移动确定性网络是5G和确定性网络的深度融合，可定义为实现端到端的、确定性性能传输的3GPP网络。它的目标是构建一个能为确定性业务提供有界延迟、极高可靠性、极低分组丢失率和极低延时抖动的移动通信网络。由于移动网络中存在着大量的第二层（MAC层）网络设备，如何在第二层实现确定性QoS是移动确定性网络的关键。本项目的研究目标是在移动确定性网络的MAC层提供确定性的带宽保证和有界延时。研究内容包括：1)实现确定性QoS的物理交换；2)实现确定性QoS的虚拟交换；3)实现确定性QoS的无线空口MAC层调度; 4)仿真和实测平台的搭建。由于国际标准草案才刚刚发布，二层网络确定性的理论和原理都处于讨论阶段，可借鉴的内容较少，缺乏系统的支持和理论的指导，大量的科学问题亟待解决，急需对其背后的机理进行原创性的研究。本课题聚焦二层确定性QoS的研究，兼具创新性和挑战性，有鲜明特色和重要的理论研究价值。

A mobile deterministic network is a deep convergence of 5G and deterministic networks. It can be defined as a 3GPP network that enables end-to-end, deterministic performance transmission. The goal of mobile deterministic networks is to build a mobile communication network that provides bounded delay, extremely high reliability, very low packet loss rate, and very low delay jitter for deterministic services. Since there are a large number of Layer 2 (MAC layer) network devices in the mobile network, how to implement deterministic QoS at the second layer is the key issue. The research goal of this project is to provide bandwidth and delay guarantees at the MAC layer of mobile deterministic networks. The research contents include: 1) deterministic performance at physical switches; 2) deterministic performance at virtual switches; 3) deterministic performance at wireless MAC layer scheduling; 4) construction of simulation and demonstration platforms. Since the standard draft has just been released, the theory and principle of deterministic QoS at the MAC layer are in the discussion stage. There is little related work. It is lack of systematic research and theoretical guidance. A large number of scientific problems need to be solved urgently, and the mechanism behind it is not clear. This project focuses on the research of deterministic QoS at MAC layer, which is both innovative and challenging. Indeed, it is with the distinct features and important theoretical values.