URLLC业务建模与仿真
首发时间:2019-04-01
摘要:高可靠低时延通信(URLLC)具有低时延和高可靠性的传输特性,针对此类业务的建模和性能评估是进行通信系统设计和规划的实际需求。本文采用包括会话层和分组层的两层模型对URLLC业务进行建模,会话层通过会话间隔和会话大小描述业务的会话请求特性,分组层的分组到达间隔和分组大小用于描述业务的分组特性,并针对配电自动化业务、车联网云计算游戏和增强驾驶业务进行了建模和仿真,分析了业务的数据速率。仿真结果表明,所采用的两层业务模型具有一定的准确性。
关键词: 通信与信息系统;URLLC业务;业务模型
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Service modeling and Simulation for URLLC
Abstract:Ultra reliable and low latency communication (URLLC) has the transmission characteristics of low latency and high reliability. The modeling and evaluation work of URLLC service is the necessary requirement of communication systemdesign and planning. In this paper, the URLLC service is modeled by a two-layer model including a session layer and a packet layer. The session layer describes the session request characteristicsthrough the session arrival interval and the session size. The inter arrival time and size of the packetare used to describe the packet characteristicsin packet layer. The electricity distributionautomation service, cloud computing game and enhanced driving service under eV2X scenario are modeled and simulated , the data rate of each service is analyzed as well. The simulation results show that the adopted two-layer service model has obtained a certain degree of accuracy.
Keywords: Communication and information system URLLC service service model
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