A CDMA wireless communication receiver apparatus, comprising: an input from a multi-antenna array for providing a dispersive communication signal which has been transmitted over a wireless communication link and which includes interference and a plurality of communication signal components; an interference statistic unit coupled to said input; and a plurality of signal processing paths (120, 130, 1000) that correspond respectively to said plurality of communication signal components, each of said signal processing paths (120, 130, 1000) coupled to said interference statistic unit, the interference statistic unit is configured for producing, in response to said communication signal, a shared set of correlation values required by the various users indicative of a statistical characteristic of said interference; and wherein each of said signal processing paths (120, 130, 1000) is configured for receiving the shared set of correlation values for sharing the set of correlation values among each of said signal processing paths (120, 130, 1000) in common, and each of said signal processing paths (120, 130, 1000) is configured for applying to the shared set of correlation values, a signal processing operation associated with the corresponding communication signal component; wherein the signal processing paths include respective matrix construction units, each said matrix construction unit is configured for using correlation values required by the associated communication signal component from the shared set of correlation values to produce, for the associated communication signal component, a corresponding correlation matrix associated with the interference. an input from a multi-antenna array for providing a dispersive communication signal which has been transmitted over a wireless communication link and which includes interference and a plurality of communication signal components; an interference statistic unit coupled to said input; and a plurality of signal processing paths (120, 130, 1000) that correspond respectively to said plurality of communication signal components, each of said signal processing paths (120, 130, 1000) coupled to said interference statistic unit, the interference statistic unit is configured for producing, in response to said communication signal, a shared set of correlation values required by the various users indicative of a statistical characteristic of said interference; and wherein each of said signal processing paths (120, 130, 1000) is configured for receiving the shared set of correlation values for sharing the set of correlation values among each of said signal processing paths (120, 130, 1000) in common, and each of said signal processing paths (120, 130, 1000) is configured for applying to the shared set of correlation values, a signal processing operation associated with the corresponding communication signal component; wherein the signal processing paths include respective matrix construction units, each said matrix construction unit is configured for using correlation values required by the associated communication signal component from the shared set of correlation values to produce, for the associated communication signal component, a corresponding correlation matrix associated with the interference.