| 摘要: |
| 本文首先介绍了VDSL的体系结构，然后就实现VDSL接入的关键技术如线路编码技术，以及复用技术和回波抵消技术等相关技术进行了分析，最后指出了VDSL的发展现状和前景。 |
| 关键词: 因特网 VDSL 数字用户环路接入 通信网 接入网 |
| DOI：10.3969/j.issn.1001-893X. |
| Revised:December 06, 2000 |
| 基金项目: |
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| VDSL Digital Loop Access and Key Technology |
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| Abstract: |
| VDSL is the technology for a very high bit rate DSL.In fact,it is the fast edition of ADSL. This paper introduces the system structure of VDSL, and then analyses the key technology of VDSL access , such as line code technology and its correlative technology, and finally ponits out its development status and future. |
| Key words: VDSL,Line code,Multiplexing, |
