电子测量与仪器学报

刘祖深,张煜.LTE-Advanced空口监测与分析关键技术研究[J].电子测量与仪器学报,2017,31(12):1881-1889

LTE-Advanced空口监测与分析关键技术研究

Research on the key technologies of LTE advanced uu monitoring and analysis

DOI：10.13382/j.jemi.2017.12.001

英文关键词:uu RRC encryption business behavior sensing multi user access

基金项目:国家科技重大专项03专项基金(2017ZX03002001)资助项目

作者	单位
刘祖深	中国电子科技集团公司第四十一研究所蚌埠233010
张煜	电子信息测试技术安徽省重点实验室蚌埠233010

Author	Institution
Liu Zushen	The 41st Institute of CETC, Bengbu 233010, China
Zhang Yu	Anhui Province Key Laboratory of Electronic Information Testing Technology, Bengbu 233010, China

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中文摘要:

空口是终端和基站之间接口，用来建立、重配置和释放各种无线承载业务，是完全开放并保证不同制造商生产的设备互联互通的重要接口，LTE Advanced空口监测针对最为复杂的空口协议，提供了对空口无线信号的监测和检查的手段，为终端、网络的一致性测试提供第三方评价工具。整体设计通过构建LTE Advanced空口监测与分析仪表的总体方案，采用多用户随机接入、空口协议分析、安全算法、载波聚合以及多用户业务行为感知的检测与分析等多项关键技术，实现了LTE Advanced空口L1、L2、L3的协议栈监测、跨层关联分析、5载波聚合分析、48用户业务跟踪、信令过程和用户业务行为监测等完整的空口监测功能。测试和验证结果表明，所有测试均符合标准协议流程，与基站和终端之间实际行为完全一致，为通信设备互联互通存在的各类故障分析和定位提供重要的测试手段，对TD LTE Advanced网络建设与优化具有重要意义。

英文摘要:

Uu is defined as the interface between UE and base station, and which undertakes the establishment, reconfiguration, release of wireless carrier service, guarantees the interconnection and intercommunication of equipment from different manufacturers. LTE Advanced uu monitoring instruments based on the most complex protocol provide detection and inspection method for uu wireless signals and third party evaluation tool for conformance testing of UE and networks. The conceptual design scheme for LTE Advanced uu monitoring and analyzing instrument is introduced in the paper. Furthermore, the key technologies including multi user random access, uu protocol analysis, security algorithm, carrier aggregation and multi user behavior sensing are adopted to realize the function of L1, L2, L3 protocol analysis for LTE Advanced uu, cross level correlation analysis, 5 carrier aggregation analysis, 48 user service tracing, signal processing and user behavior monitoring. All testing process accord with standard protocol flow, and the results are full agreement with the actual behavior of UE and base station. Therefore, the testing means for fault diagnostics and locating of equipment interconnection and intercommunication are provided, and it makes great sense for TD LTE Advanced network construction and optimization.

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