Optimum space-time processors with symbol-rate sampling are bandlimited

被引：1

作者：

Kalbasi, R ^{[1
]}

Falconer, DD ^{[1
]}

Banihashemi, AH ^{[1
]}

机构：

[1] Carleton Univ, Dept Syst & Comp Engn, Ottawa, ON K1S 5B6, Canada

来源：

IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2006年 / 54卷 / 05期

关键词：

bandwidth optimization; FDMA; multiple-input multiple-output (MIMO); precoding; pre-equalization; space-time processing; transmitter-receiver optimization;

D O I：

10.1109/TSP.2006.872603

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 correspondence considers the problem of joint transmitter and receiver design for multiple-input multiple-output (MIMO) channels under the mean-square error (MSE) criterion when the system is not necessarily bandlimited. It is proven that the optimum space-time filters are strictly bandlimited to a frequency set. The aggregated bandwidth of this set is at most the number of the substreams times symbol rate. The optimal frequency sets corresponding to different substreams are disjoint, if two maximum channel eigenmodes are not equal for the same Nyquist translate.

引用

页码：1936 / 1941

页数：6

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