Towards a Fully Virtualized, Cloudified, and Slicing-Aware RAN for 6G Mobile Networks

Habibi, Mohammad Asif; Han, Bin; Nasimi, Meysam; Kuruvatti, Nandish P.; Fellan, Amina; Schotten, Hans D.

doi:10.1007/978-3-030-72777-2_15

Cited by 21 publications

(16 citation statements)

References 56 publications

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“…[112]. We, thus, firmly believe that further studies are needed to address the virtualization of RU functionalities towards a virtualized and slicing-aware RAN of the 6G mobile networks [113].…”

Section: ) Softwarization and Virtualizationmentioning

confidence: 99%

“…The EI is envisioned to be one of the key enabling technologies for beyond 5G and 6G communication networks. Thanks to the increasing number of smart portable devices, user equipment, internet of intelligent things (IoIT), and the proliferation of intelligent services; there is a strong demand for the EI in the edge of 6G mobile networks to automate its respective tasks [113].…”

Section: ) Intelligent Edge Computingmentioning

confidence: 99%

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The Road Towards 6G: A Comprehensive Survey

Jiang¹,

Han²,

Habibi³

et al. 2021

Preprint

Self Cite

101

158

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<p>As of today, the fifth generation (5G) mobile communication system has been rolled out in many countries and the number of 5G subscribers already reaches a very large scale. It is time for academia and industry to shift their attention towards the next generation. At this crossroad, an overview of the current state of the art and a vision of future communications are definitely of interest. This article thus aims to provide a comprehensive survey to draw a picture of the sixth generation (6G) system in terms of drivers, use cases, usage scenarios, requirements, key performance indicators (KPIs), and enabling technologies. First, we attempt to answer the question of “Is there any need for 6G?” by shedding light on the key driving factors of 6G, in which we predict the explosive growth of mobile traffic until 2030, and envision potential use cases and usage scenarios. Second, the technical requirements of 6G are discussed and compared with those of 5G with respect to a set of KPIs in a quantitative manner. Third, the state-of-the-art 6G research efforts and activities from representative institutions and countries are summarized, and a tentative roadmap of definition, specification, standardization, and regulation is projected. Then, we identify a dozen of potential technologies and introduce their principles, advantages, challenges, and open research issues. Finally, the conclusions are drawn to paint a picture of “What 6G may look like?”. This survey is intended to serve as an enlightening guideline to spur interests and further investigations for subsequent research and development of 6G communications systems.</p>

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Section: ) Softwarization and Virtualizationmentioning

confidence: 99%

Section: ) Intelligent Edge Computingmentioning

confidence: 99%

The Road Towards 6G: A Comprehensive Survey

Jiang¹,

Han²,

Habibi³

et al. 2021

Preprint

Self Cite

101

158

View full text Add to dashboard Cite

show abstract

“…extremely Dense Wireless Networks (eDWNs) and the SAGSIN, in addition to individual network solutions, can improve spatial threedimensional (3D) [59]. Specific approaches and architectural design will be needed for the seamless integration of satellites into 6G [60].…”

Section: Radio Access Technologies (Rats) In B5g/6gmentioning

confidence: 99%

“…Enhanced methods that account for clustering of both RRHs and BBUs in the cloud will be developed in addition to the existing resource scheduling algorithms [27]. The use of serverless networking that is entirely based on CoMP necessitates a thorough overhaul of the RAN architecture [60]. To reduce latency, 6G will leverage distributed cooperative processing on edge devices, as well as Deep Learning (DL)-based transmission prediction, model-driven DL to train Deep Neural Networks (DNNs) and replace old methods with online accelerated DNNs [59].…”

Section: B Radio Access Network (Ran) In B5g/6gmentioning

confidence: 99%

5G shortcomings and Beyond-5G/6G requirements

Moussaoui

Bertin

Crespi

2022

2022 1st International Conference on 6G Networking (6GNet)

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Although 5G is designed to provide a large range of new digital services such as immersive experiences, connected machines, and Internet of Things (IoT), 5G networks may not be able to completely meet the needs of emerging novel applications, as well as to address the future needs of the business and regulatory ecosystem. Beyond 5G (B5G) and Sixth Generation (6G) wireless systems are expected to overcome 5G network limits and support a broader range of new use cases in this rapidly expanding digital era. In this survey article, we provide a summary of the major 5G networks shortcomings that are discussed in the literature and classify them into a taxonomy of six primary domains. For each of these domains, we also highlight and discuss the research challenges that will be faced in the development of future B5G and 6G networks.

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“…The Hexa-X vision calls for an x-enabler fabric of connected intelligence, networks of networks, sustainability, global service coverage, extreme experience, and trustworthiness [2], [3]. The ambition of the Hexa-X project includes developing key technology enablers in the areas of: (a) fundamentally new radio access technologies at high frequencies and high-resolution localization and sensing; (b) connected intelligence through Artificial Intelligence (AI)-driven air interface and governance for future networks; and (c) 6G architectural enablers for network disaggregation and dynamic dependability [2], [4].…”

Section: Introductory Remarksmentioning

confidence: 99%

Enabling Network and Service Programmability in 6G Mobile Communication Systems

Habibi¹,

Sánchez²,

Pavón³

et al. 2022

Preprint

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<p>Network programmability is crucial for addressing the multiplicity and heterogeneity of Network Services, the diversity of the underlying infrastructure of Sixth Generation (6G) communication systems, and the requirements for maximum efficiency. The programmability of a service platform enables algorithmic network management by leveraging contemporary software virtualization technologies. Moreover, network programmability will abstract the essential network/service and resource configuration, as well as the production and administration of policy lifecycles, as the number of local breakouts (both public and private) is anticipated to grow exponentially. Network programmability is the central point of interest for Hexa-X, the European 6G flagship project, which aims to facilitate the dynamic adaptation to changing network situations and requirements for the most efficient use of available resources. To explore such a critical enabler of futuristic mobile networks, this article addresses the role of network and service programmability and its impact on various aspects of 6G within the context of Hexa-X. In order to accomplish this, the article begins by discussing Hexa-X’s proposed service Management and Orchestration (M&O) framework for 6G. Based on this framework, it identifies and explores in greater detail the programmability of four primary processes in 6G: expressing application and service requirements; service description models and profiling; monitoring and diagnostics; and reasoning. Beyond the scope of the Hexa-X, this article aims to serve as a foundation for future research into network and service programmability in 6G.</p>

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Towards a Fully Virtualized, Cloudified, and Slicing-Aware RAN for 6G Mobile Networks

Cited by 21 publications

References 56 publications

The Road Towards 6G: A Comprehensive Survey

The Road Towards 6G: A Comprehensive Survey

5G shortcomings and Beyond-5G/6G requirements

Enabling Network and Service Programmability in 6G Mobile Communication Systems

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