Search Window

There are several search windows in CDMA2000 and they are the same as
those used for IS-95 facilitating integration and compatibility. As with IS-95
systems, each of the search windows has its own role in the process, and it
is not uncommon to have different search window sizes for each of the windows
for a particular cell site. Additionally, the search window for each site
needs to be set based on actual system conditions. The search window is
defined as an amount of time, in terms of chips, that the CDMA subscriber’s
receiver will hunt for a pilot channel. There is a slight difference in how the
receiver hunts for pilots depending on its type.
The search windows needed to be determined for CDMA involve the
■ Active
■ Neighbor
■ Remaining
The method for determining the search window sizes for a CDMA2000
system is the same as that done for IS-95 and covered in Chapter 3, “Second
Generation (2G).”