FIR channel-shortening equalizers for MIMO ISI channels

被引：132
|
作者：
Al-Dhahir, N [1 ]
机构：
[1] AT&T Labs Res, Shannon Lab, Florham Pk, NJ 07932 USA
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2001年 / 49卷 / 02期
关键词：
equalizers; FIR digital filters; mean square error methods; MIMO systems;
D O I：
10.1109/26.905867
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：
Finite-length delay-optimized multi-input multi-output (MIMO) equalizers that optimally shorten the impulse response memory of frequency-selective MIMO channels are derived. The MIMO equalizers are designed to minimize the average energy of the error sequence between the equalized MIMO channel impulse response and an MIMO target impulse response (TIR) with shorter memory. Two criteria for optimizing the MIMO TIR are analyzed and compared. The presented analytical framework encompasses a multitude of previously studied finite-length equalization techniques.
引用
收藏
页码：213 / 218
页数：6
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