An invariant matrix structure in multiantenna communications

This letter shows that the matrix structure with 2/spl times/2 Alamouti sub-blocks remains invariant under several nontrivial matrix operations, including matrix inversion, Schur complementation, Riccati recursion, triangular factorization, and QR factorization.

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Bibliographic Details
Published inIEEE signal processing letters Vol. 12; no. 11; pp. 749 - 752
Main Authors Sayed, A.H., Younis, W.M., Tarighat, A.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.11.2005
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Alamouti code
invariant matrix structure
matrix inversion
matrix structure
QR factorization
Riccati equations
Riccati recursion
Schur complementation
triangular factorization
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Summary:This letter shows that the matrix structure with 2/spl times/2 Alamouti sub-blocks remains invariant under several nontrivial matrix operations, including matrix inversion, Schur complementation, Riccati recursion, triangular factorization, and QR factorization.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2005.856886