基于LTE实验平台视频即摄即传的设计与信令分析
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摘要
从介绍LTE移动通信网络的结构与各个网元的功能入手,设计基于LTE移动通信系统实验开发平台的视频即摄即传实验,搭建实验网络,并通过对基站与核心网进行配置实现网络的互联互通。利用Wireshark协议分析软件捕获报文,分析与验证Attach等关键业务流程。对基于实验开发平台所设计的实验进行验证并对信令进行分析,有助于高校学生掌握LTE移动通信网络端到端的工作原理,并从理论与实践两个方面深入理解LTE移动通信系统。
The architecture of LTE mobile communication system and function of each network element are introduced. The live video transmission experiment based on LTE mobile communication system experimental development platform is designed.The experimental network is set up. The connectivity is implemented by configuring the E-UTRAN and evolved packet core(EPC). Wireshark protocol analysis software is employed to capture messages,analyze and verify the key service processes such as Attach procedure. The experiment based on experimental development platform is verified,and the signaling is analyzed. The experiment platform is helpful to grasp the end-to-end working principle of the LTE mobile communication network,and deeply understand LTE mobile communication system in the aspects of theory study and practice.
The architecture of LTE mobile communication system and function of each network element are introduced. The live video transmission experiment based on LTE mobile communication system experimental development platform is designed.The experimental network is set up. The connectivity is implemented by configuring the E-UTRAN and evolved packet core(EPC). Wireshark protocol analysis software is employed to capture messages,analyze and verify the key service processes such as Attach procedure. The experiment based on experimental development platform is verified,and the signaling is analyzed. The experiment platform is helpful to grasp the end-to-end working principle of the LTE mobile communication network,and deeply understand LTE mobile communication system in the aspects of theory study and practice.
引文
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[8]张炎炎,孟繁丽,张新程,等.TD-LTE网络结构评估方法研究及预规划分析[J].电信工程技术与标准化,2014(1):10-15.ZHANG Yanyan,MENG Fanli,ZHANG Xincheng,et al. Research on evaluation method of TD-LTE network structure and pre-planning analysis of TD-LTE network structure[J]. Telecom engineering technics and standardization,2014(1):10-15.
[9]张明和.深入浅出4G网络:LTE/EPC[M].北京:人民邮电出版社,2016.ZHANG Minghe. A simple explanation to 4G network:LTE/EPC[M]. Beijing:The Posts and Telecommunications Press,2016.
[10] 3GPP. 3GPP TS 23.401:general packet radio service(GPRS)enhancements for evolved universal terrestrial radio access network(E-UTRAN)access[S/OL].[2017-09-11]. http://www.3gpp.org/ftp/Specs/archive/23_series/23.401/23401-f10.zip.
[11] 3GPP. 3GPP TS 33.401:3GPP system architecture evolution:security architecture[S/OL].[2017-09-25]. http://www.3gpp.org/ftp/Specs/archive/33_series/33.401/33401-f10.zip.
[2] DAHLMAN Erik.4G移动通信技术权威指南:LTE与LTE-Advanced[M].北京:人民邮电出版社,2012.DAHLMAN Erik. 4G LTE/LTE-advanced for mobile broadband[M]. Beijing:The Posts and Telecommunications Press,2012.
[3]钟登华.新工科建设的内涵与行动[J].高等工程教育研究,2017(3):1-6.ZHONG Denghua. The new connotation and action of new engineering construction[J]. Research in higher education of engineering,2017(3):1-6.
[4]章曙光,郭乐深,孙巧云.引进现网通信设备构建通信实验室[J].实验技术与管理,2012,29(6):109-111.ZHANG Shuguang,GUO Leshen,SUN Qiaoyun. Building telecommunication laboratory by introducing current network telecommunication equipments[J]. Experimental technology and management,2012,29(6):109-111.
[5]周海燕,李天松,符杰林,等.关于通信网络实验室建设的探索与思考[J].桂林电子科技大学学报,2009,29(2):180-184.ZHOU Haiyan,LI Tiansong,FU Jielin,et al. Exploration and thinking on the construction of telecommunication network laboratory[J]. Journal of Guilin University of Electronic Technology,2009,29(2):180-184.
[6] SESIA Stefania,TOUFIK Issam.LTE-UMTS长期演进理论与实践[M].马霓,钨钢,张晓博,等译.北京:人民邮电出版社,2009.SESIA S, TOUFIK I. LTE:the UMTS long term evolution:from theory to practice[M]. Translated by MA Ni,WU Gang,ZHANG Xiaobo,et al. Beijing:The Posts and Telecommunications Press,2009.
[7]王映民,孙韶辉.TD-LTE技术原理与系统设计[M].北京:人民邮电出版社,2010.WANG Yingmin,SUN Shaohui. The TD-LTE technical principle and system design[M]. Beijing:The Posts and Telecommunications Press,2010.
[8]张炎炎,孟繁丽,张新程,等.TD-LTE网络结构评估方法研究及预规划分析[J].电信工程技术与标准化,2014(1):10-15.ZHANG Yanyan,MENG Fanli,ZHANG Xincheng,et al. Research on evaluation method of TD-LTE network structure and pre-planning analysis of TD-LTE network structure[J]. Telecom engineering technics and standardization,2014(1):10-15.
[9]张明和.深入浅出4G网络:LTE/EPC[M].北京:人民邮电出版社,2016.ZHANG Minghe. A simple explanation to 4G network:LTE/EPC[M]. Beijing:The Posts and Telecommunications Press,2016.
[10] 3GPP. 3GPP TS 23.401:general packet radio service(GPRS)enhancements for evolved universal terrestrial radio access network(E-UTRAN)access[S/OL].[2017-09-11]. http://www.3gpp.org/ftp/Specs/archive/23_series/23.401/23401-f10.zip.
[11] 3GPP. 3GPP TS 33.401:3GPP system architecture evolution:security architecture[S/OL].[2017-09-25]. http://www.3gpp.org/ftp/Specs/archive/33_series/33.401/33401-f10.zip.
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