5.1.2 Physical uplink control channel

36.2133GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Physical layer proceduresRelease 17TS

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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 term ‘serving cell’ in this clause refers to serving cell belonging to the MCG.

When the procedures are applied for SCG, the term ‘serving cell’ in this clause refers to serving cell belonging to the SCG. 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 term ‘serving cell’ in this clause refers to serving cell belonging to the primary PUCCH group.

– When the procedures are applied for the secondary PUCCH group, the term ‘serving cell’ in this clause refers to serving cell belonging to the secondary PUCCH group. The term ‘primary cell’ in this clause refers to the PUCCH-SCell of the secondary PUCCH group.

5.1.2.1 UE behaviour

If serving cell is the primary cell, for PUCCH format 1/1a/1b/2/2a/2b/3, the setting of the UE Transmit powerfor the physical uplink control channel (PUCCH) transmission in subframe/slot/subslot i for serving cell is defined by

[dBm]

If serving cell is the primary cell, for PUCCH format 4/5, the setting of the UE Transmit powerfor the physical uplink control channel (PUCCH) transmission in subframe/slot/subslot i for serving cell is defined by

[dBm]

If the UE is not transmitting PUCCH for the primary cell, for the accumulation of TPC command for PUCCH, the UE shall assume that the UE transmit power for PUCCH in subframe/slot/subslot i is computed by

[dBm]

where

– is the configured UE transmit power defined in [6] in subframe/slot/subslot i for serving cell . If the UE transmits PUSCH without PUCCH in subframe for the serving cell c, for the accumulation of TPC command for PUCCH, the UE shall assume as given by Clause 5.1.1.1. If the UE does not transmit PUCCH and PUSCH in subframe/slot/subslot for the serving cell c, for the accumulation of TPC command for PUCCH, the UE shall compute assuming MPR=0dB, A-MPR=0dB, P-MPR=0dB and T_C =0dB, where MPR, A-MPR, P-MPR and T_C are defined in [6].

– The parameter is provided by higher layers. Each value corresponds to a PUCCH format (F) relative to subframe-PUCCH format 1a, where each PUCCH format (F ) is defined in Table 5.4-1 of [3] for subframe-PUCCH, in Table 5.4A-1 of [3] for slot-PUCCH, and in Table 5.4A-2 of [3] for subslot-PUCCH.

– If the UE is configured by higher layers to transmit PUCCH on two antenna ports, the value of is provided by higher layers where each PUCCH format F’ is defined in Table 5.4-1 of [3] for subframe-PUCCH, in Table 5.4A-1 of [3] for slot-PUCCH, and in Table 5.4A-2 of [3] for subslot-PUCCH; otherwise, .

– is a PUCCH format dependent value, where corresponds to the number of information bits for the channel quality information defined in Clause 5.2.3.3 in [4]. = 1 if subframe/slot/subslot i is configured for SR for the UE not having any associated transport block for UL-SCH, otherwise =0. If the UE is configured with more than one serving cell, or the UE is configured with one serving cell and transmitting using PUCCH format 3, the value of is defined in Clause 10.1; otherwise, is the number of HARQ-ACK bits sent in subframe/slot/subslot i.

– For subframe-PUCCH format 1,1a and 1b

– For PUCCH format 1b with channel selection, if the UE is configured with more than one serving cell, , otherwise,

– For PUCCH format 2, 2a, 2b and normal cyclic prefix

– For PUCCH format 2 and extended cyclic prefix

– For PUCCH format 3 or for all slot/subslot PUCCH formats except slot/subslot PUCCH format 4 and when UE transmits HARQ-ACK/SR without periodic CSI,

– If the UE is configured by higher layers to transmit PUCCH format 3 on two antenna ports, or if the UE transmits more than 11 bits of HARQ-ACK/SR

– Otherwise

– For PUCCH format 3 and when UE transmits HARQ-ACK/SR and periodic CSI,

– If the UE is configured by higher layers to transmit PUCCH format 3 on two antenna ports, or if the UE transmits more than 11 bits of HARQ-ACK/SR and CSI

– Otherwise

– For PUCCH format 4, is the bandwidth of the PUCCH format 4 expressed in number of resource blocks valid for subframe/slot/subslot i and serving cell . For PUCCH format 5, .

– where , and

– for subframe-PUCCH

– is the number of HARQ-ACK/SR/RI/CQI/PMI bits including CRC bits transmitted on PUCCH format 4/5 in subframe i;

– for PUCCH format 4 and for PUCCH format 5;

– if shortened PUCCH format 4 or shortened PUCCH format 5 is used in subframe i and otherwise.

– for slot/subslot-PUCCH

– is the total number of HARQ-ACK/SR bits including CRC bits transmitted on PUCCH format 4 in slot/subslot i;

– is the number of REs used for slot/subslot-PUCCH format 4 transmission in slot/subslot i

– is a parameter composed of the sum of a parameter provided by higher layers and a parameter provided by higher layers.

