Common-Mode Data Transmission Using the Binder Sheath in Digital Subscriber Lines

被引：8
|
作者：
Jagannathan, Sumanth [1 ]
Pourahmad, Vahbod [1 ]
Seong, Kibeom [1 ]
Cioffi, John M. [1 ]
Ouzzif, Meryem [2 ]
Tarafi, Rabah [2 ]
机构：
[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA
[2] Orange Labs, F-22307 Lannion, France
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2009年 / 57卷 / 03期
基金：
美国国家科学基金会;
关键词：
Common-mode; crosstalk; digital-subscriber-line (DSL); MIMO systems; multiconductor transmission lines; CANCELLATION;
D O I：
10.1109/TCOMM.2009.03.070050
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents the use of the common-mode signal in digital-subscriber-line (DSL) transmission. The DSL binder's metallic sheath is used as a common reference to obtain reliable channels for the common-mode signals. The direct and crosstalk channels for the common-mode signal are obtained using multi-conductor transmission line theory, and the data-rate improvement by exploiting these extra dimensions is presented. The lines in the binder are coordinated to cancel differential-mode crosstalk and also to avoid interference caused by radiation from the common-mode within the binder. The high level of common-mode noise is countered by exploiting the correlation between the differential- and common-mode noises. Numerical results based on the derived models show data-rate improvements of up to 100% compared to using only differential-mode transmission.
引用
收藏
页码：831 / 840
页数：10
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