ETSI TS 138 212 V17.5.0 (2023-04)

5G; NR; Multiplexing and channel coding (3GPP TS 38.212 version 17.5.0 Release 17)

RTS/TSGR-0138212vh50

General Information

• Status: Not Published
• Technical Committee: 3GPP RAN 1 - Radio layer 1 specification
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 14-Apr-2023

Standards Content (Sample)

ETSI TS 138 212 V17.5.0 (2023-04)






TECHNICAL SPECIFICATION
5G;
NR;
Multiplexing and channel coding
(3GPP TS 38.212 version 17.5.0 Release 17)

---------------------- Page: 1 ----------------------
3GPP TS 38.212 version 17.5.0 Release 17 1 ETSI TS 138 212 V17.5.0 (2023-04)

Reference
RTS/TSGR-0138212vh50
Keywords
5G
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

Important notice
The present document can be downloaded from:
https://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
and/or governmental
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2023.
All rights reserved.

ETSI

---------------------- Page: 2 ----------------------
3GPP TS 38.212 version 17.5.0 Release 17 2 ETSI TS 138 212 V17.5.0 (2023-04)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI Web server (https://ipr.etsi.org/).
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the
®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Legal Notice
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities. These shall be
interpreted as being references to the corresponding ETSI deliverables.
The cross reference between 3GPP and ETSI identities can be found under https://webapp.etsi.org/key/queryform.asp.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

---------------------- Page: 3 ----------------------
3GPP TS 38.212 version 17.5.0 Release 17 3 ETSI TS 138 212 V17.5.0 (2023-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 6
1 Scope . 7
2 References . 7
3 Definitions, symbols and abbreviations . 7
3.1 Definitions . 7
3.2 Symbols . 7
3.3 Abbreviations . 8
4 Mapping to physical channels . 9
4.1 Uplink . 9
4.2 Downlink . 9
4.3 Sidelink . 9
5 General procedures . 10
5.1 CRC calculation . 10
5.2 Code block segmentation and code block CRC attachment . 10
5.2.1 Polar coding . 10
5.2.2 Low density parity check coding . 11
5.3 Channel coding . 13
5.3.1 Polar coding . 13
5.3.1.1 Interleaving . 14
5.3.1.2 Polar encoding . 15
5.3.2 Low density parity check coding . 19
5.3.3 Channel coding of small block lengths . 26
5.3.3.1 Encoding of 1-bit information . 26
5.3.3.2 Encoding of 2-bit information . 26
5.3.3.3 Encoding of other small block lengths . 27
5.4 Rate matching . 27
5.4.1 Rate matching for Polar code . 27
5.4.1.1 Sub-block interleaving . 27
5.4.1.2 Bit selection. 29
5.4.1.3 Interleaving of coded bits . 29
5.4.2 Rate matching for LDPC code . 30
5.4.2.1 Bit selection. 30
5.4.2.2 Bit interleaving . 33
5.4.3 Rate matching for channel coding of small block lengths . 34
5.5 Code block concatenation . 34
6 Uplink transport channels and control information . 34
6.1 Random access channel . 34
6.2 Uplink shared channel . 35
6.2.1 Transport block CRC attachment . 35
6.2.2 LDPC base graph selection . 35
6.2.3 Code block segmentation and code block CRC attachment . 35
6.2.4 Channel coding of UL-SCH. 35
6.2.5 Rate matching . 36
6.2.6 Code block concatenation . 36
6.2.7 Data and control multiplexing . 36
6.3 Uplink control information . 48
6.3.1 Uplink control information on PUCCH . 48
6.3.1.1 UCI bit sequence generation . 48
6.3.1.1.1 HARQ-ACK/SR only . 48
ETSI

