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Intelligent RAN Slicing for Broadband Access in the 5G and Big Data Era
IEEE Communications Magazine ( IF 11.2 ) Pub Date : 2020-08-01 , DOI: 10.1109/mcom.001.2000013
Teong Chee Chuah , Ying Loong Lee

As the 5G pace is quickening, enabled by rapid coverage rollout and availability of devices, the fixed broadband market is poised to become more competitive. We envision that 5G NS can emerge as a game changer that accelerates the development of FMC while counterintuitively opening up opportunities for fixed operators and the like in need of higher access network capability by leveraging NS-assisted FMC. In this article, we present an architectural framework to foster cross-industry infrastructure collaboration from a RAN slicing perspective with the aim of reducing network costs and improving rollout efficiency in the broadband ecosystem. Under this framework, RAN slicing can turn wireless access into an anchor service offering that can be exploited by not only existing mobile operators with licensed spectrum, but by a host of slice tenants including fixed wireless access startups, digital subscriber line operators, and converged operators. In the latter instances, independent RAN slices can be instantiated and granularly scaled to support these tenants who may not own mobile infrastructure or spectrum, while maximizing reuse of their live networks. Following a discussion on the market drivers and rationales for RAN slicing, we outline some RAN slicing options for different operators to realize resource isolation and allocation. Furthermore, a big data-driven, artificial-intelligence- powered RAN slicing and resource management framework is introduced for enabling RAN automation. Finally, several future challenges are identified.

中文翻译:

5G和大数据时代宽带接入的智能RAN切片

随着 5G 步伐的加快,在快速覆盖部署和设备可用性的推动下,固定宽带市场有望变得更具竞争力。我们设想 5G NS 可以成为加速 FMC 发展的游戏规则改变者,同时通过利用 NS 辅助 FMC 为需要更高接入网络能力的固定运营商等提供违反直觉的机会。在本文中,我们提出了一个架构框架,从 RAN 切片的角度促进跨行业基础设施协作,旨在降低网络成本并提高宽带生态系统的部署效率。在这个框架下,RAN 切片可以将无线接入转变为一种锚服务产品,不仅可以被拥有许可频谱的现有移动运营商利用,但由许多切片租户组成,包括固定无线接入初创公司、数字用户线运营商和融合运营商。在后一种情况下,独立的 RAN 切片可以被实例化和精细扩展,以支持这些可能不拥有移动基础设施或频谱的租户,同时最大限度地重用他们的现网。在讨论了 RAN 切片的市场驱动因素和基本原理之后,我们概述了不同运营商实现资源隔离和分配的一些 RAN 切片选项。此外,还引入了大数据驱动、人工智能驱动的 RAN 切片和资源管理框架,以实现 RAN 自动化。最后,确定了几个未来的挑战。独立的 RAN 切片可以实例化和精细扩展,以支持这些可能不拥有移动基础设施或频谱的租户,同时最大限度地重用他们的现网。在讨论了 RAN 切片的市场驱动因素和基本原理之后,我们概述了不同运营商实现资源隔离和分配的一些 RAN 切片选项。此外,还引入了大数据驱动、人工智能驱动的 RAN 切片和资源管理框架,以实现 RAN 自动化。最后,确定了几个未来的挑战。独立的 RAN 切片可以实例化和精细扩展,以支持这些可能不拥有移动基础设施或频谱的租户,同时最大限度地重用他们的现网。在讨论了 RAN 切片的市场驱动因素和基本原理之后,我们概述了不同运营商实现资源隔离和分配的一些 RAN 切片选项。此外,还引入了大数据驱动、人工智能驱动的 RAN 切片和资源管理框架,以实现 RAN 自动化。最后,确定了几个未来的挑战。我们概述了不同运营商的一些 RAN 切片选项,以实现资源隔离和分配。此外,还引入了大数据驱动、人工智能驱动的 RAN 切片和资源管理框架,以实现 RAN 自动化。最后,确定了几个未来的挑战。我们概述了不同运营商的一些 RAN 切片选项,以实现资源隔离和分配。此外,还引入了大数据驱动、人工智能驱动的 RAN 切片和资源管理框架,以实现 RAN 自动化。最后,确定了几个未来的挑战。
更新日期:2020-08-01
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