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Related papers: ns-O-RAN: Simulating O-RAN 5G Systems in ns-3

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Open Radio Access Network (O-RAN) architectures enhance flexibility for 6G and NextG networks. However, it also brings significant challenges in O-RAN testing with evaluating abundant, high-dimensional key performance indicators (KPIs). In…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Jiongyu Dai , Raymond Zhao , Farhad Rezazadeh , Lizhong Zheng , Haining Wang , Lingjia Liu

The open radio access network (O-RAN) RAN intelligent controller (RIC) hosts data-driven xApps and rApps to optimize network performance. However, two challenges hinder ML-driven xApp/rApp development: (i) key performance metric (KPM) data…

Networking and Internet Architecture · Computer Science 2026-05-26 Md Sharif Hossen , Zifan Zhang , Dara Ron , Yuchen Liu , Vijay K. Shah

In sixth-generation (6G) Open Radio Access Networks (O-RAN), proactive control is preferable. A key open challenge is delivering control-grade predictions within Near-Real-Time (Near-RT) latency and computational constraints under…

Networking and Internet Architecture · Computer Science 2025-10-08 Farhad Rezazadeh , Hatim Chergui , Merouane Debbah , Houbing Song , Dusit Niyato , Lingjia Liu

Novel and cutting-edge use cases have arisen since the first deployments of the fifth generation of telecommunication networks (5G). There are plenty of well-though optimally design 5G simulators and emulators which allow telecommunication…

Networking and Internet Architecture · Computer Science 2022-04-12 Diego Gonzalez Morin , ManuelJ. López Morales , Pablo Pérez , Ana García Armada Alvaro Villegas

Network slicing provides introduces customized and agile network deployment for managing different service types for various verticals under the same infrastructure. To cater to the dynamic service requirements of these verticals and meet…

Networking and Internet Architecture · Computer Science 2022-02-07 Joseph Thaliath , Solmaz Niknam , Sukhdeep Singh , Rahul Banerji , Navrati Saxena , Harpreet S. Dhillon , Jeffrey H. Reed , Ali Kashif Bashir , Avinash Bhat , Abhishek Roy

Convergence of multiple access technologies is one of the key enablers in providing a diverse set of services to the Fifth Generation (5G) users. Though the 3rd Generation Partnership Project (3GPP) 5G standard defines a common core…

Networking and Internet Architecture · Computer Science 2020-10-16 Meghna Khaturia , Pranav Jha , Abhay Karandikar

The growing demand for mid-band spectrum necessitates efficient Dynamic Spectrum Sharing (DSS) to ensure coexistence between cellular networks and incumbent radar systems. Existing Spectrum Access System (SAS) frameworks rely on fixed…

Systems and Control · Electrical Eng. & Systems 2026-01-07 Azuka Chiejina , Divyadharshini Muruganandham , Vini Chaudhary , Kaushik Chowdhury , Vijay K. Shah

The next generation of networks will actively embrace artificial intelligence (AI) and machine learning (ML) technologies for automation networks and optimal network operation strategies. The emerging network structure represented by Open…

The open radio access network (O-RAN), with its disaggregated and open architecture, is poised to meet the demands of the next generation of wireless communication. However, to unlock the full potentials of O-RAN, real-time network modeling…

Information Theory · Computer Science 2023-08-08 Javad Mirzaei , Ibrahim Abualhaol , Gwenael Poitau

The evolution of wireless communication systems will be fundamentally impacted by an open radio access network (O-RAN), a new concept defining an intelligent architecture with enhanced flexibility, openness, and the ability to slice…

Cryptography and Security · Computer Science 2024-11-14 Mojdeh Karbalaee Motalleb , Chafika Benzaid , Tarik Taleb , Marcos Katz , Vahid Shah-Mansouri , JaeSeung Song

In this paper, we theoretically analyze and experimentally demonstrate the performance gains achievable by integrating an in-house built reconfigurable intelligent surface (RIS) with a 5G new radio (NR) system implemented using the…

Signal Processing · Electrical Eng. & Systems 2026-05-21 Nekkanti Guna Sai Kiran , L. Yashvanth , Raju Malleboina , Venkatareddy Akumalla , Debdeep Sarkar , Chandra R. Murthy

Ultra-dense fifth generation (5G) and beyond networks leverage spectrum sharing and frequency reuse to enhance throughput, but face unpredictable in-band uplink (UL) interference challenges that significantly degrade Signal to Interference…

Networking and Internet Architecture · Computer Science 2025-09-25 Neagin Neasamoni Santhi , Davide Villa , Michele Polese , Tommaso Melodia

The transition of fifth generation (5G) cellular systems to softwarized, programmable, and intelligent networks depends on successfully enabling public and private 5G deployments that are (i) fully software-driven and (ii) with a…

The disaggregation of the Radio Access Network (RAN) introduces unprecedented flexibility but significant operational complexity, necessitating automated management frameworks. However, current Open RAN (O-RAN) orchestration relies on…

Networking and Internet Architecture · Computer Science 2026-03-05 Gabriela da Silva Machado , Gustavo Z. Bruno , Alexandre Huff , Jose Marcos Camara Brito , Cristiano B. Both

Starting from the Cloud Radio Access Network (C-RAN), continuing with the virtual Radio Access Network (vRAN) and most recently with Open RAN (O-RAN) initiative, Radio Access Network (RAN) architectures have significantly evolved in the…

Multiagent Systems · Computer Science 2021-02-24 Pedro Enrique Iturria Rivera , Shahram Mollahasani , Melike Erol-Kantarci

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 Radio Access Networks (RAN) offer diverse economic opportunities. A transition to a flexible, modular approach within the disaggregated RAN framework is crucial, involving careful planning of RAN architecture and the deployment of…

Networking and Internet Architecture · Computer Science 2023-11-09 Marcin Hoffmann , Salim Janji , Adam Samorzewski , Lukasz Kulacz , Cezary Adamczyk , Marcin Dryjański , Pawel Kryszkiewicz , Adrian Kliks , Hanna Bogucka

Future mobile networks in the sixth generation (6G) are poised for a paradigm shift from conventional communication services toward comprehensive information services, driving the evolution of radio access network (RAN) architectures toward…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Xiaoyun Wang , Yutong Zhang , Sen Wang , Sun Qi , Hanning Wang , Qixing Wang , Jing Jin , Jiwei He , Nan Li

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

Open radio access network (ORAN) Alliance offers a disaggregated RAN functionality built using open interface specifications between blocks. To efficiently support various competing services, \textit{namely} enhanced mobile broadband (eMBB)…

Systems and Control · Electrical Eng. & Systems 2022-10-18 Fatemeh Kavehmadavani , Van-Dinh Nguyen , Thang X. Vu , Symeon Chatzinotas