节点文献
甚高速数字用户环路概述
An overview on very high bit-rate digital subscriber loop line
【摘要】 首先介绍了甚高速数字用户环路(VDSL)的一些基本规范,然后就VDSL的关键技术如QAM和DMT调制技术、频分复用以及用户区网关等作了描述,最后,展望了VDSL的发展前景。
【Abstract】 【Abstract】 Some basic standards on VDSL are introduced first. Then the use of single-carrier QAM and multi-carrier DMT are contrasted. Frequency division duplexing (FDD) and residential gateway are also discussed. Finally, the prospects of VDSL are envisioned.
- 【文献出处】 电视技术 ,Tv Engineering , 编辑部邮箱 ,2001年09期
- 【分类号】TN915.6
- 【下载频次】20