无线电通信技术2024，Vol.50Issue(4)：618-624,7.DOI:10.3969/j.issn.1003-3114.2024.04.001
5G物联网接入及数据传输的跨层建模与性能分析
Cross-layer Modeling and Performance Analysis of Access and Data Transmission in 5G for Internet of Things
摘要
Abstract
The explosive growth in internet of things devices poses great challenges for establishing and managing 5G bearer links.To effectively support massive internet of things communications,this paper comprehensively considers the processes of establishing,maintaining,and releasing massive bearer links.With the help of discrete time queuing theory,focusing on the 5G Medium Access Con-trol(MAC)and Radio Resource Control(RRC)layer protocol,a queuing model is constructed for random access to devices and data transmission process.Based on this model,the mathematical expressions of key performance indicators such as energy efficiency and data throughput concerning system parameters such as data transmission rate,node data arrival rate and inactive timer are derived and verified by simulation.This paper provides a cross-protocol layer mathematical model to support the analysis of massive device communi-cation scenarios.It has important guiding significance for designing network configuration schemes in such scenarios.关键词
跨层建模/随机接入/数据传输/性能分析/离散时间排队论Key words
cross-layer modeling/random access/data transmission/performance analysis/discrete-time queuing theory分类
信息技术与安全科学引用本文复制引用
郭泓志,詹文,孙兴华..5G物联网接入及数据传输的跨层建模与性能分析[J].无线电通信技术,2024,50(4):618-624,7.基金项目
深圳市科技计划资助项目(RCBS20210706092408010) （RCBS20210706092408010）
广东省基础与应用基础研究基金(2024A1515012015)Shenzhen Science and Technology Program(RCBS20210706092408010) （2024A1515012015）
Guangdong Basic and Applied Basic Research Foundation(2024A1515012015) （2024A1515012015）
