LTE与3G互操作关键问题分析及优化研究  

Research on the Key Issues Analysis and Optimization of LTE and 3G Interoperation

作　　者：龙青良 

机构地区：[1]中国联通网络技术研究院,北京100048

出　　处：《邮电设计技术》2016年第2期55-60,共6页Designing Techniques of Posts and Telecommunications

摘　　要：若想充分发挥中国联通多网协同优势,实现"3G/4G一体化"目标,LTE与3G的互操作至关重要。通过对互操作方案选择、网络参数配置、终端和应用等影响LTE与3G数据业务互操作性能的关键问题进行分析研究,同时,结合CSFB语音呼叫流程对各关键阶段中影响语音性能的关键问题进行分析研究,针对影响用户感知的上述各类互操作关键问题给出相关解决方案。To give full play to China Unicom＇s multi-network synergies, achieve 4G/3G integration goal, the interoperability of LTE and 3G is the key to the solution. It analyzes and researches the key issues affecting the interoperation of LTE and 3G such as interoperation solution selection, network parameter configuration, terminal and applications. Combined with CSFB voice calf procedure, it also analyzes the key issues affecting voice performance. It provides the related solutions on the key interoperation issues affecting user perception.

关 键 词：LTE 互操作 电路域回退 用户感知 

分 类 号：TN929.5[电子电信—通信与信息系统]