| 请求计时到引起手机WAP接入失败的协议分析 |
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| 引用本文： | 林巍,曹若云.请求计时到引起手机WAP接入失败的协议分析[J].现代电子技术,2006,29(5):16-18,21. |
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| 作者姓名： | 林巍 曹若云 |
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| 作者单位： | 1. 广东移动通信有限责任公司,顺德分公司,广东,顺德,528300
2. 中山大学,信息科学与技术学院,广东,广州,510275 |
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| 摘 要： | 针对请求计时到引起GPRS网络中手机WAP接入失败的情况,从WAP协议栈中的WSP协议层、WTP协议层、GPRSRLC/MAC协议层以及GSMUm接口第三层对同时在GPRSGb接口和GSMUm接口采集到的消息进行了关联的协议分析。分析结果表明,请求计时到引起GPRS网络中手机WAP接入失败是由于在超时重传消息过程中手机侧的WTP协议层无响应所致,与GPRS无线承载网络及GSMUm接口无关。
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| 关 键 词： | WAP GPRS 接口 协议 |
| 文章编号： | 1004-373X（2006）05-016-03 |
| 收稿时间： | 2005-10-10 |
| 修稿时间： | 2005-10-10 |
Protocol Analysis of MS Web Access Failure due to Request Timed out |
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| LIN Wei,CAO Ruoyun.Protocol Analysis of MS Web Access Failure due to Request Timed out[J].Modern Electronic Technique,2006,29(5):16-18,21. |
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| Authors: | LIN Wei CAO Ruoyun |
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| Affiliation: | 1. Shunde Branch,Guangdong Mobile Communication Co. Ltd. ,Shunde,528300,China; 2. School of Information Science and Technology,Sun Yat-Sea University,Guangzhou,510275,China |
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| Abstract: | This paper presents the related protocol analysis of the messages collected simultaneously at the GPRS Gb interface,and the GSM Um interface with regard to the WAP access failure of mobile station in the GPRS network due to request timed out.The WSP protocol layer and the WTP protocol layer in the WAP protocol stack,the GPRS RLC/MAC protocol layer and GSM Um interface layer three are analyzed.Analysis results show that the reason for the WAP access failure of mobile station in the GPRS network,due to request timed out is that the WTP protocol layer in the mobile station side gives no response during the retransmission of the message in the WTP protocol layer,because of time out and the failure has no relation with the GPRS radio bearer network and GSM Um interface. |
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| Keywords: | WAP GPRS interface protocol |
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