Content for TS 38.211 Word version: 18.0.0
7 Downlink p. 107
7.1 Overview p. 107
7.2 Physical resources p. 108
7.3 Physical channels p. 108
7.3.1 Physical downlink shared channel p. 108
7.3.1.1 Scrambling p. 108
7.3.1.2 Modulation p. 109
7.3.1.3 Layer mapping p. 109
7.3.1.4 Antenna port mapping p. 110
7.3.1.5 Mapping to virtual resource blocks p. 111
7.3.1.6 Mapping from virtual to physical resource blocks p. 111
7.3.2 Physical downlink control channel (PDCCH) p. 113
7.3.2.1 Control-channel element (CCE) p. 113
7.3.2.2 Control-resource set (CORESET) p. 113
7.3.2.3 Scrambling p. 115
7.3.2.4 PDCCH modulation p. 115
7.3.2.5 Mapping to physical resources p. 115
7.3.3 Physical broadcast channel p. 115
7.4 Physical signals p. 116
7.4.1 Reference signals p. 116
7.4.1.1 Demodulation reference signals for PDSCH p. 116
7.4.1.2 Phase-tracking reference signals for PDSCH p. 121
7.4.1.3 Demodulation reference signals for PDCCH p. 123
7.4.1.4 Demodulation reference signals for PBCH p. 124
7.4.1.5 CSI reference signals p. 124
7.4.1.5.1 General p. 124
7.4.1.5.2 Sequence generation p. 125
7.4.1.5.3 Mapping to physical resources p. 125
7.4.1.6 RIM reference signals p. 128
7.4.1.6.1 General p. 128
7.4.1.6.2 Sequence generation p. 128
7.4.1.6.3 Mapping to physical resources p. 129
7.4.1.6.4 RIM-RS configuration p. 129
7.4.1.6.4.1 General p. 129
7.4.1.6.4.2 Time-domain parameters and mapping from i"t" to time-domain parameters p. 129
7.4.1.6.4.3 Frequency-domain parameters and mapping from i"f" to frequency-domain parameters p. 130
7.4.1.6.4.4 Sequence parameters and mapping from i"s" to sequence parameters p. 131
7.4.1.6.4.5 Mapping between resource triplet and set ID p. 131
7.4.1.7 Positioning reference signals p. 132
7.4.2 Synchronization signals p. 134
7.4.2.1 Physical-layer cell identities p. 134
7.4.2.2 Primary synchronization signal p. 134
7.4.2.3 Secondary synchronization signal p. 134
7.4.3 SS/PBCH block p. 135
