A Novel Detection Algorithm Based on Capon Beamforming for V-BLAST Systems

A common problem with the exiting V-BLAST detection algorithm is that needs perfect channel information at receiver. But perfect channel information is unavailable in practice, so channel error dramatically degrades the performance of the V-BLAST system. In this paper we design a V-BLAST detector th...

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Bibliographic Details
Published in2012 Spring Congress on Engineering and Technology pp. 1 - 4
Main Authors Jinlong Zhan, Jianjun Lu, Guangyue Lu
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2012
Subjects
Channel estimation
Detection algorithms
Detectors
Interference
Receiving antennas
Robustness
Vectors
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Summary:A common problem with the exiting V-BLAST detection algorithm is that needs perfect channel information at receiver. But perfect channel information is unavailable in practice, so channel error dramatically degrades the performance of the V-BLAST system. In this paper we design a V-BLAST detector that is robust to channel error. From the point of array signal processing, we present a detection method that is the same as MMSE criterion. Based on the presented method, according to the subspace theory, we develop a robust V-BLAST detector. Computer simulations indicate that the performance of our new robust detector is superior.
ISBN:9781457719653
1457719657
DOI:10.1109/SCET.2012.6342134