FEEDBACK BEAMFORMER DESIGN WITH OVERSAMPLING ADCS IN MULTI-ANTENNA SYSTEMS

被引：1

作者：

Venkateswaran, Vijay ^{[1
]}

van der Veen, Alle-Jan ^{[1
]}

机构：

[1] Delft Univ Technol, Fac EEMCS, NL-2628 CD Delft, Netherlands

来源：

2010 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2010年

关键词：

multi-antenna systems; oversampling ADCs; source separation; linear prediction;

D O I：

10.1109/ICASSP.2010.5495980

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper designs a feedback beamformer (FBB) operating in combination with multiple low resolution ADCs of a MIMO communication system, to cancel the interfering users. Interference cancellation before the ADC operation saves the power spent in digitizing the interferers. We specify the necessary conditions required to cancel the interferers and propose a FBB design technique using only the training information from the desired user. We show using simulation results, that the FBB improves the dynamic range by a factor of three.

引用

页码：3426 / 3429

页数：4

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