| LTE系统ATTACH过程中PDN连接建立的研究与设计 |
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| 引用本文： | 彭大芹,马凤. LTE系统ATTACH过程中PDN连接建立的研究与设计[J]. 电视技术, 2012, 36(19) |
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| 作者姓名： | 彭大芹 马凤 |
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| 作者单位： | 重庆邮电大学通信与信息工程学院,重庆,400065 |
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| 基金项目： | 国家自然科学基金项目（面上项目，重点项目，重大项目） |
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| 摘 要： |
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| 关 键 词： | LTE协议栈 附着过程 分组数据网连接 树表结合表示法 |
| 收稿时间： | 2012-05-05 |
| 修稿时间： | 2012-06-11 |
Research and Design of PDN Connection Establishment of ATTACH Procedure in LTE System |
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| PENG Da-qin and MA Feng. Research and Design of PDN Connection Establishment of ATTACH Procedure in LTE System[J]. Ideo Engineering, 2012, 36(19) |
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| Authors: | PENG Da-qin and MA Feng |
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| Affiliation: | Chongqing University of Posts and Telecommunications,College of Communication and Information Engineering, Chongqing University of Posts and Telecommunications |
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| Abstract: | In order to enable always-on IP connectivity to the UE, the UE shall send the ATTACH procedure with PDN connection establishment, which is a default EPS bearer established procedure. In this paper, the LTE protocol stack structure of NAS level is described, the ATTACH procedure with PDN connection procedure is researched, and a method related the design of PDN connection establishment is put forward. This design avoids wasting of resources, and LTE terminal start process with appear unusual time EMM module with ESM intermodule mutual flow unified. PDN connection establishment procedure are tested and simulated through SDL/TTCN, and the results show this design in full compliance with the LTE standard. |
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| Keywords: | LTE protocol stack ATTACH procedure PDN connection TTCN |
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