| LTE系统中随机接入过程研究 |
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| 引用本文： | 陈发堂,谢璘珂,何坚龙.LTE系统中随机接入过程研究[J].电视技术,2011,35(5):68-70. |
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| 作者姓名： | 陈发堂 谢璘珂 何坚龙 |
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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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| 摘 要： | LTE系统随机接入过程是用户终端实现上行同步,并与网络端建立连接的第一步,对系统性能有着重要的影响.首先介绍了LTE随机接入过程的触发情况和分类,然后详细说明了基于竞争和非竞争接入的过程步骤.通过对过程的分析研究列出了一些可能出现的问题,针对不同的情况给出了相应的解决措施.
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| 关 键 词： | LTE 随机接入 竞争冲突 自动重传请求 |
Research of Random Access Procedure in LTE System |
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| CHEN Fatang,XIE Linke,HE Jianlong.Research of Random Access Procedure in LTE System[J].Tv Engineering,2011,35(5):68-70. |
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| Authors: | CHEN Fatang XIE Linke HE Jianlong |
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| Affiliation: | CHEN Fatang,XIE Linke,HE Jianlong(School of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China) |
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| Abstract: | LTE random access procedure is the first step for UE to achieve uplink synchronization and communicate with network,it has an important effect for system performance.In this paper,the trigger conditions and types of LTE random access procedure are introduced,and the process of contention-based and contention-free random access procedures in detail are explained.Some problem according to the process analysis are found out,the corresponding methods for different conditions are presented. |
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| Keywords: | LTE |
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