---------------------- Page: 4 ----------------------
3GPP TS 38.212 version 17.5.0 Release 17 4 ETSI TS 138 212 V17.5.0 (2023-04)
6.3.1.1.2 CSI only . 48
6.3.1.1.3 HARQ-ACK/SR and CSI . 65
6.3.1.1.4 UCI with different priority indexes . 66
6.3.1.2 Code block segmentation and CRC attachment . 66
6.3.1.2.1 UCI encoded by Polar code . 66
6.3.1.2.2 UCI encoded by channel coding of small block lengths . 67
6.3.1.3 Channel coding of UCI . 67
6.3.1.3.1 UCI encoded by Polar code . 67
6.3.1.3.2 UCI encoded by channel coding of small block lengths . 67
6.3.1.4 Rate matching . 67
6.3.1.4.1 UCI encoded by Polar code . 68
6.3.1.4.2 UCI encoded by channel coding of small block lengths . 68
6.3.1.4.3 UCI with different priority indexes encoded by Polar code . 69
6.3.1.4.4 UCI with different priority indexes encoded by channel coding of small block lengths . 69
6.3.1.5 Code block concatenation . 70
6.3.1.6 Multiplexing of coded UCI bits to PUCCH . 70
6.3.2 Uplink control information on PUSCH . 72
6.3.2.1 UCI bit sequence generation . 73
6.3.2.1.1 HARQ-ACK . 73
6.3.2.1.2 CSI . 73
6.3.2.1.3 CG-UCI . 87
6.3.2.1.4 HARQ-ACK and CG-UCI. 88
6.3.2.1.5 UCI with different priority indexes . 88
6.3.2.2 Code block segmentation and CRC attachment . 90
6.3.2.2.1 UCI encoded by Polar code . 90
6.3.2.2.2 UCI encoded by channel coding of small block lengths . 90
6.3.2.3 Channel coding of UCI . 91
6.3.2.3.1 UCI encoded by Polar code . 91
6.3.2.3.2 UCI encoded by channel coding of small block lengths . 91
6.3.2.4 Rate matching . 91
6.3.2.4.1 UCI encoded by Polar code . 91
6.3.2.4.1.1 HARQ-ACK . 91
6.3.2.4.1.2 CSI part 1 . 94
6.3.2.4.1.3 CSI part 2 . 98
6.3.2.4.1.4 CG -UCI . 101
6.3.2.4.1.5 HARQ-ACK and CG-UCI . 102
6.3.2.4.1.6 UCI with different priority indexes . 103
6.3.2.4.2 UCI encoded by channel coding of small block lengths . 105
6.3.2.4.2.1 HARQ-ACK . 105
6.3.2.4.2.2 CSI part 1 . 105
6.3.2.4.2.3 CSI part 2 . 106
6.3.2.4.2.4 CG -UCI . 106
6.3.2.4.2.5 HARQ-ACK and CG-UCI . 106
6.3.2.4.2.6 UCI with different priority indexes . 106
6.3.2.5 Code block concatenation . 108
6.3.2.6 Multiplexing of coded UCI bits to PUSCH . 108
6.3.2.7 Multiplexing of coded UCI bits with different priority indexes to PUSCH . 108
7 Downlink transport channels and control information . 109
7.1 Broadcast channel. 109
7.1.1 PBCH payload generation . 109
7.1.2 Scrambling . 110
7.1.3 Transport block CRC attachment . 111
7.1.4 Channel coding . 111
7.1.5 Rate matching . 111
7.2 Downlink shared channel and paging channel . 112
7.2.1 Transport block CRC attachment . 112
7.2.2 LDPC base graph selection . 112
7.2.3 Code block segmentation and code block CRC attachment . 112
7.2.4 Channel coding . 112
7.2.5 Rate matching . 113
7.2.6 Code block concatenation . 113
ETSI

---------------------- Page: 5 ----------------------
3GPP TS 38.212 version 17.5.0 Release 17 5 ETSI TS 138 212 V17.5.0 (2023-04)
7.3 Downlink control information . 113
7.3.1 DCI formats . 113
7.3.1.0 DCI size alignment . 114
7.3.1.0.1 DCI size alignment for DCI formats for scheduling of sidelink . 117
7.3.1.1 DCI formats for scheduling of PUSCH . 118
7.3.1.1.1 Format 0_0 . 118
7.3.1.1.2 Format 0_1 . 121
7.3.1.1.3 Format 0_2 . 150
7.3.1.2 DCI formats for scheduling of PDSCH . 159
7.3.1.2.1 Format 1_0 . 159
7.3.1.2.2 Format 1_1 . 162
7.3.1.2.3 Format 1_2 . 179
7.3.1.3 DCI formats for other purposes . 184
7.3.1.3.1 Format 2_0 . 184
7.3.1.3.2 Format 2_1 . 185
7.3.1.3.3 Format 2_2 . 185
7.3.1.3.4 Format 2_3 . 186
7.3.1.3.5 Format 2_4 . 186
7.3.1.3.6 Format 2_5 . 186
7.3.1.3.7 Format 2_6 . 186
7.3.1.3.8 Format 2_7 . 187
7.3.1.4 DCI formats for scheduling of sidelink . 187
7.3.1.4.1 Format 3_0 . 187
7.3.1.4.2 Format 3_1 . 188
7.3.1.5 DCI formats for scheduling of MBS . 189
7.3.1.5.1 Format 4_0 . 189
7.3.1.5.2 Format 4_1 . 189
7.3.1.5.3 Format 4_2 . 189
7.3.2 CRC attachment . 191
7.3.3 Channel coding . 192
7.3.4 Rate matching . 192
8 Sidelink transport channels and control information . 192
8.1 Sidelink broadcast channel . 192
8.1.1 (void) . 193
8.2 Sidelink shared channel . 193
8.2.1 Data and control multiplexing . 193
8.3 Sidelink control information on PSCCH .
...