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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

This paper addresses the problem of scalability for a cell-free massive MIMO (CF-mMIMO) system that performs integrated sensing and communications (ISAC). Specifically, the case where a large number of access points (APs) are deployed to…

Information Theory · Computer Science 2024-06-10 Stefano Buzzi , Carmen D'Andrea , Sergi Liesegang

Federated Learning (FL) enables distributed model training on edge devices while preserving data privacy. However, FL deployments in wireless networks face significant challenges, including communication overhead, unreliable connectivity,…

Signal Processing · Electrical Eng. & Systems 2025-07-30 Abdelaziz Salama , Mohammed M. H. Qazzaz , Syed Danial Ali Shah , Maryam Hafeez , Syed Ali Zaidi , Hamed Ahmadi

Open Radio Access Networks (RANs) leverage disaggregated and programmable RAN functions and open interfaces to enable closed-loop, data-driven radio resource management. This is performed through custom intelligent applications on the RAN…

This paper proposes a pilot-aware, degeneracy-driven Agent-Based Modelling (ABM) framework for distributed resource allocation in RSMA-enabled multi-user MIMO systems under imperfect Channel State Information (CSI) and residual Successive…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Sayanti Ghosh , Indrakshi Dey , Nicola Marchetti

The concept of AI-RAN as specified by the AI-RAN alliance is geared to explore a converged 6G platform that can support management, orchestration, and deployment of both AI and RAN workloads. This concept is central to the development of a…

Networking and Internet Architecture · Computer Science 2025-09-22 Syed Danial Ali Shah , Zeinab Nezami , Maryam Hafeez , Syed Ali Raza Zaidi

Next-generation wireless networks require intelligent traffic prediction to enable autonomous resource management and handle diverse, dynamic service demands. The Open Radio Access Network (O-RAN) framework provides a promising foundation…

Signal Processing · Electrical Eng. & Systems 2025-10-02 Abdelaziz Salama , Mohammed M. H. Qazzaz , Zeinab Nezami , Maryam Hafeez , Syed Ali Raza Zaidi

We present a fully decentralized routing framework for multi-robot exploration missions operating under the constraints of a Lunar Delay-Tolerant Network (LDTN). In this setting, autonomous rovers must relay collected data to a lander under…

Machine Learning · Statistics 2025-10-24 Federico Lozano-Cuadra , Beatriz Soret , Marc Sanchez Net , Abhishek Cauligi , Federico Rossi

The Radio Access Network (RAN) is evolving into a programmable and disaggregated infrastructure that increasingly relies on AI-native algorithms for optimization and closed-loop control. However, current RAN intelligence is still largely…

Networking and Internet Architecture · Computer Science 2026-04-07 Ioannis Panitsas , Leandros Tassiulas

In this correspondence, we propose hierarchical high-altitude platform (HAP)-low-altitude platform (LAP) networks with the aim of maximizing the sum-rate of ground user equipments (UEs). The multiple aerial radio units (RUs) mounted on HAPs…

Systems and Control · Electrical Eng. & Systems 2023-12-08 Jeongbin Kim , Seongah Jeong , Seonghoon Yoo , Woong Son , Joonhyuk Kang

The domain of safe multi-agent reinforcement learning (MARL), despite its potential applications in areas ranging from drone delivery and vehicle automation to the development of zero-energy communities, remains relatively unexplored. The…

Multiagent Systems · Computer Science 2024-04-05 Raheeb Hassan , K. M. Shadman Wadith , Md. Mamun or Rashid , Md. Mosaddek Khan

The evolution of the future beyond-5G/6G networks towards a service-aware network is based on network slicing technology. With network slicing, communication service providers seek to meet all the requirements imposed by the verticals,…

Networking and Internet Architecture · Computer Science 2022-02-15 Abderrahime Filali , Boubakr Nour , Soumaya Cherkaoui , Abdellatif Kobbane

As a critical component of beyond fifth-generation (B5G) and sixth-generation (6G) mobile communication systems, ultra-reliable low-latency communication (uRLLC) imposes stringent requirements on latency and reliability. In recent years,…

Information Theory · Computer Science 2024-12-13 Ziyang Zhang , Dongming Wang , Yunxiang Guo , Yang Cao , Xiaohu You

This paper studies joint uplink (UL) and downlink (DL) resource allocation in user-centric orthogonal frequency division multiple access (OFDMA) cloud radio access network (CRAN), where the users select the distributed remote radio heads…

Information Theory · Computer Science 2019-06-21 Zehong Lin , Yuan Liu

Cell-free massive multiple-input multiple-output (MIMO) implemented in virtualized cloud radio access networks (V-CRAN) has emerged as a promising architecture to enhance spectral efficiency (SE), network flexibility, and energy efficiency…

Signal Processing · Electrical Eng. & Systems 2025-09-23 Derya Nurcan-Atceken , Özlem Tuğfe Demir , Aysegul Altin-Kayhan , Emil Björnson , Cicek Cavdar , Bulent Tavli

We investigate an orthogonal frequency-division multiplexing (OFDM)-based downlink transmission scheme for large-scale multi-user (MU) multiple-input multiple-output (MIMO) wireless systems. The use of OFDM causes a high peak-to-average…

Information Theory · Computer Science 2012-09-06 Christoph Studer , Erik G. Larsson

This paper considers the power-efficient resource allocation problem in a cloud radio access network (C-RAN). The C-RAN architecture consists of a set of base-band units (BBUs) which are connected to a set of radio remote heads (RRHs)…

Signal Processing · Electrical Eng. & Systems 2019-08-22 Nahid Amani , Saeedeh Parsaeefard , Hassan Taheri , Hossein Pedram

Efficient task scheduling in large-scale distributed systems presents significant challenges due to dynamic workloads, heterogeneous resources, and competing quality-of-service requirements. Traditional centralized approaches face…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-27 Daniel Benniah John

Artificial intelligence (AI) and Machine Learning (ML) are considered as key enablers for realizing the full potential of fifth-generation (5G) and beyond mobile networks, particularly in the context of resource management and…

Networking and Internet Architecture · Computer Science 2023-07-06 Farhad Rezazadeh , Lanfranco Zanzi , Francesco Devoti , Sergio Barrachina-Munoz , Engin Zeydan , Xavier Costa-Pérez , Josep Mangues-Bafalluy

As the demand for high-quality services proliferates, an innovative network architecture, the fully-decoupled RAN (FD-RAN), has emerged for more flexible spectrum resource utilization and lower network costs. However, with the decoupling of…

Information Theory · Computer Science 2024-04-04 Jiwei Zhao , Jiacheng Chen , Zeyu Sun , Yuhang Shi , Haibo Zhou , Xuemin , Shen