摘要
在介绍LTE网络测试仪功能的基础上,阐述了S6a接口Diameter协议的基本概念和功能,设计了Diameter协议的监测方案。针对Diameter消息结构的特点,利用模块化的思想设计了Diameter协议的解码方案。针对以前网络监测技术中CDR(call detail record,呼叫详细记录)合成时效性不足的问题,提出了基于缓存索引算法和超时管理机制的CDR合成方案,保证了合成的有效性和准确性,大大提高了合成的效率。最后使用LTE现网数据对该方案进行测试,结果准确,效果良好。
On the basis of introducing the functions of LTE network tester, the Diameter protocol＇s basic concept and functions of S6a interface were described, and the Diameter protocol monitoring scheme were designed. In consideration of the characteristics of Diameter message structure, the Diameter protocol decoding scheme was designed with the idea of modularization. Previous networks monitoring technology for CDR synthetic has the problem of insufficient timeliness, so a new CDR synthetic scheme with caching index algorithm and overtime management mechanism was proposed. It ensures the effectiveness and the validity of CDR synthetic, greatly improving the efficiency of synthesis. Using the LTE networks data to test the scheme, the results are accurate and the effects are good.
出处
《电信科学》
北大核心
2014年第5期151-155,共5页
Telecommunications Science
基金
国家科技重大专项基金资助项目(No.2012ZX03001021-004)
国家发展和改革委员会电子信息产业振兴项目(No.2012[995])
国家火炬计划基金资助项目(No.2012GH011751)
