A Survey on Beyond 5G Network Slicing for Smart Cities Applications

IF 34.4 1区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS IEEE Communications Surveys and Tutorials Pub Date : 2024-06-06 DOI:10.1109/COMST.2024.3410295

Wajid Rafique;Joyeeta Rani Barai;Abraham O. Fapojuwo;Diwakar Krishnamurthy

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Abstract

Beyond fifth generation (B5G) is expected to tremendously improve network capabilities by using a higher frequency band compared to 5G, capable of delivering higher network capacity with much lower latency. It is expected that there will be around 30 billion connected objects by 2030, approximately 3.5 times the population then which underscores the pressing need for advanced network capabilities to support diverse applications ranging from smart transportation and energy management to healthcare and public safety. Network slicing enables sharing of network resources by transforming the physical network into logically independent networks, each specifically tailored to meet the requirements of heterogeneous services (e.g., Internet of Things applications, gaming services, holographic communication). Each slice is an end-to-end logical network comprising network, compute, and storage resources. Softwarization and virtualization are the main drivers for innovation in B5G, enabling network developers and operators to develop network-aware applications to match customer demands. Smart cities vertical offers unique service characteristics, performance requirements, and technical challenges in B5G network slicing. Therefore, this paper provides a comprehensive survey on B5G network slicing use cases, synergies, practical implementations and applications based on their quality of service parameters for smart cities applications. The paper gives a detailed taxonomy of the B5G network slicing framework requirements, design, dynamic intra-slice and inter-slice resource allocation techniques, management and orchestration, artificial intelligence/machine learning-empowered network slicing designs, implementation testbeds, 3GPP specifications and projects/standards for B5G network slicing. Furthermore, the paper provides a thorough discussion on the technical challenges that can arise when implementing B5G network slicing for smart cities applications and offers potential solutions. Finally, the paper discusses B5G network slicing current and future research directions for smart cities applications.

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面向智慧城市应用的超越 5G 网络切片调查

超过第五代（B5G）预计将通过使用比5G更高的频带大大提高网络功能，能够以更低的延迟提供更高的网络容量。预计到2030年将有大约300亿个连接对象，大约是当时人口的3.5倍，这凸显了对先进网络功能的迫切需求，以支持从智能交通和能源管理到医疗保健和公共安全等各种应用。网络切片通过将物理网络转换为逻辑上独立的网络来实现网络资源的共享，每个网络都是专门为满足异构业务（如物联网应用、游戏服务、全息通信）的需求而定制的。每个片都是一个端到端的逻辑网络，包括网络、计算和存储资源。软件化和虚拟化是B5G创新的主要驱动力，使网络开发商和运营商能够开发网络感知应用，以满足客户需求。垂直智慧城市在B5G网络切片中提供了独特的业务特性、性能要求和技术挑战。因此，本文基于智能城市应用的服务质量参数，对B5G网络切片用例、协同效应、实际实现和应用进行了全面调查。本文详细介绍了B5G网络切片框架要求、设计、动态片内和片间资源分配技术、管理和编排、人工智能/机器学习支持的网络切片设计、实现测试平台、3GPP规范和B5G网络切片的项目/标准。此外，本文还深入讨论了为智慧城市应用实施B5G网络切片时可能出现的技术挑战，并提供了潜在的解决方案。最后，探讨了B5G网络切片技术在智慧城市应用中的现状和未来研究方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Communications Surveys and Tutorials COMPUTER SCIENCE, INFORMATION SYSTEMS-TELECOMMUNICATIONS

CiteScore

80.20

自引率

2.50%

发文量

审稿时长

6 months

期刊介绍： IEEE Communications Surveys & Tutorials is an online journal published by the IEEE Communications Society for tutorials and surveys covering all aspects of the communications field. Telecommunications technology is progressing at a rapid pace, and the IEEE Communications Society is committed to providing researchers and other professionals the information and tools to stay abreast. IEEE Communications Surveys and Tutorials focuses on integrating and adding understanding to the existing literature on communications, putting results in context. Whether searching for in-depth information about a familiar area or an introduction into a new area, IEEE Communications Surveys & Tutorials aims to be the premier source of peer-reviewed, comprehensive tutorials and surveys, and pointers to further sources. IEEE Communications Surveys & Tutorials publishes only articles exclusively written for IEEE Communications Surveys & Tutorials and go through a rigorous review process before their publication in the quarterly issues. A tutorial article in the IEEE Communications Surveys & Tutorials should be designed to help the reader to become familiar with and learn something specific about a chosen topic. In contrast, the term survey, as applied here, is defined to mean a survey of the literature. A survey article in IEEE Communications Surveys & Tutorials should provide a comprehensive review of developments in a selected area, covering its development from its inception to its current state and beyond, and illustrating its development through liberal citations from the literature. Both tutorials and surveys should be tutorial in nature and should be written in a style comprehensible to readers outside the specialty of the article.