| 摘要 |
In a method for a receiver a signal is received at the receiver, where after a Cholesky factor or a block Cholesky factor of the Schur complement or a negative of the Schur complement of a matrix is determined at a processor entity by deriving a generator matrix of the Schur complement or the negative of the Schur complement from the generator matrix of the matrix and then applying a Schur algorithm to the generator matrix of the Schur complement or the negative of the Schur complement. The derivation comprises permutating at least a part of matrix columns below a certain row, shifting these columns downward a predefined number of rows and deleting a number of top rows. A filter for the signal may then be defined by computing filter coefficients for filtering the signal based on the derived Cholesky factor or block Cholesky factor. In another application a received signal is estimated based on similar determinations.
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