NR channels 38.211

Physical channels

Physical channels
PUCCH
Physical Uplink Control Channel
PUSCH
Physical Uplink Shared Channel
PRACH
Physical Random Access Channel
Reference signals
PUCCH DM-RS
Demodulation reference signal, associated with transmission of PUCCH
PUSCH DM-RS
Demodulation reference signal, associated with transmission of PUSCH
PUSCH PT-RS
Phase tracking reference signal, associated with transmission of PUSCH
SRS
Sounding reference signal
Physical channels
PBCH
Physical Broadcast Channel
PDCCH
Physical Downlink Control Channel
PDSCH
Physical Downlink Shared Channel
Reference signals
PSS
Primary synchronization signal
SSS
Secondary synchronization signal
PBCH DM-RS
Demodulation reference Signal (DM-RS) for PBCH
PDSCH DM-RS
UE-specific Reference Signal (DM-RS) associated with PDSCH
PDSCH PT-RS
Phase tracking reference signal, associated with transmission of PDSCH
CSI-RS
CSI Reference Signal : tracking, L1-RSRP computation, mobility (38.214)

Physical uplink control channel

PUCCH format Length in OFDM symbols Number of bits Comment
0 1 – 2 ≤ 2
1 4 – 14 ≤ 2 long
2 1 – 2 > 2
3 4 – 14 > 2 long
4 4 – 14 > 2 long

Physical random access channel

Tc = 1 / (480.103 * 4096) = 5.09 nS
Ts = 1 / (15.103 * 2048) = 32.55 nS
ĸ = Ts / Tc = 64
OFDM symbol time duration Nuμ = 2048 ĸ . 2
Normal cyclic prefix time duration NCPμ = 144 ĸ . 2
μ ∊ {0,1,2,3}

PRACH preamble formats for LRA = 839
Long PRACH : μ = 0 (15 kHz) used for time duration ratio computation
Format LRA ΔfRA [kHz] Nu Nu / Nuμ NCPRA NCPRA / NCPμ Support for restricted sets
0 839 1.25 1 . 24576 ĸ 12 3168 ĸ 22 Type A, Type B
1 839 1.25 2 . 24576 ĸ 24 21024 ĸ 146 Type A, Type B
2 839 1.25 4 . 24576 ĸ 48 4688 ĸ 32.6 Type A, Type B
3 839 5 4 . 6144 ĸ 12 3168 ĸ 22 Type A, Type B

PRACH preamble formats for LRA = 139
Format LRA ΔfRA [kHz] Nu Nu / Nuμ NCPRA NCPRA / NCPμ Support for restricted sets
A1 139 15 . 2μ 2 . 2048 ĸ . 2 2 288 ĸ . 2 2 -
A2 139 15 . 2μ 4 . 2048 ĸ . 2 4 576 ĸ . 2 4 -
A3 139 15 . 2μ 6 . 2048 ĸ . 2 6 864 ĸ . 2 6 -
B1 139 15 . 2μ 2 . 2048 ĸ . 2 2 216 ĸ . 2 1.5 -
B2 139 15 . 2μ 4 . 2048 ĸ . 2 4 360 ĸ . 2 2.5 -
B3 139 15 . 2μ 6 . 2048 ĸ . 2 6 504 ĸ . 2 3.5 -
B4 139 15 . 2μ 12 . 2048 ĸ . 2 12 936 ĸ . 2 6.5 -
C0 139 15 . 2μ 1 . 2048 ĸ . 2 1 1240 ĸ . 2 8.6 -
C2 139 15 . 2μ 4 . 2048 ĸ . 2 4 2048 ĸ . 2 14.2 -

NCS for preamble formats with ΔfRA = 15 . 2μ kHz
zeroCorrelationZoneConfig NCS LRA / NCS
0 0 0
1 2 69
2 4 34
3 6 23
4 8 17
5 10 13
6 12 11
7 13 10
8 15 9
9 17 8
10 19 7
11 23 6
12 27 5
13 34 4
14 46 3
15 69 2

Downlink control information (DCI)

