Terminology » Mobile Communication » WCDMA CD/CA-ICH Explained

WCDMA CD/CA-ICH Explained

wcdma
umts
channel
physical layer
mobile communication

This page describes the CD/CA-ICH, or Collision Detection with Channel Assignment Indicator Channel, with respect to the WCDMA/UMTS system.

The Collision Detection Channel Assignment Indicator channel (CD/CA-ICH) is a physical channel used to carry the CD Indicator (CDI) only if the CA (Channel Assignment) is not active, or the CD Indicator/CA Indicator (CDI/CAI) at the same time if the CA is active.

WCDMA CD-CAICH