ETSI
ETSI TS 138 211 V15.8.0 (202
3GPP TS 38.211 version 15.8.0 Release 15
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 ........................................................................................................ 33
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
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