5G; NR; Physical channels and modulation (3GPP TS 38.211 version 15.7.0 Release 15)

RTS/TSGR-0138211vf70

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Status
Published
Publication Date
14-Oct-2019
Current Stage
12 - Completion
Completion Date
15-Oct-2019
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ETSI TS 138 211 V15.7.0 (2019-10) - 5G; NR; Physical channels and modulation (3GPP TS 38.211 version 15.7.0 Release 15)
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ETSI TS 138 211 V15.7.0 (2019-10)






TECHNICAL SPECIFICATION
5G;
NR;
Physical channels and modulation
(3GPP TS 38.211 version 15.7.0 Release 15)

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3GPP TS 38.211 version 15.7.0 Release 15 1 ETSI TS 138 211 V15.7.0 (2019-10)



Reference
RTS/TSGR-0138211vf70
Keywords
5G
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3GPP TS 38.211 version 15.7.0 Release 15 2 ETSI TS 138 211 V15.7.0 (2019-10)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is 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 IPR Policy, no investigation, 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.
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 http://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

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3GPP TS 38.211 version 15.7.0 Release 15 3 ETSI TS 138 211 V15.7.0 (2019-10)
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 Frame structure and physical resources . 9
4.1 General . 9
4.2 Numerologies . 9
4.3 Frame structure . 10
4.3.1 Frames and subframes . 10
4.3.2 Slots . 10
4.4 Physical resources . 11
4.4.1 Antenna ports . 11
4.4.2 Resource grid . 11
4.4.3 Resource elements . 12
4.4.4 Resource blocks . 12
4.4.4.1 General . 12
4.4.4.2 Point A . 12
4.4.4.3 Common resource blocks . 12
4.4.4.4 Physical resource blocks . 13
4.4.4.5 Virtual resource blocks . 13
4.4.5 Bandwidth part . 13
4.5 Carrier aggregation . 13
5 Generic functions . 13
5.1 Modulation mapper . 13
5.1.1 π/2-BPSK . 14
5.1.2 BPSK . 14
5.1.3 QPSK . 14
5.1.4 16QAM . 14
5.1.5 64QAM . 14
5.1.6 256QAM . 14
5.2 Sequence generation . 15
5.2.1 Pseudo-random sequence generation . 15
5.2.2 Low-PAPR sequence generation . 15
5.2.2.1 Base sequences of length 36 or larger . 15
5.2.2.2 Base sequences of length less than 36 . 15
5.3 OFDM baseband signal generation . 19
5.3.1 OFDM baseband signal generation for all channels except PRACH . 19
5.3.2 OFDM baseband signal generation for PRACH . 20
5.4 Modulation and upconversion . 21
6 Uplink . 22
6.1 Overview . 22
6.1.1 Overview of physical channels . 22
6.1.2 Overview of physical signals . 22
6.2 Physical resources . 22
6.3 Physical channels . 23
6.3.1 Physical uplink shared channel . 23
ETSI

