Terminology » Mobile Communication » WCDMA SCCPCH: Secondary Common Control Physical Channel Explained

WCDMA SCCPCH: Secondary Common Control Physical Channel Explained

wcdma
umts
physical channel
sccpch
radio communication

This page describes the SCCPCH, or Secondary Common Control Physical Channel, with respect to the WCDMA/UMTS system. The Secondary CCPCH is used to carry the FACH and PCH.

  • Channel coding: CRC, convolutional code
  • Symbol rate: 15/30/60/120/240/480/960 ksps
  • Modulation: QPSK
  • Spreading: Predefined code broadcast on the BCH
  • Scrambling: Gold sequence - 3.84Mcps, 10 ms periodic
  • Power control: Not supported
  • Pilot symbol: Included
  • TFCI bits: Included/not included

WCDMA SCCPCH