WCDMA PICH(Paging Indicator Channel)
This page describes PICH or Paging Indicator Channel with respect to WCDMA/UMTS system.
The page indicator channel (PICH) is always associated with a paging channel (PCH) on S-CCPCH. The PICH carries the page indicators (PIs), where PI indicates the subset of UEs within a cell whether they should check the next S-CCPCH frame for paging messages.
Symbol rate-15 ksps
Scrambling Gold sequence-3.84Mcps, 10 ms periodic
Number of PI-18/36/72/144