US 7,539,240 B2
Method and apparatus for parameter estimation in a generalized rake receiver
Douglas A. Cairns, Durham, N.C. (US); Gregory E. Bottomley, Cary, N.C. (US); Yi-Pin Eric Wang, Cary, N.C. (US); Tracy L. Fulghum, Durham, N.C. (US); and Elias Jonsson, Malmö (Sweden)
Assigned to Telefonaftiebolaget LM Ericsson (publ), Stockholm (Sweden)
Filed on Mar. 12, 2004, as Appl. No. 10/800,167.
Prior Publication US 2005/0201447 A1, Sep. 15, 2005
Int. Cl. H04B 15/00 (2006.01)
U.S. Cl. 375—152  [375/343; 375/150] 59 Claims
OG exemplary drawing
 
1. A method of determining received signal impairment correlations using a model for impairment correlations comprising one or more model impairment terms scaled by corresponding model fitting parameters, the method comprising:
computing the one or more model impairment terms;
measuring received signal impairment correlations;
adapting each of the model fitting parameters using a fitting process to fit the modeled impairment terms, as scaled by the model fitting parameters, to the measured received signal impairment correlations; and
calculating the modeled impairment correlations based on the adapted model fitting parameters.