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The increasing complexity and dynamic nature of 5G open radio access networks (O-RAN) pose significant challenges to maintaining low latency, high throughput, and resource efficiency. While existing methods leverage machine learning for…

Machine Learning · Computer Science 2025-02-26 Raúl Parada , Ebrahim Abu-Helalah , Jordi Serra , Anton Aguilar , Paolo Dini

This paper addresses how to handle slice resources for 6G networks at different time scales in an architecture based on an open radio access network (ORAN). The proposed solution includes artificial intelligence (AI) at the edge of the…

Signal Processing · Electrical Eng. & Systems 2025-01-20 Suvidha Mhatre , Ferran Adelantado , Kostas Ramantas , Christos Verikoukis

This paper studies the allocation of shared resources between vehicle-to-infrastructure (V2I) and vehicle-to-vehicle (V2V) links in vehicle-to-everything (V2X) communications. In existing algorithms, dynamic vehicular environments and…

Information Theory · Computer Science 2021-10-18 Yi Yuan , Gan Zheng , Kai-Kit Wong , Khaled B. Letaief

The 5G cellular wireless systems will have a multi-tier architecture consisting of macrocells, different types of licensed small cells and D2D networks to serve users with different quality-of-service (QoS) requirements in a spectrum…

Networking and Internet Architecture · Computer Science 2014-09-09 Monowar Hasan , Ekram Hossain

The recently proposed open-radio access network (O-RAN) architecture embraces cloudification and network function virtualization techniques to perform the base-band function processing by dis-aggregated radio units (RUs), distributed units…

Networking and Internet Architecture · Computer Science 2022-02-23 Sourav Mondal , Marco Ruffini

This paper presents a novel deep reinforcement learning-based resource allocation technique for the multi-agent environment presented by a cognitive radio network where the interactions of the agents during learning may lead to a…

Machine Learning · Computer Science 2022-05-30 Ankita Tondwalkar , Andres Kwasinski

Scheduling plays a pivotal role in multi-user wireless communications, since the quality of service of various users largely depends upon the allocated radio resources. In this paper, we propose a novel scheduling algorithm with contiguous…

Networking and Internet Architecture · Computer Science 2020-11-30 Shu Sun , Xiaofeng Li

This paper investigates the integration of Open Radio Access Network (O-RAN) within non-terrestrial networks (NTN), and optimizing the dynamic functional split between Centralized Units (CU) and Distributed Units (DU) for enhanced energy…

Networking and Internet Architecture · Computer Science 2024-09-04 S. M. Mahdi Shahabi , Xiaonan Deng , Ahmad Qidan , Taisir Elgorashi , Jaafar Elmirghani

Energy Efficiency (EE) is a big issue in 5th Generation Wireless Communications (5G) on condition that the number of access User Equipments (UEs) are exploding and more antennas should be equipped in one Base Station (BS). In EE studies,…

Information Theory · Computer Science 2015-04-21 Di Zhang , Zhenyu Zhou , Keping Yu , Takuro Sato

A cloud radio access network (Cloud-RAN) is a network architecture that holds the promise of meeting the explosive growth of mobile data traffic. In this architecture, all the baseband signal processing is shifted to a single baseband unit…

Information Theory · Computer Science 2013-10-02 Yuanming Shi , Jun Zhang , Khaled B. Letaief

Explosive growth in the use of smart wireless devices has necessitated the provision of higher data rates and always-on connectivity, which are the main motivators for designing the fifth generation (5G) systems. To achieve higher system…

Networking and Internet Architecture · Computer Science 2016-08-31 Sahar Imtiaz , Hadi Ghauch , M. Mahboob Ur Rahman , George Koudouridis , James Gross

With the explosive growth in mobile data traffic, ultra-dense network (UDN) where a large number of small cells are densely deployed on top of macro cells has received a great deal of attention in recent years. While UDN offers a number of…

Information Theory · Computer Science 2021-12-28 Hyungyu Ju , Seungnyun Kim , Youngjoon Kim , Byonghyo Shim

The rapid production of mobile devices along with the wireless applications boom is continuing to evolve daily. This motivates the exploitation of wireless spectrum using multiple Radio Access Technologies (multi-RAT) and developing…

Multiagent Systems · Computer Science 2022-02-22 Mhd Saria Allahham , Alaa Awad Abdellatif , Naram Mhaisen , Amr Mohamed , Aiman Erbad , Mohsen Guizani

The capacity sharing problem in Radio Access Network (RAN) slicing deals with the distribution of the capacity available in each RAN node among various RAN slices to satisfy their traffic demands and efficiently use the radio resources.…

Networking and Internet Architecture · Computer Science 2022-07-22 Irene Vilà , Oriol Sallent , Jordi Pérez-Romero

Dynamic resource allocation in mobile wireless networks involves complex, time-varying optimization problems, motivating the adoption of deep reinforcement learning (DRL). However, most existing works rely on pre-trained policies,…

Machine Learning · Computer Science 2025-02-12 Xinren Zhang , Jiadong Yu

Satellite networks are rapidly evolving, yet most \glspl{ntn} remain isolated from terrestrial orchestration frameworks. Their control architectures are typically monolithic and static, limiting their adaptability to dynamic traffic,…

Networking and Internet Architecture · Computer Science 2026-03-05 Eduardo Baena , Paolo Testolina , Michele Polese , Dimitrios Koutsonikolas , Josep Jornet , Tommaso Melodia

With the advent of 5G and the research into beyond 5G (B5G) networks, a novel and very relevant research issue is how to manage the coexistence of different types of traffic, each with very stringent but completely different requirements.…

Signal Processing · Electrical Eng. & Systems 2026-03-16 Fabio Saggese , Luca Pasqualini , Marco Moretti , Andrea Abrardo

In this paper, we study the resource slicing problem in a dynamic multiplexing scenario of two distinct 5G services, namely Ultra-Reliable Low Latency Communications (URLLC) and enhanced Mobile BroadBand (eMBB). While eMBB services focus on…

Networking and Internet Architecture · Computer Science 2020-11-13 Madyan Alsenwi , Nguyen H. Tran , Mehdi Bennis , Shashi Raj Pandey , Anupam Kumar Bairagi , Choong Seon Hong

The combination of energy harvesting (EH), cognitive radio (CR), and non-orthogonal multiple access (NOMA) is a promising solution to improve energy efficiency and spectral efficiency of the upcoming beyond fifth generation network (B5G),…

Information Theory · Computer Science 2021-09-21 Zhaoyuan Shi , Xianzhong Xie , Huabing Lu , Helin Yang , Jun Cai , Zhiguo Ding

In light of the quick proliferation of Internet of things (IoT) devices and applications, fog radio access network (Fog-RAN) has been recently proposed for fifth generation (5G) wireless communications to assure the requirements of…

Networking and Internet Architecture · Computer Science 2019-01-17 Almuthanna T. Nassar , Yasin Yilmaz