论文标题
在ran Slacing中共享GNB组件：3GPP/NFV标准的视角
Sharing gNB components in RAN slicing: A perspective from 3GPP/NFV standards
论文作者
论文摘要
要实现每个无线电访问网络（RAN）SLICE子网中存在的下一代节点（GNB），网络函数虚拟化（NFV）可以将某些GNB组件的部署作为虚拟网络函数（VNFS）。为这些组件部署各个VNF实例可以保证每个RAN SLICE子网的自定义。但是，由于VNF的多样性，与单个VNF实例携带所有RAN SLICE子网的汇总流量相比，所需数量的虚拟资源将更大。 RAN SLICE子网之间共享GNB组件可以优化定制，隔离和资源利用率之间的权衡。在本文中，我们阐明了共享GNB组件的第三代合伙项目（3GPP）/NFV标准的关键方面。首先，我们确定共享GNB组件的四种可能的方案。然后，我们分析共享对每个RAN SLICE子网的自定义水平的影响。稍后，我们确定能够在SLICE子网之间隔离的主要因素。最后，我们提出了一个基于3GPP/NFV的描述模型，以定义共享GNB组件的生命周期管理
To implement the next Generation NodeBs (gNBs) that are present in every Radio Access Network (RAN) slice subnet, Network Function Virtualization (NFV) enables the deployment of some of the gNB components as Virtual Networks Functions (VNFs). Deploying individual VNF instances for these components could guarantee the customization of each RAN slice subnet. However, due to the multiplicity of VNFs, the required amount of virtual resources will be greater compared to the case where a single VNF instance carries the aggregated traffic of all the RAN slice subnets. Sharing gNB components between RAN slice subnets could optimize the trade-off between customization, isolation and resource utilization. In this article, we shed light on the key aspects in the Third Generation Partnership Project (3GPP)/NFV standards for sharing gNB components. First, we identify four possible scenarios for sharing gNB components. Then, we analyze the impact of sharing on the customization level of each RAN slice subnet. Later, we determine the main factors that enable isolation between RAN slice subnets. Finally, we propose a 3GPP/NFV-based description model to define the lifecycle management of shared gNB components
