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Open Radio Access Network (O-RAN) offers an open, programmable architecture for next-generation wireless networks, enabling advanced control through AI-based applications on the near-Real-Time RAN Intelligent Controller (near-RT RIC).…

Networking and Internet Architecture · Computer Science 2025-11-10 Ryan Barker , Alireza Ebrahimi Dorcheh , Tolunay Seyfi , Fatemeh Afghah

Open Radio Access Network (RAN) is a transformative paradigm that supports openness, interoperability, and intelligence, with the O-RAN architecture being the most recognized framework in academia and industry. In the context of Open RAN,…

Signal Processing · Electrical Eng. & Systems 2024-09-24 Qiao Wang , Swarna Chetty , Ahmed Al-Tahmeesschi , Xuanyu Liang , Yi Chu , Hamed Ahmadi

Open RAN (O-RAN) defines an emerging cellular radio access network (RAN) architecture for future 6G wireless networks, emphasizing openness and intelligence which are considered the foundations of future 6G wireless networks. While the…

Networking and Internet Architecture · Computer Science 2022-05-27 Pratheek S. Upadhyaya , Aly S. Abdalla , Vuk Marojevic , Jeffrey H. Reed , Vijay K. Shah

Open Radio Access Network (RAN) is a key paradigm to attain unprecedented flexibility of the RAN via disaggregation and Artificial Intelligence (AI)-based applications called xApps. In dense areas with many active RAN nodes, compute…

Networking and Internet Architecture · Computer Science 2025-06-25 Antonio Calagna , Stefano Maxenti , Leonardo Bonati , Salvatore D'Oro , Tommaso Melodia , Carla Fabiana Chiasserini

Open Radio Access Network (Open RAN) is reshaping mobile network architecture by promoting openness, disaggregation, and cross-vendor interoperability. However, this architectural flexibility introduces new security challenges, especially…

Networking and Internet Architecture · Computer Science 2025-09-04 Hexuan Yu , Md Mohaimin Al Barat , Yang Xiao , Y. Thomas Hou , Wenjing Lou

The Open Radio Access Network (RAN) is a networking paradigm that builds on top of cloud-based, multi-vendor, open and intelligent architectures to shape the next generation of cellular networks for 5G and beyond. While this new paradigm…

Cryptography and Security · Computer Science 2024-07-26 Joshua Groen , Salvatore DOro , Utku Demir , Leonardo Bonati , Michele Polese , Tommaso Melodia , Kaushik Chowdhury

Open RAN (ORAN, O-RAN) represents a novel industry-level standard for RAN (Radio Access Network), which defines interfaces that support inter-operation between vendors' equipment and offer network flexibility at a lower cost. Open RAN…

Cryptography and Security · Computer Science 2022-12-06 Madhusanka Liyanage , An Braeken , Shahriar Shahabuddin , Pasika Ranaweera

The highly heterogeneous ecosystem of Next Generation (NextG) wireless communication systems calls for novel networking paradigms where functionalities and operations can be dynamically and optimally reconfigured in real time to adapt to…

Networking and Internet Architecture · Computer Science 2023-09-12 Maria Tsampazi , Salvatore D'Oro , Michele Polese , Leonardo Bonati , Gwenael Poitau , Michael Healy , Tommaso Melodia

Open Radio Access Network (O-RAN) is considered as a major step in the evolution of next-generation cellular networks given its support for open interfaces and utilization of artificial intelligence (AI) into the deployment, operation, and…

Networking and Internet Architecture · Computer Science 2023-09-08 Naveen Naik Sapavath , Brian Kim , Kaushik Chowdhury , Vijay K Shah

The open radio access network (O-RAN) architecture introduces RAN intelligent controllers (RICs) to facilitate the management and optimization of the disaggregated RAN. Reinforcement learning (RL) and its advanced form, deep RL (DRL), are…

Artificial Intelligence · Computer Science 2025-06-17 Mohammadreza Kouchaki , Aly Sabri Abdalla , Vuk Marojevic

The growing demand for high-speed, ultra-reliable, and low-latency communications in 5G and beyond networks has significantly driven up power consumption, particularly within the Radio Access Network (RAN). This surge in energy demand poses…

Networking and Internet Architecture · Computer Science 2025-09-15 Ahmed Al-Tahmeesschi , Yi Chu , Gurdeep Singh , Charles Turyagyenda , Dritan Kaleshi , David Grace , Hamed Ahmadi

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…

O-RAN (Open-Radio Access Network) offers a flexible, open architecture for next-generation wireless networks. Network slicing within O-RAN allows network operators to create customized virtual networks, each tailored to meet the specific…

Networking and Internet Architecture · Computer Science 2025-04-25 Sihem Bakri , Indrakshi Dey , Harun Siljak , Marco Ruffini , Nicola Marchetti

Traditional RAN systems are closed and monolithic, stifling innovation. The openness and programmability enabled by Open Radio Access Network (O-RAN) are envisioned to revolutionize cellular networks with control-plane applications--xApps.…

Networking and Internet Architecture · Computer Science 2026-03-20 Xin Li , Shiming Yu , Leming Shen , Jianing Zhang , Yuanqing Zheng , Yaxiong Xie

Open RAN enables third-party xApps and rApps to be onboarded and updated at operational cadence, creating a software supply chain that spans developers, CI systems, registries, onboarding pipelines, and runtime enforcement points. This…

Cryptography and Security · Computer Science 2026-05-07 Chun Yin Chiu

The steady evolution of the Open RAN concept sheds light on xApps and their potential use cases in O-RANcompliant deployments. There are several areas where xApps can be used that are being widely investigated, but the issue of mitigating…

Networking and Internet Architecture · Computer Science 2023-05-15 Cezary Adamczyk , Adrian Kliks

User demand on network communication infrastructure has never been greater with applications such as extended reality, holographic telepresence, and wireless brain-computer interfaces challenging current networking capabilities. Open RAN…

Networking and Internet Architecture · Computer Science 2024-04-29 Noe Yungaicela-Naula , Vishal Sharma , Sandra Scott-Hayward

The heterogeneity of use cases that next-generation wireless systems need to support calls for flexible and programmable networks that can autonomously adapt to the application requirements. Specifically, traffic flows that support critical…

Networking and Internet Architecture · Computer Science 2023-09-15 Eugenio Moro , Michele Polese , Antonio Capone , Tommaso Melodia

The advent of Open Radio Access Network (RAN) has revolutionized the field of RAN by introducing elements of native support of intelligence and openness into the next generation of mobile network infrastructure. Open RAN paves the way for…

Networking and Internet Architecture · Computer Science 2025-01-13 Abdul Wadud , Fatemeh Golpayegani , Nima Afraz

As Fifth generation (5G) cellular systems transition to softwarized, programmable, and intelligent networks, it becomes fundamental to enable public and private 5G deployments that are (i) primarily based on software components while (ii)…