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3GPP TS 38.211 version 15.7.0 Release 15 4 ETSI TS 138 211 V15.7.0 (2019-10)
6.3.1.1 Scrambling . 23
6.3.1.2 Modulation . 23
6.3.1.3 Layer mapping . 24
6.3.1.4 Transform precoding . 24
6.3.1.5 Precoding . 25
6.3.1.6 Mapping to virtual resource blocks . 28
6.3.1.7 Mapping from virtual to physical resource blocks . 28
6.3.2 Physical uplink control channel . 28
6.3.2.1 General . 28
6.3.2.2 Sequence and cyclic shift hopping . 29
6.3.2.2.1 Group and sequence hopping . 29
6.3.2.2.2 Cyclic shift hopping . 30
6.3.2.3 PUCCH format 0 . 30
6.3.2.3.1 Sequence generation . 30
6.3.2.3.2 Mapping to physical resources . 30
6.3.2.4 PUCCH format 1 . 31
6.3.2.4.1 Sequence modulation . 31
6.3.2.4.2 Mapping to physical resources . 32
6.3.2.5 PUCCH format 2 . 32
6.3.2.5.1 Scrambling . 32
6.3.2.5.2 Modulation . 32
6.3.2.5.3 Mapping to physical resources . 32
6.3.2.6 PUCCH formats 3 and 4 . 33
6.3.2.6.1 Scrambling . 33
6.3.2.6.2 Modulation . 33
6.3.2.6.3 Block-wise spreading . 33
6.3.2.6.4 Transform precoding . 34
6.3.2.6.5 Mapping to physical resources . 34
6.3.3 Physical random-access channel . 35
6.3.3.1 Sequence generation. 35
6.3.3.2 Mapping to physical resources . 40
6.4 Physical signals . 59
6.4.1 Reference signals . 59
6.4.1.1 Demodulation reference signal for PUSCH . 59
6.4.1.1.1 Sequence generation . 59
6.4.1.1.2 (void) . 60
6.4.1.1.3 Precoding and mapping to physical resources . 60
6.4.1.2 Phase-tracking reference signals for PUSCH . 64
6.4.1.2.1 Sequence generation . 64
6.4.1.2.1.1 Sequence generation if transform precoding is not enabled . 64
6.4.1.2.1.2 Sequence generation if transform precoding is enabled . 65
6.4.1.2.2 Mapping to physical resources . 65
6.4.1.2.2.1 Precoding and mapping to physical resources if transform precoding is not enabled. 65
6.4.1.2.2.2 Mapping to physical resources if transform precoding is enabled . 67
6.4.1.3 Demodulation reference signal for PUCCH . 68
6.4.1.3.1 Demodulation reference signal for PUCCH format 1 . 68
6.4.1.3.1.1 Sequence generation . 68
6.4.1.3.1.2 Mapping to physical resources . 69
6.4.1.3.2 Demodulation reference signal for PUCCH format 2 . 69
6.4.1.3.2.1 Sequence generation . 69
6.4.1.3.2.2 Mapping to physical resources . 69
6.4.1.3.3 Demodulation reference signal for PUCCH formats 3 and 4 . 70
6.4.1.3.3.1 Sequence generation . 70
6.4.1.3.3.2 Mapping to physical resources . 70
6.4.1.4 Sounding reference signal . 71
6.4.1.4.1 SRS resource . 71
6.4.1.4.2 Sequence generation . 71
6.4.1.4.3 Mapping to physical resources . 72
6.4.1.4.4 Sounding reference signal slot configuration . 76
7 Downlink . 76
7.1 Overview . 76
ETSI

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3GPP TS 38.211 version 15.7.0 Release 15 5 ETSI TS 138 211 V15.7.0 (2019-10)
7.1.1 Overview of physical channels . 76
7.1.2 Overview of physical signals . 76
7.2 Physical resources . 76
7.3 Physical channels . 77
7.3.1 Physical downlink shared channel . 77
7.3.1.1 Scrambling . 77
7.3.1.2 Modulation . 77
7.3.1.3 Layer mapping . 77
7.3.1.4 Antenna port mapping . 78
7.3.1.5 Mapping to virtual resource blocks . 79
7.3.1.6 Mapping from virtual to physical resource blocks . 79
7.3.2 Physical downlink control channel (PDCCH) . 81
7.3.2.1 Control-channel element (CCE) . 81
7.3.2.2 Control-resource set (CORESET) . 81
7.3.2.3 Scrambling . 82
7.3.2.4 PDCCH modulation . 83
7.3.2.5 Mapping to physical resources . 83
7.3.3 Physical broadcast channel . 83
7.3.3.1 Scrambling . 83
7.3.3.2 Modulation . 83
7.3.3.3 Mapping to physical resources . 83
7.4 Physical signals . 83
7.4.1 Reference signals . 83
7.4.1.1 Demodulation reference signals for PDSCH . 83
7.4.1.1.1 Sequence generation . 83
7.4.1.1.2 Mapping to physical resources . 84
7.4.1.2 Phase-tracking reference signals for PDSCH . 87
7.4.1.2.1 Sequence generation . 87
7.4.1.2.2 Mapping to physical resources . 87
7.4.1.3 Demodulation reference signals for PDCCH . 89
7.4.1.3.1 Sequence generation . 89
7.4.1.3.2 Mapping to physical resources . 89
7.4.1.4 Demodulation reference signals for PBCH . 90
7.4.1.4.1 Sequence generation . 90
7.4.1.4.2 Mapping to physical resources . 90
7.4.1.5 CSI reference signals. 90
7.4.1.5.1 General . 90
7.4.1.5.2 Sequence generation . 90
7.4.1.5.3 Mapping to physical resources . 91
7.4.2 Synchronization signals . 94
7.4.2.1 Physical-layer cell identities. 94
7.4.2.2 Primary synchronization signal . 94
7.4.2.2.1 Sequence generation . 94
7.4.2.2.2 Mapping to physical resources . 94
7.4.2.3 Secondary synchronization signal . 95
7.4.2.3.1 Sequence generation . 95
7.4.2.3.2 Mapping to physical resource
...

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