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WCDMA SCCPCH (Secondary Common Control Physical Channel)


This tutorial section on WCDMA (UMTS) basics covers following sub topics:
UMTS Tutorial  UMTS channels  measurements  PHY layer  TDD vs FDD PHY  RRC States  Security  Cell search  Bands  UARFCN  Frame 


This page describes SCCPCH or Secondary Common Control Physical Channel with respect to 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- include
TFCI bits- included/not include

WCDMA SCCPCH

WCDMA UMTS RELATED LINKS

UMTS Network Architecture
UMTS Protocol Stack
UMTS Logical, Transport and physical channels
UMTS Spreading,scrambling and modulation
WCDMA MO CS call
WCDMA PS Call
CDMA vs GSM
WCDMA Compressed mode

RF and Wireless Terminologies


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