10 Physical uplink control channel procedures

36.2133GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Physical layer proceduresRelease 16TS

If the UE is configured with shortTTI, PUCCH in this clause refers to SPUCCH defined in [3] if the HARQ-ACK is sent in response to PDSCH scheduled by DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G or scheduling request is sent on resources configured by higher layer parameter sr-slotSPUCCH-IndexFH or sr-slotSPUCCH-IndexNoFH or sr-subslotSPUCCH-Resource for slot/subslot-based transmissions, unless otherwise noted.

If the UE is not configured with shortTTI or the UE is configured with shortTTI, and UCI is to be transmitted in a subframe, the term ‘subframe/slot/subslot’ or ‘subframe/slot’ refers to a subframe in this clause.

If the UE is configured with shortTTI, and UCI is to be transmitted in a slot, the term ‘subframe/slot/subslot’ or ‘slot/subslot’ or ‘subframe/slot’ refers to a slot in this clause.

If the UE is configured with shortTTI, and UCI is to be transmitted in a subslot, the term ‘subframe/slot/subslot’ or ‘slot/subslot’ refers to a subslot in this clause.

If the UE is configured with a SCG, the UE shall apply the procedures described in this clause for both MCG and SCG

– When the procedures are applied for MCG, the terms ‘secondary cell’, ‘secondary cells’, ‘serving cell’, ‘serving cells’ in this clause refer to secondary cell, secondary cells, serving cell, serving cells belonging to the MCG respectively.

– When the procedures are applied for SCG, the terms ‘secondary cell’, ‘secondary cells’, ‘serving cell’, ‘serving cells’ in this clause refer to secondary cell, secondary cells (not including PSCell), serving cell, serving cells belonging to the SCG respectively. The term ‘primary cell’ in this clause refers to the PSCell of the SCG.

If the UE is configured with a PUCCH-SCell, the UE shall apply the procedures described in this clause for both primary PUCCH group and secondary PUCCH group

– When the procedures are applied for the primary PUCCH group, the terms ‘secondary cell’, ‘secondary cells’, ‘serving cell’, ‘serving cells’ in this clause refer to secondary cell, secondary cells, serving cell, serving cells belonging to the primary PUCCH group respectively.

– When the procedures are applied for secondary PUCCH group, the terms ‘secondary cell’, ‘secondary cells’, ‘serving cell’, ‘serving cells’ in this clause refer to secondary cell, secondary cells (not including the PUCCH-SCell), serving cell, serving cells belonging to the secondary PUCCH group respectively. The term ‘primary cell’ in this clause refers to the PUCCH-SCell of the secondary PUCCH group.

If a UE is configured with a LAA Scell, the UE shall apply the procedures described in this clause assuming frame structure type 1 for the LAA Scell unless stated otherwise.

A UE is not expected to be configured with PUCCH on a LAA SCell.

Throughout this clause,

– if the UE is configured with higher layer parameter shortProcessingTime and the corresponding PDCCH with CRC scrambled by C-RNTI is in the UE-specific search space, and otherwise,

– if the UE is configured with higher layer parameter shortTTI and the corresponding PDCCH/SPDCCH with DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G is detected in a subslot, is determined based on higher layer parameter min-proc-TimelineSubslot from .

For a UE configured with EN-DC/NE-DC,

– if serving cell frame structure type 1 and if the UE is configured with tdm-PatternConfig/tdm-PatternConfigNE-DC for the serving cell, or

– if the UE configured with EN-DC, and if serving cell frame structure type 1, and if the UE is configured with tdm-PatternConfig2 for the serving cell, or

– if the UE configured with EN-DC, and if primary cell frame structure type 2 and if the UE is configured with tdm-PatternConfig2 for the primary cell, and if the UE configured with more than one serving cells, and if secondary serving cell frame structure type 2 with different UL/DL configuration than the primary cell, or if secondary serving cell is frame structure type 1,

– the UE shall apply the procedures described in this clause assuming FDD-TDD and primary cell frame structure type 2 with "UL/DL configuration" given by tdm-PatternConfig/tdm-PatternConfigNE-DC/tdm-PatternConfig2 and serving cell frame structure type 1. The UE shall apply an offset value given by harq-Offset-r15/harq-Offset-r16 to the subframe index in the UL/DL configuration when applying the procedures in this clause.

– if the UE configured with EN-DC, and if primary cell frame structure type 2 and if the UE is configured with tdm-PatternConfig2 for the primary cell, and if the UE configured with more than one serving cells, and if secondary serving cell has the same UL/DL configuration as the primary cell,

– the UE shall apply the procedures described in this clause assuming the UE is configured with more than one serving cell with "UL/DL configuration" given by tdm-PatternConfig2 and serving cell frame structure type 2. The UE shall apply an offset value given by harq-Offset-r16 to the subframe index in the UL/DL configuration when applying the procedures in this clause.

– if serving cell frame structure type 1 and if the UE is configured with tdm-PatternConfig/tdm-PatternConfigNE-DC for the serving cell, or if the UE configured with EN-DC, and if the UE does not indicate a capability for dynamic power sharing (as specified in [17]), and if the UE is configured with tdm-PatternConfig2 for the serving cell, the UE is not expected to transmit any uplink physical channel or signal in the serving cell on subframes other than the offset-UL subframes, where the offset-UL subframes are determined by applying the offset value to the subframes denoted as uplink in the UL/DL configuration.

– The UE is configured by higher layers to use PUCCH format 3/4/5 for transmission of HARQ-ACK.

– if the UE configured with EN-DC, and if primary cell frame structure type 2 and if the UE is configured with tdm-PatternConfig2 for the primary cell, and if the UE only receives the DCI format with value of the DAI field equal to ‘1’ and/or only receives a PDSCH transmission on the primary cell where there is not a corresponding PDCCH/EPDCCH detected, the UE shall use PUCCH format 3 for transmission of HARQ-ACK with the PUCCH resource corresponding to the 1st PUCCH resource value configured by the higher layers.

– The UE shall use and (defined in Clause 10.1.3.2.2/10.1.3.2.3/10.2.3.2.4) when applying the procedures described in Clause 10.1.3.2.2/10.1.3.2.3/10.2.3.2.4.