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shdsl dui cheng gao su shu zi yong hu xian lu jie ru ji shu
Pages: 40+42
Year: Issue:  3
Journal: Electronic Component & Device Applications

Abstract: 对于宽带接入技术,人们比较熟悉、也最常用的是不对称数字用户线路A D S L(AsymmetricalDigitalSubscriberLine),ADSL能实现Internet接入以及VOD等不对称业务。但也正是由于ADSL速率的不对称性,使得ADSL的应用存在不少局限。特别是商用宽带需求环境是一个双向的、对称的流量环境,对性能波动的容忍度比较低,ADSL接入技术已越来越不能满足人们对频宽和流量的需求。于是,人们开始关注SHDSL技术。SHDSL(SymmetricalHighbiteDigitalSubscriberLine)对称高速数字用户线路是由ITU-T定义的在单对双绞线上提供传输双
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