name: DPCCH
full_form: Dedicated Physical Control Channel
context: a multiple of cycle 1. A UE specific offset UE_DTX_DRX Offset (in subframes) can be configured to distribute discontinuous transmissions of different users in the time domain. With these 2 UL DPCCH patterns the overhead of UL DPCCH can be controlled by a rule (known by UE and Node B): UL DPCCH is only transmitted if at least one of the following has to be transmitted: - HS-DPCCH (ACK/NACK/CQI) or - EDCH or - an UL DPCCH burst of a UE_DTX_cycle_1 or an UL DPCCH burst UE_DTX_cycle_2 or - an UL DPCCH preamble or UL DPCCH postamble (1 slot). The 2 slots UL DPCCH preamble is used directly before an HS-DPCCH or EDCH or UL DPCCH bursts of UL DPCCH transmission pattern if not overlapping with an HS-DPCCH or EDCH transmission. The preamble helps for UL DPCCH power setting as UL DPCCH power is kept on hold during transmission gaps. In addition a one slot postamble of UL DPCCH is following after HS-DPCCH or EDCH transmissions or UL DPCCH bursts of UL DPCCH transmission pattern which are followed
description: The Dedicated Physical Control Channel (DPCCH) transmits control information in the uplink direction. It manages discontinuous transmissions and receptions in CELL_DCH state, optimizing resource use by controlling overhead through rules understood by both the User Equipment (UE) and Node B.
explanation: The text describes DPCCH as a channel responsible for transmitting control information and managing transmission patterns. This clearly classifies it as a type of communication channel.
section_title: 5.1.2	Discontinuous transmission and reception in CELL_DCH
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biotag_Description: O,B-Connection,I-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,O,O,O,O,O,O,O,O,O,B-Device,I-Device,O,O,O,O