 multiple parts of the first PN-modulated signal with one of the multiple parts of the second PN-modulated signal to form a first summation signal.  00. The wireless infrastructure of claim 00, wherein the means for summing further sums a second one of the multiple parts of the first PN-modulated signal with a second one of the multiple parts of the second PN-modulated signal to form a second summation signal.  00. The wireless infrastructure of claim 00, further comprising:  means for generating an In-phase component and a Quadrature component of the first summation signal; and  means for generating an In-phase component and a Quadrature component of the second summation signal.  00. The wireless infrastructure of claim 00, further comprising:  means for generating a