Any one know how to detect CDMA2000 or EVDO pilot channel

Hi all,
I am implementing CDMA2000 and EVDO phy layer.
I know pilot channel is used to estimate channel and synchronization,
but I don’t know how to use it any one know how to detect pilot channel
and how to take advantage of pilot channel to estimate channel and
synchronization. Or just give a hint of how to find the method is