– is a UE specific correction value, also referred to as a TPC command, included in a PDCCH with DCI format 1A/1B/1D/1/2A/2/2B/2C/2D for the primary cell, or included in a MPDCCH with DCI format 6-1A, or included in an EPDCCH with DCI format 1A/1B/1D/1/2A/2/2B/2C/2D for the primary cell, or included in a PDCCH/SPDCCH with DCI format 7-1A/1B/1C/1D/1E/1F/1G if the UE is configured with higher layer parameter shortTTI for the primary cell, or sent jointly coded with other UE specific PUCCH correction values on a PDCCH/MPDCCH with DCI format 3/3A whose CRC parity bits are scrambled with TPC-PUCCH-RNTI.

– For a non-BL/CE UE, if the UE is not configured for EPDCCH monitoring, the UE attempts to decode

– a PDCCH of DCI format 3/3A with the UE’s TPC-PUCCH-RNTI and one or several PDCCHs of DCI format 1A/1B/1D/1/2A/2/2B/2C/2D with the UE’s C-RNTI or SPS C-RNTI on every subframe except when in DRX.

– a PDCCH of DCI format 3/3A with the UE’s TPC-PUCCH-RNTI in case of slot/subslot-PUCCH transmissions associated with PDSCH/PUSCH transmissions without a corresponding PDCCH/SPDCCH, when configured by higher layer parameter tpc-PDCCH-ConfigPUCCH-SPS

– a PDCCH/SPDCCH of DCI format 7-1A/1B/1C/1D/1E/1F/1G if the UE is configured with higher layer parameter shortTTI in case of slot/subslot-PUCCH transmissions associated with PDSCH/PUSCH transmissions with corresponding PDCCH/SPDCCH

– If a UE is configured for EPDCCH monitoring, the UE attempts to decode

– a PDCCH of DCI format 3/3A with the UE’s TPC-PUCCH-RNTI and one or several PDCCHs of DCI format 1A/1B/1D/1/2A/2/2B/2C/2D with the UE’s C-RNTI or SPS C-RNTI as described in Clause 9.1.1, and

– one or several EPDCCHs of DCI format 1A/1B/1D/1/2A/2/2B/2C/2D with the UE’s C-RNTI or SPS C-RNTI, as described in Clause 9.1.4, and

– a PDCCH/SPDCCH of DCI format 7-1A/1B/1C/1D/1E/1F/1G with the UE’s C-RNTI as described in Clause 9.6.1if the UE is configured with higher layer parameter shortTTI in case of slot/subslot-PUCCH transmissions associated with PDSCH/PUSCH transmissions with corresponding PDCCH/SPDCCH.

– For a BL/CE UE configured with CEModeA, the UE attempts to decode a MPDCCH of DCI format 3/3A with the UE’s TPC-PUCCH-RNTI and MPDCCH of DCI format 6-1A with the UE’s C-RNTI or SPS C-RNTI or PUR-RNTI on every BL/CE downlink subframe except when in DRX.

– If the UE decodes

– a PDCCH with DCI format 1A/1B/1D/1/2A/2/2B/2C/2D/7-1A/1B/1C/1D/1E/1F/1G or

– an EPDCCH with DCI format 1A/1B/1D/1/2A/2/2B/2C/2D or

– an MPDCCH with DCI format 6-1A or

– a SPDCCH with DCI format 7-1A/1B/1C/1D/1E/1F/1G

for the primary cell and the corresponding detected RNTI equals the C-RNTI or SPS C-RNTI or PUR-RNTI of the UE and the TPC field in the DCI format is not used to determine the PUCCH resource as in Clause 10.1, the UE shall use the provided in that PDCCH/EPDCCH/MPDCCH/SPDCCH.

Else

– if the UE decodes a PDCCH/MPDCCH with DCI format 3/3A, the UE shall use the provided in that PDCCH/MPDCCH

else the UE shall set = 0 dB.

– where is the current PUCCH power control adjustment state and where is the first value after reset.

– For FDD or FDD-TDD and primary cell frame structure type 1,

– and for subframe-PUCCH,

– and for slot-PUCCH if the TPC command is received in a slot and the TPC command is included in a PDCCH/ SPDCCH with DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G,

– and when the TPC command is received in a subslot and the TPC command is included in a PDCCH/ SPDCCH with DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G,

– for slot-PUCCH if the TPC command is received in a subslot and the TPC command is included in a PDCCH/ SPDCCH with DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G and corresponds to the index of the three last subslots sent at the latest subslots earlier than the start of the slot-PUCCH.

– For a slot/subslot-PUCCH transmission in slot/subslot i of subframe I corresponding to a slot/subslot-PDSCH transmission without a corresponding PDCCH/SPDCCH, the UE shall use the provided in the PDCCH with DCI format 3/3A received in a subframe not later than subframe I – 4 when configured by higher layer parameter tpc-PDCCH-ConfigPUCCH-SPS.

