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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.
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Learn about the WCDMA DPCCH (Uplink Dedicated Physical Control Channel) used in UMTS systems, its structure, and its relationship with DPDCH.
Explore the TD-SCDMA frame structure and physical layer, comparing it to WCDMA. Understand their differences in duplexing, frequency bands, and more.
Explore the FDD mode WCDMA physical layer design, covering both uplink and downlink transmission modules, as per 3GPP TS 25.212 specifications.
Definition of Collision Detection/Channel Assignment Indicator Channel (CD/CA-ICH) in WCDMA/UMTS systems, including its function and relationship to channel assignment.
Learn about the WCDMA Physical Downlink Shared Channel (PDSCH), used to carry the Downlink Shared Channel (DSCH) and shared by users based on code multiplexing.
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