基于现网设备的TD-LTE4G移动通信实验教学系统构建

Construction of TD-LTE 4G mobile communication network experimental teaching system based on existing network devices

构建了由中兴公司现网设备eNodeB、核心网iEPC、万兆路由器、实验室管理系统和学生操作实习终端等构成的实验系统硬件平台,规划设计了实验系统全局资源参数、传输资源参数、邻接网元参数和小区参数,设计了训练学生工程能力的实验,并对实验进行了试做。实验结果表明,实验系统硬件平台可靠、网络参数设计合理,具备培训学生对LTE 4G现网设备的现场维护、设备安装及开通能力的功能,具有很强的实用性。

The building of an experimental teaching system of the fourth generation mobile communication network（TD‐LTE） based on existing network devices ,is significant to the training of mobile communication engineering and technical talents .The hardware platform of the system is built on network device eNodeB from ZTE company ,core network iEPC ,TenGigabits router ,laboratory management system and student operation terminal;the global resource parameter ,the transmission resource parameter ,the adjacent network element parameter and the residential parameter of the system are planed and designed ;the experiments combination to train students ’ engineering ability is determined; and the try‐out experiment is accomplished . The experimental result shows that the hardware platform of the system is reliable;the designed network parameters are reasonable;the system is capable of training students how to install ,power on and maintain in production LTE 4G network devices ,which can ensure the practicability of the system .