蜂窝移动网络拥塞控制机制研究综述  

A survey of congestion control mechanisms in cellular networks

作　　者：李莉莉 周建二 李清 段经璞 王志强 LI Lili;ZHOU Jianer;LI Qing;DUAN Jingpu;WANG Zhiqiang(Future Network Research Institute,Southern University of Science and Technology,Shenzhen 518055;Pengcheng Laboratory,Shenzhen 518055;Granduate School at Shenzhen,Tsinghua University,Shenzhen 518057)

机构地区：[1]南方科技大学未来网络研究院,深圳518055 [2]鹏城实验室,深圳518055 [3]清华大学深圳研究生院,深圳518057

出　　处：《高技术通讯》2022年第10期1036-1048,共13页Chinese High Technology Letters

基　　金：国家重点研发计划(2019YFB1802800);国家自然科学基金(62002149);鹏城实验室宽带通信研究部(PCL2021A15)资助项目。

摘　　要：网络拥塞控制是保证提供可靠公平的网络服务的基础。5G网络在组网架构、网络性能和业务需求等方面的升级,给网络拥塞控制提出了新的挑战。针对5G网络特征,研究人员提出了多种具有针对性的网络拥塞算法。本文首先从5G网络整体框架、5G网络关键技术、蜂窝网络常用模型和部署情况等方面,分析5G网络的特征。然后介绍传统拥塞控制算法,分析传统拥塞算法在5G蜂窝网络中的局限性。根据5G网络特征,分类分析针对蜂窝移动网络的拥塞控制算法。最后分析针对5G网络,拥塞控制算法可能的新的优化方向。Network congestion control is the basis for ensuring reliable and fair network services.The upgrading of 5G networks in terms of networking architecture,network performance,and service requirements poses new challenges to network congestion control.In view of the characteristics of the 5G,researchers have proposed a variety of network congestion algorithms.This paper first analyzes the characteristics of the 5G from the aspects of the overall framework of the 5G,the key technologies of the 5G,the commonly used models and deployment conditions of the cellular network,and so on.Then it introduces traditional congestion control algorithms and analyzes their limitations in 5G cellular networks.According to the features of the 5G,the congestion control algorithms for the cellular network are classified and analyzed.Finally,the potential new optimization directions for congestion control algorithms in 5G networks are discussed.

关 键 词：蜂窝网络 5G拥塞控制 网络特征 算法分类 

分 类 号：TN929.5[电子电信—通信与信息系统]