• DocumentCode
    1134889
  • Title

    Cramer-Rao lower bound for constrained complex parameters

  • Author

    Jagannatham, Aditya K. ; Rao, Bhaskar D.

  • Author_Institution
    Center for Wireless Commun., Univ. of California, San Diego, CA, USA
  • Volume
    11
  • Issue
    11
  • fYear
    2004
  • Firstpage
    875
  • Lastpage
    878
  • Abstract
    An expression for the Cramer-Rao lower bound (CRB) on the covariance of unbiased estimators of a constrained complex parameter vector is derived. The application and usefulness of the result is demonstrated through its use in the context of a semiblind channel estimation problem.
  • Keywords
    MIMO systems; channel estimation; signal processing; CRB; Cramer-Rao lower bound; MIMO; constrained parameter; semiblind channel estimation; signal processing; unbiased estimator; Calculus; Channel estimation; Communication systems; Constraint theory; Context; Helium; MIMO; Parameter estimation; Signal processing; Wireless communication; CRB; Channel estimation; Cramer–Rao bound; MIMO; constrained parameters; semiblind;
  • fLanguage
    English
  • Journal_Title
    Signal Processing Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1070-9908
  • Type

    jour

  • DOI
    10.1109/LSP.2004.836948
  • Filename
    1343987