Performance Analysis of Zero Forcing Crosstalk Canceler in Vectored VDSL2

被引：13

作者：

Zafaruddin, S. M. ^{[1
]}

Prakriya, Shankar ^{[1
]}

Prasad, Surendra ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, New Delhi 110016, India

来源：

IEEE SIGNAL PROCESSING LETTERS | 2012年 / 19卷 / 04期

关键词：

Crosstalk cancellation; VDSL2; zero forcing; BOUNDS;

D O I：

10.1109/LSP.2012.2188287

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：

In this letter, we analyze the performance of a zero forcing (ZF) crosstalk canceler/precoder in vectored VDSL2. We show that there is gap between the theoretical capacity and the performance of the ZF canceler/precoder at higher frequencies and/or large number of vectored users. Unlike bounds developed to date, the tight rate approximations presented in this paper are valid over all frequency bands, even when the number of vectored users is large. Numerical results confirm the tightness of the derived approximations.

引用

页码：219 / 222

页数：4

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