REDUCED COMPLEXITY BLIND CHANNEL ESTIMATION FOR ADAPTIVE CONSTRAINED MINIMUM VARIANCE RECEIVERS IN MC-CDMA SYSTEMS

被引：0

作者：

Medina, Cesar A. ^{[1
]}

Vinhoza, Tiago T. V. ^{[1
]}

Sampaio-Neto, Raimundo ^{[1
]}

机构：

[1] Pontificia Catholic Univ Rio de Janeiro PUC Rio, Ctr Telecommun Studies CETUC, Rio De Janeiro, Brazil

来源：

2008 IEEE 9TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS, VOLS 1 AND 2 | 2008年

关键词：

Multicarrier CDMA; blind channel estimation; adaptive interference suppression; linearly constrained minimum variance receivers;

D O I：

10.1109/SPAWC.2008.4641661

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 paper we propose a blind adaptive channel estimator for multicarrier CDMA systems. The proposed algorithm is derived from the stochastic gradient solution for the linearly constrained minimum variance detector and it is shown to present lower computational complexity when compared to a well-known solution. It is shown through computer simulations that both the channel estimation and receiver filter achieve a slightly better performance than previously proposed methods.

引用

页码：516 / 519

页数：4

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