38.212 Table 7.3.1-1 DCI formats
DCI format Usage
0_0 Scheduling of PUSCH in one cell
0_1 Scheduling of PUSCH in one cell
1_0 Scheduling of PDSCH in one cell
1_1 Scheduling of PDSCH in one cell
2_0 Notifying a group of UEs of the slot format
2_1 Notifying a group of UEs of the PRB(s) and OFDM symbol(s) where UE may assume no transmission is intended for the UE
2_2 Transmission of TPC commands for PUCCH and PUSCH
2_3 Transmission of a group of TPC commands for SRS transmissions by one or more UEs

DCI format 0_0 for PUSCH
Field Bits Value Description
Identifier for DCI formats 1 0 Scheduling of PUSCH
Frequency domain resource assignment N UL bandwidth part
Time domain resource assignment X
Frequency hopping flag 1
Modulation and coding scheme 5 38.214
New data indicator 1
Redundancy version 2 00 rvid = 0
01 rvid = 1
10 rvid = 2
11 rvid = 3
HARQ process number 4
TPC command for scheduled PUSCH 2 38.213
UL/SUL indicator 0/1 0 bit for UEs not configured with SUL
1 bit for UEs configured with SUL

DCI format 0_1 for PUSCH
Field Bits Value Description
Carrier indicator 0/3 38.213
Identifier for DCI formats 1 0
Bandwidth part indicator 0/1/2
Frequency domain resource assignment X 38.214
VRB-to-PRB mapping 0/1 38.211
Frequency hopping flag 0/1 38.214
Modulation and coding scheme 5 38.214
New data indicator 1
Redundancy version 2 38.214
HARQ process number 4
1st downlink assignment index 1/2
2nd downlink assignment index 0/2
TPC command for scheduled PUSCH 2 38.213
SRS resource indicator X
Precoding information and number of layers X
Antenna ports 2/3/4/5
SRS request 2
CSI request 0-6 ReportTriggerSize
CBG transmission information 0-8 maxCodeBlockGroupsPerTransportBlock
PTRS-DMRS association X
Beta_offset indicator 0/2 uci-on-PUSCH
DMRS sequence initialization 0/1 PUSCH-tp
UL/SUL indicator 0/1 0 bit for UEs not configured with SUL
1 bit for UEs configured with SUL

DCI format 1_0 for PDSCH
Field Bits Value Description
Identifier for DCI formats 1 1 Scheduling of PDSCH
Frequency domain resource assignment N Type 0, Type 1, Dynamic
Time domain resource assignment X K0, SLIV, PDSCH mapping type
VRB-to-PRB mapping 1
Modulation and coding scheme 5 38.214
New data indicator 1
Redundancy version 2 38.214
HARQ process number 4
Downlink assignment index 2 38.213
TPC command for scheduled PUCCH 2 38.213
PUCCH resource indicator 2 38.213
PDSCH-to-HARQ_feedback timing indicator 3 38.213

DCI format 1_1 for PDSCH
Field Bits Value Description
Carrier indicator 0,3 38.213
Identifier for DCI formats 1 1 Scheduling of PDSCH
Bandwidth part indicator 0/1/2 BandwidthPart-Config
Frequency domain resource assignment N
Time domain resource assignment 1/2/3/4 K0, SLIV, PDSCH mapping type
VRB-to-PRB mapping 0/1 38.211
PRB bundling size indicator 0/1 PRB_bundling
Rate matching indicator 0/1/2 rate-match-PDSCH-resource-set
ZP CSI-RS trigger X
Modulation and coding scheme 5 Transport block 1
New data indicator 1 TB 1
Redundancy version 2 TB 1
Modulation and coding scheme 5 Transport block 2
New data indicator 1 TB 2
Redundancy version 2 TB 2
HARQ process number 4
Downlink assignment index 0/4 HARQ-ACK-codebook
TPC command for scheduled PUCCH 2 38.213
PUCCH resource indicator 2 38.213
PDSCH-to-HARQ_feedback timing indicator 3 38.213
Antenna ports 4/5/6
Transmission configuration indication 0/3 tci-PresentInDCI
SRS request 2
CBG transmission information 0-8 maxCodeBlockGroupsPerTransportBlock
CBG flushing out information 0/1
DMRS sequence initialization 1 if transform precoding is enabled

DCI format 2_0 for notifying the slot format

DCI format 2_1 for pre-emption PRBs

DCI format 2_2 for TPC commands for PUCCH and PUSCH

DCI format 2_3 for TPC command for group of TPC commands for SRS