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Obtaining access to exclusive spectrum, cell sites, Radio Access Network (RAN) equipment, and edge infrastructure imposes major capital expenses to mobile network operators. A neutral host infrastructure, by which a third-party company…

Networking and Internet Architecture · Computer Science 2023-09-07 Leonardo Bonati , Michele Polese , Salvatore D'Oro , Stefano Basagni , Tommaso Melodia

In this article, we propose a novel formulation for the resource allocation problem of a sliced and disaggregated Radio Access Network (RAN) and its transport network. Our proposal assures an end-to-end delay bound for the Ultra-Reliable…

Networking and Internet Architecture · Computer Science 2023-06-06 Flávio G. C. Rocha , Gabriel M. F. de Almeida , Kleber V. Cardoso , Cristiano B. Both , José F. de Rezende

In this paper, we investigate the performance of large-scale heterogeneous low Earth orbit (LEO) satellite networks in the context of three association schemes. In contrast to existing studies, where single-tier LEO satellite-based network…

Emerging Technologies · Computer Science 2024-05-14 Yuan Guo , Christodoulos Skouroumounis , Symeon Chatzinotas , Ioannis Krikidis

In this work, we study the performance of multiple-hop mixed frequency (RF)/free-space optical (FSO) communication-based decode-and-forward protocol for multicast networks. So far, serving a large number of users is considered a promising…

Signal Processing · Electrical Eng. & Systems 2022-03-23 Olfa Ben Yahia , Eylem Erdogan , Gunes Karabulut Kurt

Arctic regions, such as northern Canada, face significant challenges in achieving consistent connectivity and low-latency computing services due to the sparse coverage of Low Earth Orbit (LEO) satellites. To enhance service reliability in…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Mohammed Almekhlafi , Antoine Lesage-Landry , Gunes Karabulut Kurt

Integrating non-terrestrial networks (NTNs), in particular high altitude platform stations (HAPS), with terrestrial networks, referred to as vHetNets, emerges as a promising future wireless network architecture for providing ubiquitous…

Systems and Control · Electrical Eng. & Systems 2024-04-02 Afsoon Alidadi Shamsabadi , Animesh Yadav , Halim Yanikomeroglu

This paper presents a study of an integrated satellite-terrestrial network, where Low-Earth-Orbit (LEO) satellites are used to provide the backhaul link between base stations (BSs) and the core network. The mobility of LEO satellites raises…

Signal Processing · Electrical Eng. & Systems 2023-03-21 Hung Nguyen-Kha , Vu Nguyen Ha , Eva Lagunas , Symeon Chatzinotas , Joel Grotz

Cloud-Radio Access Networks (Cloud-RANs) are separating the mobile networks base station functions into three units, the connection between the two of them is referred to as the fronthaul network. This work demonstrates the transmission of…

Networking and Internet Architecture · Computer Science 2021-04-13 Line Larsen , Frank Slyne , Ghizlane Mountaser , Marco Ruffini , Toktam Mahmoodi

Accurate asset localization holds paramount importance across various industries, ranging from transportation management to search and rescue operations. In scenarios where traditional positioning equations cannot be adequately solved due…

Signal Processing · Electrical Eng. & Systems 2024-07-08 Alejandro Gonzalez-Garrido , Jorge Querol , Henk Wymeersch , Symeon Chatzinotas

Indoor environments present a significant challenge for wireless connectivity, as immense data demand strains traditional solutions. Public Mobile Network Operators (MNOs), utilizing outdoor macro base stations (BSs), suffer from poor…

Networking and Internet Architecture · Computer Science 2025-06-06 Joshua Roy Palathinkal , Muhammad Iqbal Rochman , Vanlin Sathya , Mehmet Yavuz , Monisha Ghosh

Existing analyses of ergodic capacity in satellite mega-constellations often rely on restrictive serving time assumptions or become intractable under realistic handover strategies. This paper develops a framework for characterising the…

Information Theory · Computer Science 2026-05-14 Brendon McBain , Yi Hong , Emanuele Viterbo

Low Earth Orbit (LEO) satellite communication is a promising approach to providing Internet connectivity to users in many remote areas. As videos are likely to account for most traffic in the LEO satellite network, as in the rest of the…

Networking and Internet Architecture · Computer Science 2026-04-22 Kyoungjun Park , Zhiyuan He , Cheng Luo , Yi Xu , Lili Qiu , Changhan Ge , Muhammad Muaz

Enabling autonomous driving and industrial automation with wireless networks poses many challenges, which are typically abstracted through reliability and latency requirements. One of the main contributors to latency in cellular networks is…

Networking and Internet Architecture · Computer Science 2019-02-22 H. Murat Gürsu , Wolfgang Kellerer , Cedomir Stefanović

This paper investigates an analytical model for low-earth orbit (LEO) multi-satellite downlink non-orthogonal multiple access (NOMA) networks. The satellites transmit data to multiple NOMA user terminals (UTs), each employing successive…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Xiangyu Li , Bodong Shang , Qingqing Wu , Chao Ren

The integration of non-terrestrial networks (NTNs) and terrestrial networks (TNs) is fundamental for extending connectivity to rural and underserved areas that lack coverage from traditional cellular infrastructure. However, this…

Networking and Internet Architecture · Computer Science 2025-04-10 Alessandro Traspadini , Marco Giordani , Michele Zorzi

Low earth orbit (LEO) satellite communications can provide ubiquitous and reliable services, making it an essential part of the Internet of Everything network. Beam hopping (BH) is an emerging technology for effectively addressing the issue…

Networking and Internet Architecture · Computer Science 2023-12-05 Shuang Zheng , Xing Zhang , Peng Wang , Wenbo Wang

The traditional black-box and monolithic approach to Radio Access Networks (RANs) has heavily limited flexibility and innovation. The Open RAN paradigm, and the architecture proposed by the O-RAN ALLIANCE, aim to address these limitations…

Networking and Internet Architecture · Computer Science 2025-08-19 Nicolo Longhi , Salvatore D'Oro , Leonardo Bonati , Michele Polese , Roberto Verdone , Tommaso Melodia

Distributed scheduling is essential for open radio access network (O-RAN) employing advanced physical-layer techniques such as multi-user MIMO (MU-MIMO), carrier aggregation (CA), and joint transmission (JT). This work investigates the…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Tenghao Cai , Lei Li , Tsung-Hui Chang

Open-radio access network (O-RAN) seeks to establish the principles of openness, programmability, automation, intelligence, and hardware-software disaggregation with interoperable and standard-compliant interfaces. It advocates for…

The co-existence of terrestrial and non-terrestrial networks (NTNs) is essential for achieving comprehensive global coverage in sixth-generation cellular networks. Given the escalating demand for spectrum, there is an ongoing global…

Signal Processing · Electrical Eng. & Systems 2025-01-13 Lingrui Zhang , Zheng Li , Sheng Yang