Unbiased decision feedback equalization

被引：3

作者：

Papadias, CB ^{[1
]}

Paulraj, AJ ^{[1
]}

机构：

[1] AT&T Bell Labs, Lucent Technol, Wireless Commun Res Dept, Holmdel, NJ 07733 USA

来源：

1998 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY - PROCEEDINGS | 1998年

关键词：

D O I：

10.1109/ISIT.1998.709053

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：

We consider the problem of decision feedback equalization (DFE) with the use of finite impulse response (FIR) filters. We show that, contrarily to what seems to be believed, unbiased finite-length DFE solutions exist for any FIR channel, provided that the feed-forward (FFF) and feedback (FBF) filter lengths me properly chosen. This allows for the derivation of the expressions for the optimal zero-forcing (ZF) and minimum-mean-square error (MMSE) finite-length solutions. The result can be also used as a guideline for choosing the lengths of the FFF and FBF DFE filters.

引用

页码：448 / 448

页数：1

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