WCDMA DPCCH: Uplink Dedicated Physical Control Channel Explained

This page describes the DPCCH, or uplink dedicated physical control channel, with respect to the WCDMA/UMTS system. In the uplink, both DPCCH and DPDCH are transmitted in parallel.

The DPCCH and DPDCH are I/Q code multiplexed within each radio frame, as shown in the figure below.

WCDMA uplink DPCCH