• DocumentCode
    1188081
  • Title

    An invariant matrix structure in multiantenna communications

  • Author

    Sayed, Ali H. ; Younis, Waleed M. ; Tarighat, Alireza

  • Author_Institution
    Electr. Eng. Dept., Univ. of California, Los Angeles, CA, USA
  • Volume
    12
  • Issue
    11
  • fYear
    2005
  • Firstpage
    749
  • Lastpage
    752
  • Abstract
    This letter shows that the matrix structure with 2×2 Alamouti sub-blocks remains invariant under several nontrivial matrix operations, including matrix inversion, Schur complementation, Riccati recursion, triangular factorization, and QR factorization.
  • Keywords
    Riccati equations; antenna arrays; antenna theory; block codes; matrix decomposition; matrix inversion; recursive estimation; space-time codes; Alamouti code subblock; QR factorization; Riccati recursion; Schur complementation; invariant matrix structure; multiantenna communication; nontrivial matrix inversion; triangular factorization; Riccati equations; Alamouti code; QR factorization; Riccati recursion; Schur complementation; invariant matrix structure; matrix inversion; matrix structure; triangular factorization;
  • fLanguage
    English
  • Journal_Title
    Signal Processing Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1070-9908
  • Type

    jour

  • DOI
    10.1109/LSP.2005.856886
  • Filename
    1518892
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1188081