LTE FDD网络空口随机接入容量评估与优化思路探讨

通过分析LTE FDD中PRACH结构和接入容量的关键影响因素,给出了LTE FDD空口接入极限容量估算方法;并与CDMA进行对比,LTE空口极限接入容量明显超过CDMA,一定程度上减缓了信令风暴问题。根据用户行为特征搭建随机接入模型,建立了LTE空口实际接入容量评估方法,能够指导用户聚集场景(如大型比赛、演唱会等场景)下的接入容量评估分析。最后,对LTE FDD接入容量的优化方法进行探讨,为运营商应对信令风暴问题提供参考,以确保网络的安全稳定运行。...

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Published inDianxin Kexue Vol. 30; no. S1; pp. 52 - 56
Main Author 黄飞泉 曾诚 赖晓彬 易爱华
Format Journal Article
LanguageChinese
Published 中国通信学会 01.09.2014
人民邮电出版社有限公司
Beijing Xintong Media Co., Ltd
Subjects
信令风暴;接入容量;PRACH;随机接入;前导序列
PRACH
前导序列
信令风暴
随机接入
接入容量
Online AccessGet full text
ISSN1000-0801

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Abstract 通过分析LTE FDD中PRACH结构和接入容量的关键影响因素,给出了LTE FDD空口接入极限容量估算方法;并与CDMA进行对比,LTE空口极限接入容量明显超过CDMA,一定程度上减缓了信令风暴问题。根据用户行为特征搭建随机接入模型,建立了LTE空口实际接入容量评估方法,能够指导用户聚集场景(如大型比赛、演唱会等场景)下的接入容量评估分析。最后,对LTE FDD接入容量的优化方法进行探讨,为运营商应对信令风暴问题提供参考,以确保网络的安全稳定运行。
AbstractList 通过分析LTE FDD中PRACH结构和接入容量的关键影响因素,给出了LTE FDD空口接入极限容量估算方法;并与CDMA进行对比,LTE空口极限接入容量明显超过CDMA,一定程度上减缓了信令风暴问题。根据用户行为特征搭建随机接入模型,建立了LTE空口实际接入容量评估方法,能够指导用户聚集场景(如大型比赛、演唱会等场景)下的接入容量评估分析。最后,对LTE FDD接入容量的优化方法进行探讨,为运营商应对信令风暴问题提供参考,以确保网络的安全稳定运行。
Author 黄飞泉 曾诚 赖晓彬 易爱华
AuthorAffiliation 中国电信股份有限公司广东无线网络中心4G推进中心
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SubjectTerms 信令风暴;接入容量;PRACH;随机接入;前导序列
Title LTE FDD网络空口随机接入容量评估与优化思路探讨
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