 of about 87 (86)

Toward Modular and Flexible Open RAN Implementations in 6G Networks: Traffic Steering Use Case and O-RAN xApps [PDF]

Sensors, 2021
The development of cellular wireless systems has entered the phase when 5G networks are being deployed and the foundations of 6G solutions are being identified.
Marcin Dryjański, Łukasz Kułacz, Adrian Kliks   +2 more
doaj   +2 more sources

User Association and Load Balancing Based on Monte Carlo Tree Search

IEEE Access, 2023
The user association algorithm for 5G ultra-dense heterogeneous networks (UD-HetNets) comprising multi-tier base stations is becoming increasingly complex.
Hyeon-Min Yoo, Jung-Mo Moon, Jeehyeon Na, Een-Kee Hong   +3 more
doaj   +1 more source

O-RAN architecture, interfaces, and standardization: Study and application to user intelligent admission control

Frontiers in Communications and Networks, 2023
Open radio access network (O-RAN), driven by O-RAN Alliance is based on the disaggregation of the traditional RAN systems into radio unit (RU), distributed unit (DU) and central unit (CU) components. It provides a unique opportunity to reduce the cost of
Mohammad Alavirad, Umair Sajid Hashmi, Marwan Mansour, Ali Esswie, Ramy Atawia, Gwenael Poitau, Morris Repeta   +6 more
doaj   +1 more source

Mitigating ML-Driven Adversarial Attacks on xApps Using Dynamic Defense Mechanisms

IEEE Open Journal of the Communications Society
The open radio access network architecture (O-RAN) architecture leverages intelligent near-real-time applications, known as xApps, to optimize network performance and services.
Prudhvi Kumar Kakani, Mohammad Asif Habibi, Manjunath Reddy Chavva Balannagari, Xavier Costa-Perez, Hans D. Schotten   +4 more
doaj   +1 more source

Detecting Out-of-Order Control Messages in O-RAN: Dataset, Benchmarks, and Early-Warning Models

IEEE Open Journal of the Communications Society
The Open Radio Access Network (O-RAN) architecture introduces openness, programmability, and multi-vendor xApp innovation through the Near-Real-Time RAN Intelligent Controller (Near-RT RIC).
Hams Gelban, Rouaa Naim, Ahmed Badawy
doaj   +1 more source

ORAN-HAutoscaling: A Scalable and Efficient Resource Optimization Framework for Open Radio Access Networks with Performance Improvements

Information
Open Radio Access Networks (ORANs) are transforming the traditional telecommunications landscape by offering more flexible, vendor-independent solutions.
Sunil Kumar
doaj   +1 more source

Explainable and Conflict-Aware Cell Sleep Control in O-RAN via Monotonic Neural Additive Models

IEEE Open Journal of the Communications Society
AI-driven xApps for Open Radio Access Network (O-RAN) energy saving achieve substantial power reductions, but they operate as opaque models. Operators cannot audit their decisions, decompose them for cross-xApp conflict negotiation, or constrain them ...
Aubida A. Al-Hameed, Abrar S. Alhazmi, Safwan Hafeedh Younus, Ahmad J. Showail, Mohamad A. Ahmed   +4 more
doaj   +1 more source

Security Threats to xApps Access Control and E2 Interface in O-RAN

IEEE Open Journal of the Communications Society
Open Radio Access Networks (O-RANs) represent a novel wireless access network architecture that decomposes traditional RAN functions and makes them openly accessible.
Cheng-Feng Hung, You-Run Chen, Chi-Heng Tseng, Shin-Ming Cheng   +3 more
doaj   +1 more source

Deep Learning for Intelligent and Automated Network Slicing in 5G Open RAN (ORAN) Deployment

IEEE Open Journal of the Communications Society
5G and beyond networks are considered a catalyst for emerging IoT applications and services by providing ultra-reliable connectivity and massive connections to billions of IoT sensors and devices.
Shu-Ping Yeh, Sonia Bhattacharya, Rashika Sharma, Hassnaa Moustafa   +3 more
doaj   +1 more source

Near Real-Time Data-Driven Adaptive RAN Slicing of VR Traffic in ORAN

IEEE Open Journal of the Communications Society
Open Radio Access Network (ORAN) provides a flexible framework for network slicing in 4G/5G systems, with xApps enabling efficient near-real-time resource management.
Andreas Casparsen, Beatriz Soret, Jimmy Jessen Nielsen, Petar Popovski   +3 more
doaj   +1 more source