– For TDD, values of and are given in Table 10.1.3.1-1C if the UE is configured with higher layer parameter shortTTI and the TPC command is included in a PDCCH/ SPDCCH with DCI format 7-1A/1B/1C/1D/1E/1F/1G, in Table 10.1.3.1-1B if the UE is configured with higher layer parameter shortProcessingTime and the TPC command is included in a PDCCH sent in the UE-specific search space, and in Table 10.1.3.1-1 otherwise, where the "UL/DL configuration" in Table 10.1.3.1-1 corresponds to the eimta-HARQ-ReferenceConfig-r12 for the primary cell when the UE is configured with the parameter EIMTA-MainConfigServCell-r12 for the primary cell, or to harq-ReferenceConfig-r14 for the primary cell when the UE is configured with the parameter harq-ReferenceConfig-r14. For a slot-PUCCH transmission in slot i of subframe I corresponding to a slot-PDSCH transmission without a corresponding PDCCH/SPDCCH, the UE shall use the provided in the PDCCH with DCI format 3/3A received in subframes not later than subframe I – k_m when configured by higher layer parameter tpc-PDCCH-ConfigPUCCH-SPS, where and are given in Table 10.1.3.1-1.

– The dB values signalled on PDCCH with DCI format 1A/1B/1D/1/2A/2/2B/2C/2D or EPDCCH with DCI format 1A/1B/1D/1/2A/2/2B/2C/2D or MPDCCH with DCI format 6-1A or PDCCH/SPDCCH with DCI format 7-1A/1B/1C/1D/1E/1F/1G are given in Table 5.1.2.1-1. If the PDCCH with DCI format 1/1A/2/2A/2B/2C/2D or EPDCCH with DCI format 1/1A/2A/2/2B/2C/2D or MPDCCH with DCI format 6-1A or PDCCH/SPDCCH with DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G is validated as an SPS activation PDCCH/EPDCCH/MPDCCH, or the PDCCH/EPDCCH with DCI format 1A or MPDCCH with DCI format 6-1A or PDCCH/SPDCCH with DCI format 7-1A/7-1B/7-1C/7-1D/7-1E/7-1F/7-1G is validated as an SPS release PDCCH/EPDCCH/MPDCCH/SPDCCH, then is 0dB.

– The dB values signalled on PDCCH/MPDCCH with DCI format 3/3A are given in Table 5.1.2.1-1 or in Table 5.1.2.1-2 as semi-statically configured by higher layers.

– If value is changed by higher layers, or if a BL/CE UE transmits using preconfigured uplink resources,

–

– If the UE is configured with higher layer parameter shortTTI or if there is a change in configuration corresponding to the higher layer parameter shortTTI, for the first following slot/subslot-PUCCH transmission in a given subframe is set to associated with PUCCH of the previous uplink subframe.

– Else

– , where

– is the TPC command indicated in the random access response corresponding to the random access preamble transmitted in the primary cell, see Clause 6.2 and

– if UE is transmitting PUCCH in subframe i,

Otherwise,

and is provided by higher layers and corresponds to the total power ramp-up requested by higher layers from the first to the last preamble in the primary cell. A UE configured with ul-ConfigInfo-r14, the UE shall assume

– If UE has reached for the primary cell, positive TPC commands for the primary cell shall not be accumulated.

– If UE has reached minimum power, negative TPC commands shall not be accumulated.

– UE shall reset accumulation

– when value is changed by higher layers

– when the UE receives a random access response message for the primary cell

– when the UE performs PUSCH transmission using preconfigured uplink resource

– if is not an uplink subframe/slot in TDD or FDD-TDD and primary cell frame structure type 2.

For a BL/CE UE configured with CEModeA, if the PUCCH, or multiple PUCCHs corresponding to PDSCHs scheduling by one DCI, are transmitted in more than one subframe i₀, i₁, …, i_N-1 where i₀< i₁< …< i_N-1, the PUCCH(s) transmit power in subframe i_k , k=0, 1, …, N-1is determined by

For a BL/CE UE configured with CEModeB, the PUCCH transmit power in subframe i_k is determined by

Table 5.1.2.1-1: Mapping of TPC Command Field in DCI format 1A/1B/1D/1/2A/2B/2C/2D/2/3/6-1A/7-1A/1B/1C/1D/1E/1F/1G to values

TPC Command Field in DCI format 1A/1B/1D/1/2A/2B/2C/2D/2/3/6-1A/7-1A/1B/1C/1D/1E/1F/1G	[dB]
0	-1
1	0
2	1
3	3

Table 5.1.2.1-2: Mapping of TPC Command Field in DCI format 3A to values

TPC Command Field in

DCI format 3A

[dB]

-1