WCDMA DPDCH: Uplink Dedicated Physical Data Channel Explained

This page describes the DPDCH, or Uplink Dedicated Physical Data Channel, with respect to the WCDMA/UMTS system. In the uplink, both DPDCH and DPCCH are transmitted in parallel.

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

WCDMA uplink DPDCH