基于LTE-A系统终端侧EPS承载多实例管理的设计与实现  

Research of Bearer Control Entity BC in UE Side of LTE-A System

作　　者：陈发堂[1] 谷小勇[1] 王晓娟[1] 李培林[1] 方一鸣[1] CHEN Fatang , GU Xiaoyong, WANG Xiaojuan, LI Peilin, FANG Yiming(Chongqing Key Lab of Mobile Communications, Chongqing University of Posts and Telecommunications, Chongqing 400065, Chin)

机构地区：[1]重庆市移动通信技术重点实验室重庆邮电大学,重庆400065

出　　处：《电子器件》2017年第5期1292-1296,共5页Chinese Journal of Electron Devices

基　　金：国家科技重大专项项目(2012ZX03001024)

摘　　要：LTE-A系统在传输用户业务数据时ESM子层即不能实时管理物理承载的使用,也不能实现上行数据流模板UL-TFT(Uplink Traffic Flow Template)的功能。为了正确传输用户数据并获得相应的业务的服务质量Qo S(Quality of Service),在用户平面中增加承载控制实体BC,通过对UL-TFT和EPS承载路由信息管理进行设计,搭建基于TTCN-3(Testing and Test Control Notation version 3)测试系统的终端无线资源管理(RRM)一致性测试平台,对流程设计进行验证。与UMTS系统相比,利用多实体管理技术,承载建立和业务数据传输的时延明显减少。The ESM sub-layer cannot be used to manage the use of bearer,it cannot implement the function of up-link traffic flow template（ UL-TFT） in the LTE system either. In order to transferring user＇s data correctly and obtaining corresponding Qo S service,it is necessary to add a bearer control entity BC in user plan during designing of protocol stack in UE,which can manage bearers and identify service data flows（ Service Data Flow,SDF）. Because of advantages of LTE system,the time delay of establishing bearers and transferring transaction data is less than UMTS.

关 键 词：LET-A EPS承载 承载控制BC TTCN-3 

分 类 号：TP929.5[自动化与计算机技术]