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Related papers: Toward Open Integrated Access and Backhaul with O-…

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Integrated access and backhaul (IAB) technology is a flexible solution for network densification. IAB nodes can also be deployed in moving nodes such as buses and trains, i.e., mobile IAB (mIAB). As mIAB nodes can move around the coverage…

Radio access networks (RAN) are going through a paradigm shift towards interoperable, intelligent, software-defined, and cloud-native open RAN solutions. A key challenge towards the adoption and deployment of open RAN at scale is…

Signal Processing · Electrical Eng. & Systems 2023-05-17 Lopamudra Kundu , Xingqin Lin , Elena Agostini , Vikrama Ditya

In order to make Internet connections ubiquitous and autonomous in our daily lives, maximizing the utilization of radio resources and social information is one of the major research topics in future mobile communication technologies. Fog…

Information Theory · Computer Science 2017-07-24 Haijun Zhang , Yu Qiu , Xiaoli Chu , Keping Long , Victor C. M. Leung

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…

The use of Millimeter-wave (mmWave) spectrum in cellular communications has recently attracted growing interest to support the expected massive increase in traffic demands. However, the high path-loss at mmWave frequencies poses severe…

Signal Processing · Electrical Eng. & Systems 2019-07-08 Alberto Perez , Abdurrahman Fouda , Ahmed S. Ibrahim

Employing massively distributed antennas brings radio access points (RAPs) closer to users, thus enables aggressive spectrum reuse that can bridge gaps between the scarce spectrum resource and extremely high connection densities in future…

Signal Processing · Electrical Eng. & Systems 2020-08-19 Lisu Yu , Jingxian Wu , Andong Zhou , Erik G. Larsson , Pingzhi Fan

The next generation of cellular networks will be characterized by openness, intelligence, virtualization, and distributed computing. The Open Radio Access Network (Open RAN) framework represents a significant leap toward realizing these…

Systems and Control · Electrical Eng. & Systems 2024-04-26 Joshua Groen , Salvatore D'Oro , Utku Demir , Leonardo Bonati , Davide Villa , Michele Polese , Tommaso Melodia , Kaushik Chowdhury

Open Radio Access Network (O-RAN) is a major advancement in the telecommunications field, providing standardized interfaces that promote interoperability between different vendors' technologies, thereby enhancing network flexibility and…

Cryptography and Security · Computer Science 2026-03-24 Lujia Liang , Lei Zhang

To keep supporting next-generation requirements, the radio access infrastructure will increasingly densify. Cell-free (CF) network architectures are emerging, combining dense deployments with extreme flexibility in allocating resources to…

Networking and Internet Architecture · Computer Science 2023-01-26 Vida Ranjbar , Adam Girycki , Md Arifur Rahman , Sofie Pollin , Marc Moonen , Evgenii Vinogradov

One of the key technologies for the future cellular networks is full duplex (FD)-enabled integrated access and backhaul (IAB) networks operating in the millimeter-wave (mmWave) frequencies. The main challenge in realizing FD-IAB networks is…

Information Theory · Computer Science 2021-04-02 Junkai Zhang , Navneet Garg , Mark Holm , Tharmalingam Ratnarajah

The fronthaul connection is a key component of Centralized RAN (C-RAN) architectures, consistently required to handle high capacity demands. However, this critical feature is at risk when the transport link relies on wireless technology.…

Networking and Internet Architecture · Computer Science 2024-11-22 Marcello Morini , Eugenio Moro , Ilario Filippini , Danilo De Donno , Salvatore Moscato , Antonio Capone

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

5G mobile networks are expected to provide pervasive high speed wireless connectivity, to support increasingly resource intensive user applications. Network hyper-densification therefore becomes necessary, though connecting to the Internet…

Networking and Internet Architecture · Computer Science 2019-04-11 Rui Li , Paul Patras

As the Metaverse envisions deeply immersive and pervasive connectivity in 6G networks, Integrated Access and Backhaul (IAB) emerges as a critical enabler to meet the demanding requirements of massive and immersive communications. IAB…

Networking and Internet Architecture · Computer Science 2025-03-17 Jie Zhang , Swarna Chetty , Qiao Wang , Chenrui Sun , Paul Daniel Mitchell , David Grace , Hamed Ahmadi

Next-generation mobile networks require evolved radio access network (RAN) architectures to meet the demands of high capacity, massive connectivity, reduced costs, and energy efficiency, and to realize communication with ultra-low latency…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Mahmoud A. Hasabelnaby , Mohanad Obeed , Mohammed Saif , Anas Chaaban , M. J. Hossain

It is envisioned that 6G networks will be supported by key architectural principles, including intelligence, decentralization, interoperability, and digitalization. With the advances in artificial intelligence (AI) and machine learning…

Signal Processing · Electrical Eng. & Systems 2025-06-23 Mathushaharan Rathakrishnan , Samiru Gayan , Rohit Singh , Amandeep Kaur , Hazer Inaltekin , Sampath Edirisinghe , H. Vincent Poor

The rapid advancement of 5G networks and the upcoming transition to 6G necessitate the use of the Open Radio Access Network (O-RAN) architecture to enable greater flexibility, interoperability, and innovation. This shift towards 6G and…

Networking and Internet Architecture · Computer Science 2024-05-31 Seyed Bagher Hashemi Natanzi , Bo Tang

Open Radio Access Networks (O-RAN) are emerging as a disruptive technology, revolutionising traditional mobile network architecture and deployments in the current 5G and the upcoming 6G era. Disaggregation of network architecture, inherent…

Cryptography and Security · Computer Science 2024-06-19 Thusitha Dayaratne , Viet Vo , Shangqi Lai , Sharif Abuadbba , Blake Haydon , Hajime Suzuki , Xingliang Yuan , Carsten Rudolph

Innovation and standardization in 5G have brought advancements to every facet of the cellular architecture. This ranges from the introduction of new frequency bands and signaling technologies for the radio access network (RAN), to a core…

Networking and Internet Architecture · Computer Science 2023-12-06 Michele Polese , Mischa Dohler , Falko Dressler , Melike Erol-Kantarci , Rittwik Jana , Raymond Knopp , Tommaso Melodia

The main objective of 5G and beyond networks is to provide an optimal user experience in terms of throughput and reliability, irrespective of location and time. To achieve this, traditional fixed macro base station deployments are being…

Information Theory · Computer Science 2024-01-22 Chao-Kai Wen , Lung-Sheng Tsai , Arman Shojaeifard , Pei-Kai Liao , Kai-Kit Wong , Chan-Byoung Chae