期刊
IEEE SIGNAL PROCESSING LETTERS
卷 11, 期 11, 页码 875-878出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSP.2004.836948
关键词
channel estimation; constrained parameters; Cramer-Rao bound (CRB); MIMO; semiblind
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 serniblind channel estimation problem.
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