| 摘要 |
A method of operation of a filter (12) of a receiver (10) of a mobile statio n or a base station of a radio access network and corresponding equipment, the method for use in suppressing co-channel interference and based on separatin g the in-phase (I) and quadrature phase (Q) components of the received signal and then performing whitening on a symbol-by-symbol basis, i.e. the whitenin g operation is done within one symbol. The invention provides a filter (12) including a module (12b) for performing IQ whitening (either according to th e invention or otherwise), and also provides a switch (12a) that can be used t o enable or disable IQ whitening, depending on the character of the received signal, and in particular based on the noise plus interference correlation matrix ( ).
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