基于毫米波空中基站的5G网络容量自主增强机制与算法

Facing with the urgent need of 5G network capacity enhancement, millimeter-wave Aerial Base Station (mAeBS), combined the millimeter-wave communication technologies with aerial base station, gives full play to the advantages of millimeter-wave communication and aerial base station, and will become one of the important means to enhance the network capacity in 5G system. However, there is a lack of systematic research on the 5G network capacity enhancement based on mAeBS. There are some problems, such as the wireless coverage model and capacity evaluation model of mAeBS are not accurate, the aerial base station deployment mechanism is not perfect without considering the millimeter-wave characteristics, and there is no research on the correlation mechanism between mAeBS and users, as.well as the research on backhaul link between mAeBS and ground base station. Therefore, this project will carry out research on the above issues..Based on the mAeBS self-deployment management architecture and management process, the project intends to carry out the research on three aspects: 1) to establish accurate coverage model and capacity evaluation model of mAeBS; 2) to propose the mAeBS 3D self-deployment mechanism oriented to 5G network capacity enhancement; 3) to design the joint optimization algorithm of the mAeBS with the users and ground base station, and to realize the user access and accurate tracking based on the beamforming technology. By solving the above key technology problems, the mAeBS will become an effective way to realize the network capacity enhancement in 5G system.

面对5G网络容量增强的迫切需求，将毫米波通信技术与空中基站相结合形成毫米波空中基站，充分发挥毫米波通信和空中基站的优势，将成为5G系统中增强网络容量的重要手段之一。但是目前尚缺乏对基于毫米波空中基站进行5G网络容量增强的系统研究，存在毫米波空中基站无线覆盖和容量评估模型不准确、未考虑毫米波特性的空中基站部署机制不完善、缺少毫米波空中基站与用户及地面基站间关联机制的研究等问题，因此本项目将针对上述问题开展研究。本项目拟在确立毫米波空中基站的自主部署管理架构和管理流程的基础上，开展三方面研究：1）建立毫米波空中基站的精确覆盖模型和容量评估模型；2）提出面向容量增强的毫米波空中基站的3D自主部署机制；3）设计毫米波空中基站与用户及地面基站间的联合优化关联算法，并基于波束赋形技术实现对用户的接入和精准跟踪。通过解决上述关键技术问题，使得毫米波空中基站成为实现5G网络容量增强的有效途径。

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