name: HS-DPCCH2
full_form: Secondary Dedicated Physical Control Channel (uplink) for HS-DSCH, when Secondary_Cell_Enabled is greater than 3 when the UE is not configured in MIMO mode with four transmit antennas and is greater than 1 when the UE is configured in MIMO mode with four transmit antennas
context: Observations In the case of Nmax-dpdch=0, HS-DPCCH2 mapped to I branch results in the smaller CM increase compared to HS-DPCCH2 mapped to Q branch. In the case of Nmax-dpdch=1, HS-DPCCH2 mapped to Q branch results in the smaller CM increase compared to HS-DPCCH2 mapped to I branch. Assuming HS-DPCCH2 mapped to I branch for Nmax-dpdch=0 and HS-DPCCH2 mapped to Q branch for Nmax-dpdch=1, The maximum CM value is 3.38 dB in the case of SF4, beta_ed 27 and beta_hs=5. The CM increase is higher when one E-DPDCH is used. In some case, 1dB CM increase is observed.
description: The Secondary Dedicated Physical Control Channel (HS-DPCCH2) is an uplink channel used in conjunction with the High-Speed Downlink Shared Channel (HS-DSCH). It plays a crucial role in controlling and managing data transmission, particularly when multiple cells are involved or specific UE configurations like MIMO mode with four transmit antennas are employed. The context highlights its mapping to either I or Q branches under different conditions, impacting the Cubic Metric (CM) increase.
explanation: HS-DPCCH2 is classified as a Channel due to its function in facilitating control and data transmission within specific configurations of the HS-DSCH. The detailed description of its behavior under various scenarios, such as mapping to I or Q branches based on Nmax-dpdch values and observing CM increases, solidifies its role as a communication channel.
section_title: 5.2.5.1	CM analysis
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biotag_Description: O,O,B-Connection,I-Connection,I-Connection,I-Connection,O,O,O,O,O,O,O,O,O,O,O,B-Connection,I-Connection,I-Connection,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Device,O,O,B-Technology,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O