TS 138 211 - V16.7.0 - 5G; NR; Physical channels and ... - ETSI

ETSI TS 138 211 V16.7.0 (2021-10)

TECHNICAL SPECIFICATION

5G; NR; Physical channels and modulation (3GPP TS 38.211 version 16.7.0 Release 16)

3GPP TS 38.211 version 16.7.0 Release 16

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ETSI TS 138 211 V16.7.0 (2021-10)

Reference RTS/TSGR-0138211vg70

Keywords 5G

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3GPP TS 38.211 version 16.7.0 Release 16

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ETSI TS 138 211 V16.7.0 (2021-10)

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Contents

Intellectual Property Rights ................................................................................................................................2

Legal Notice .......................................................................................................................................................2

Modal verbs terminology....................................................................................................................................2

Foreword ............................................................................................................................................................. 8

1 Scope ........................................................................................................................................................9

2 References ................................................................................................................................................9

3 Definitions, symbols and abbreviations ...................................................................................................9

3.1

Definitions ..........................................................................................................................................................9

3.2

Symbols ..............................................................................................................................................................9

3.3

Abbreviations ...................................................................................................................................................11

4 Frame structure and physical resources..................................................................................................11

4.1

General .............................................................................................................................................................11

4.2

Numerologies ...................................................................................................................................................11

4.3

Frame structure.................................................................................................................................................12

4.3.1

Frames and subframes ................................................................................................................................12

4.3.2

Slots ............................................................................................................................................................12

4.4

Physical resources ............................................................................................................................................13

4.4.1

Antenna ports..............................................................................................................................................13

4.4.2

Resource grid ..............................................................................................................................................14

4.4.3

Resource elements ......................................................................................................................................14

4.4.4

Resource blocks ..........................................................................................................................................14

4.4.4.1

General ..................................................................................................................................................14

4.4.4.2

Point A ..................................................................................................................................................14

4.4.4.3

Common resource blocks ......................................................................................................................15

4.4.4.4

Physical resource blocks .......................................................................................................................15

4.4.4.5

Virtual resource blocks .........................................................................................................................15

4.4.4.6

Interlaced resource blocks.....................................................................................................................15

4.4.5

Bandwidth part............................................................................................................................................16

4.5

Carrier aggregation...........................................................................................................................................16

5 Generic functions ...................................................................................................................................17

5.1

Modulation mapper ..........................................................................................................................................17

5.1.1

/2-BPSK .................................................................................................................................................... 17

5.1.2

BPSK ..........................................................................................................................................................17

5.1.3

QPSK ..........................................................................................................................................................17

5.1.4

16QAM .......................................................................................................................................................17

5.1.5

64QAM .......................................................................................................................................................17

5.1.6

256QAM .....................................................................................................................................................17

5.2

Sequence generation.........................................................................................................................................18

5.2.1

Pseudo-random sequence generation ..........................................................................................................18

5.2.2

Low-PAPR sequence generation type 1......................................................................................................18

5.2.2.1

Base sequences of length 36 or larger ...................................................................................................18

5.2.2.2

Base sequences of length less than 36...................................................................................................18

5.2.3

Low-PAPR sequence generation type 2......................................................................................................22

5.2.3.1

Sequences of length 30 or larger ...........................................................................................................22

5.2.3.2

Sequences of length less than 30...........................................................................................................22

5.3

OFDM baseband signal generation ..................................................................................................................26

5.3.1

OFDM baseband signal generation for all channels except PRACH and RIM-RS ....................................26

5.3.2

OFDM baseband signal generation for PRACH.........................................................................................28

5.3.3

OFDM baseband signal generation for RIM-RS ........................................................................................30

5.4

Modulation and upconversion ..........................................................................................................................30

6 Uplink.....................................................................................................................................................31

6.1

Overview ..........................................................................................................................................................31

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6.1.1

Overview of physical channels ...................................................................................................................31

6.1.2

Overview of physical signals ......................................................................................................................31

6.2

Physical resources ............................................................................................................................................31

6.3

Physical channels .............................................................................................................................................32

6.3.1

Physical uplink shared channel...................................................................................................................32

