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	基于家庭基站移动通信系统的自适应时钟同步算法; Self-adaptive Clock Synchronization Algorithm Based on Femtocell Mobile Communication System
	陈昊 ; 唐余亮
	2013-05-28
关键词	时钟同步 时延抖动 噪声 递推最小二乘自适应滤波 synchronization delay jitter noise RLS self-adapting filter
英文摘要	家庭基站是安装在室内环境,面向家庭或企业用户的低功耗基站,它和宏基站一样需要全网时钟同步.家庭基站通过宽带城域网回传业务数据,借助该IP分组交换网实现家庭基站时钟同步是一种最有效的解决方案.然而,分组交换网络时延抖动会对同步精度造成很大影响.把时延抖动看成独立分布的噪声,以递推最小二乘(rlS)自适应滤波器模型滤除噪声,从而减小时延抖动对同步精度的影响.仿真结果表明,利用递推rlS自适应滤波器能使从时钟频率快速收敛于主时钟频率,且同步精度较高.同步精度满足家庭基站网络对同步精度的要求.; Femtocell is installed in the indoor environment for family and enterprise which have a lower power consumption.Femtocell need to clock synchronization is the same with macro base station.Femtocell pass back data base on broadband metropolitan area network.Base on packet switched data network is the most effective solution of clock synchronization.However,in packet switched data network,delay jitter has great effects on synchronous accuracy.In this paper,consider delay jitter as independent distribution noise,used RLS self-adapting filter to remove noise and reduced influence of delay jitter on the precision of synchronization.As the experimental results show,it can make slave clock frequency fast convergence in master clock and precision of synchronization more accuracy.The precision of synchronization can meet femtocell network′s requirements.
语种	zh_CN
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/123032]
专题	信息技术－已发表论文
推荐引用方式 GB/T 7714	陈昊,唐余亮. 基于家庭基站移动通信系统的自适应时钟同步算法, Self-adaptive Clock Synchronization Algorithm Based on Femtocell Mobile Communication System[J],2013.
APA	陈昊,&唐余亮.(2013).基于家庭基站移动通信系统的自适应时钟同步算法..
MLA	陈昊,et al."基于家庭基站移动通信系统的自适应时钟同步算法".(2013).

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