Hi,

I'm trying to understand some Rake receiver structures for WCDMA and I'm
having trouble with the interpolation stuff. Assuming down conversion to
base band has been done, I think one possible way of doing a Rake is to: 

1. sample at twice chip rate
2. RRC filter
3. Interpolate
4. Do timing adjust corresponding to tap delay
5. Decimate to chip rate
6. De-spread

Steps 4 through 6 would be done for each Rake finger. My question is if
one could do the RRC filtering and interpolation in one step, as in one
single filter? Normally there's a low-pass filter after an interpolator
and I thought the RRC filter could replace this low-pass filter. I this
correct?

Thanks in advance,

   /Fred