A novel algorithm to improve the blind receiver for convolutive MIMO systems

Author

Habibi, Iman ; Masnadi-Shirazi, Mohammad Ali ; Habibi-Ardekani, Pegah

Author_Institution

Dept. of Electr. Eng., Shiraz Univ., Shiraz, Iran

fYear

2009

fDate

7-10 Sept. 2009

Firstpage

629

Lastpage

632

Abstract

A novel approach is presented to convert the convolutive multiple-input multiple-output (MIMO) system with specified number of real receive antennas to an instantaneous MIMO system with virtual larger number of receive antennas. To achieve this goal the signal model in subspace-based channel shortening for the blind separation of convolutive mixtures has been reformulated and the corresponding virtual MIMO system has been presented. Then independent component analysis (ICA) algorithm is employed to evaluate the transmitted data. By virtual increase of the number of antennas the performance of the system improves significantly. Also a modification on the proposed approach for the case of BPSK modulation reduces the required number of receive antennas to half. Overall results have been verified via simulation.

Keywords

MIMO communication; independent component analysis; radio receivers; BPSK modulation; blind receiver; blind separation; convolutive MIMO systems; convolutive mixtures; independent component analysis; real receive antennas; virtual larger number; Binary phase shift keying; Blind equalizers; Blind source separation; Independent component analysis; MIMO; OFDM modulation; Receiving antennas; Source separation; Training data; Transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communication Systems, 2009. ISWCS 2009. 6th International Symposium on

Conference_Location

Tuscany

Print_ISBN

978-1-4244-3584-5

Electronic_ISBN

978-1-4244-3584-5

Type

conf

DOI

10.1109/ISWCS.2009.5285306

Filename

5285306