6.3.1.1

Scrambling ............................................................................................................................................32

6.3.1.2

Modulation ............................................................................................................................................33

6.3.1.3

Layer mapping ......................................................................................................................................33

6.3.1.4

Transform precoding.............................................................................................................................33

6.3.1.5

Precoding ..............................................................................................................................................34

6.3.1.6

Mapping to virtual resource blocks .......................................................................................................37

6.3.1.7

Mapping from virtual to physical resource blocks ................................................................................37

6.3.2

Physical uplink control channel ..................................................................................................................37

6.3.2.1

General ..................................................................................................................................................37

6.3.2.2

Sequence and cyclic shift hopping ........................................................................................................38

6.3.2.2.1

Group and sequence hopping ..........................................................................................................38

6.3.2.2.2

Cyclic shift hopping ........................................................................................................................39

6.3.2.3

PUCCH format 0...................................................................................................................................39

6.3.2.3.1

Sequence generation........................................................................................................................39

6.3.2.3.2

Mapping to physical resources ........................................................................................................39

6.3.2.4

PUCCH format 1...................................................................................................................................40

6.3.2.4.1

Sequence modulation.......................................................................................................................40

6.3.2.4.2

Mapping to physical resources ........................................................................................................41

6.3.2.5

PUCCH format 2...................................................................................................................................41

6.3.2.5.1

Scrambling ....................................................................................................................................... 41

6.3.2.5.2

Modulation ......................................................................................................................................41

6.3.2.5.2A

Spreading ......................................................................................................................................... 42

6.3.2.5.3

Mapping to physical resources ........................................................................................................42

6.3.2.6

PUCCH formats 3 and 4 .......................................................................................................................42

6.3.2.6.1

Scrambling ....................................................................................................................................... 42

6.3.2.6.2

Modulation ......................................................................................................................................43

6.3.2.6.3

Block-wise spreading ......................................................................................................................43

6.3.2.6.4

Transform precoding .......................................................................................................................44

6.3.2.6.5

Mapping to physical resources ........................................................................................................44

6.3.3

Physical random-access channel.................................................................................................................45

6.3.3.1

Sequence generation..............................................................................................................................45

6.3.3.2

Mapping to physical resources..............................................................................................................51

6.4

Physical signals ................................................................................................................................................71

6.4.1

Reference signals ........................................................................................................................................71

6.4.1.1

Demodulation reference signal for PUSCH ..........................................................................................71

6.4.1.1.1

Sequence generation........................................................................................................................71

6.4.1.1.2

(void) ...............................................................................................................................................73

6.4.1.1.3

Precoding and mapping to physical resources .................................................................................73

6.4.1.2

Phase-tracking reference signals for PUSCH........................................................................................77

6.4.1.2.1

Sequence generation........................................................................................................................77

6.4.1.2.1.1

Sequence generation if transform precoding is not enabled.......................................................77

6.4.1.2.1.2

Sequence generation if transform precoding is enabled.............................................................78

6.4.1.2.2

Mapping to physical resources ........................................................................................................78

6.4.1.2.2.1

Precoding and mapping to physical resources if transform precoding is not enabled................78

6.4.1.2.2.2

Mapping to physical resources if transform precoding is enabled .............................................80

6.4.1.3

Demodulation reference signal for PUCCH..........................................................................................81

6.4.1.3.1

Demodulation reference signal for PUCCH format 1......................................................................81

6.4.1.3.1.1

Sequence generation ..................................................................................................................81

6.4.1.3.1.2

Mapping to physical resources...................................................................................................82

6.4.1.3.2

Demodulation reference signal for PUCCH format 2......................................................................82

6.4.1.3.2.1

Sequence generation ..................................................................................................................82

6.4.1.3.2.2

Mapping to physical resources...................................................................................................83

6.4.1.3.3

Demodulation reference signal for PUCCH formats 3 and 4 ..........................................................83

6.4.1.3.3.1

Sequence generation ..................................................................................................................83

6.4.1.3.3.2

Mapping to physical resources...................................................................................................83

6.4.1.4

Sounding reference signal .....................................................................................................................84

6.4.1.4.1

SRS resource ...................................................................................................................................84

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