车联网技术向着智能化、网联化方向演进，其中V2X（Vehicle to Everything）通信技术是智能网联汽车实现环境感知和信息交互的关键技术。本项目拟研究基于软件定义网络（SDN）和多接入边缘计算（MEC）的车联网5G-V2X通信网络架构及其相关技术，包括：1）5G新空口、网络切片和D2D通信应用于V2X的通信技术；2）SDN车载网架构、分布式SDN控制器部署和控制信息快速传播机制；3）MEC服务器的部署方案、MEC数据卸载与资源分配策略、通信资源与计算资源融合机制；4）SDN与MEC协作应用于5G-V2X通信的群集管理、拥塞控制、移动性管理和QoS保障机制；5）无证书聚合签名验证和隐私保护方案。研究内容力求提升车联网5G-V2X通信的高可靠性、低时延、高速率和高安全性等性能，期望满足未来自动驾驶技术应用需求，为制定5G-V2X技术标准、构建智慧出行服务体系提供理论依据和技术支撑。

Since the technologies for Internet of Vehicles (IoV) are evolving in the directions of the intelligence and networking, in which, the vehicle to everything (V2X) communication technology serves as the critical technology of the environment sensing and information interactions for the intelligent connected vehicles (ICV). The researches of this project are the software defined network (SND) and multi-access edge computing (MEC) based network architecture of 5G-V2X communication and related technologies in IoV, including: 1) the applications of the 5G new radio (5G-NR), network silicing, and device to device (D2D) for the V2X communications; 2) the deployments of the software defined vehicular network architectures and distributed SDN controllers deployments, as well as the rapid propagation mechanism of the control information; 3) the deployment schemes for the MEC server, the computation offloading and resource allocation strategies of MEC, meanwhile that of the fusion mechanisms for communication and computing resources; 4) the cooperation of the SDN and MEC applied to the cluster management, congestion control, mobility management and QoS guarantee mechanism for the 5G-V2X communications; 5) the certificateless aggregate signature authentications and privacy protection schemes. Specifically, the researches aim to improve the performance involving the high reliability, low latency, high rate and high security in the 5G-V2X communication, which satisfy the application requirements of the future autonomous driving technology, meanwhile provide the theoretical basis and technical supports for the setting technical standards for 5G-V2X and constructing smart travel service systems.