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TR 38.785
UE radio transmission and reception
for enhanced NR sidelink

V17.0.0 (Wzip) 2022/06 60 p.

Rapporteur:: Mr. Lee, Sang-wook
LG Electronics Deutschland

full Table of Contents for TR 38.785 Word version: 17.0.0

1 Scope p. 7

2 References p. 7

3 Definitions, symbols and abbreviations p. 7

3.1 Definitions p. 7

3.2 Symbols p. 8

3.3 Abbreviations p. 10

4 Background p. 11

4.1 Justification p. 11

4.2 Objective p. 12

4.3 NR sidelink enhancement operating scenarios p. 13

4.3.1 General description p. 13

4.3.2 Operation Aspects p. 13

4.3.3 Synchronization reference source p. 14

5 Leftover RF requirements p. 17

5.1 Power class 2 sidelink UE p. 17

5.1.1 Coexistence evaluation for PC2 SL UE in licensed band p. 17

5.1.1.1 Coexistence evaluation scenarios p. 17

5.1.1.2 Coexistence simulations assumptions p. 17

5.1.1.2.1 Layout model p. 17

5.1.1.2.2 Simulation parameters p. 17

5.1.1.2.3 ACLR and ACS p. 19

5.1.1.2.4 Power control p. 19

5.1.1.3 Coexistence results p. 20

5.1.1.3.1 Scenario A p. 20

5.1.1.3.2 Scenario B p. 20

5.1.2 PC2 NR V2X UE RF requirements for single carrier p. 22

5.1.2.1 Maximum output power for NR V2X UE p. 22

5.1.2.2 UE maximum output power reduction p. 23

5.1.2.2.1 MPR for Power class 2 V2X UE p. 24

5.1.2.3 UE maximum output power with additional requirements p. 25

5.1.2.3.1 A-MPR for NS_33 p. 26

5.2 Intra-band V2X operation in a licensed band p. 27

5.2.1 Intra-band V2X operation scenarios and basic assumptions p. 27

5.2.2 Coexistence evaluation p. 28

5.2.2.1 Coexistence evaluation scenarios p. 28

5.2.2.2 Conclusion of Coexistence evaluations p. 28

5.2.3 Intra-band V2X operation with TDM operation p. 29

5.2.3.1 Operating bands for intra-band V2X operation with TDM operation p. 29

5.2.3.2 Tx requirements for intra-band V2X operation with TDM operation p. 29

5.2.3.2.1 Additional Tx requirements for TDM operation p. 29

5.2.3.3 Other Tx/Rx requirements for intra-band V2X operation with TDM operation p. 32

5.2.4 Intra-band contiguous V2X con-current operation with FDM operation p. 32

5.2.4.1 Configuration for intra-band contiguous V2X con-current operation with FDM operation p. 32

5.2.4.2 Tx requirements for intra-band contiguous V2X con-current operation with FDM operation p. 32

5.2.4.2.1 Maximum output power p. 32

5.2.4.2.2 UE maximum output power reduction p. 32

5.2.4.2.3 Configured transmitted power for intra-band con-current V2X operation p. 36

5.2.4.2.4 Minimum output power for intra-band con-current V2X operation p. 38

5.2.4.2.5 Transmit OFF power for intra-band con-current V2X operation p. 38

5.2.4.2.6 ON/OFF time mask for intra-band con-current V2X operation p. 38

5.2.4.2.7 Power control for intra-band con-current V2X operation p. 38

5.2.4.2.7.1 Absolute power tolerance p. 38

5.2.4.2.7.2 Relative power tolerance p. 38

5.2.4.2.7.3 Aggregate power control tolerance p. 38

5.2.4.2.8 Transmit signal quality for intra-band con-current V2X operation p. 39

5.2.4.2.8.1 Frequecny error p. 39

5.2.4.2.8.2 EVM p. 39

5.2.4.2.8.3 In-band emission p. 39

5.2.4.2.8.4 Carrier leakage p. 39

5.2.4.2.8.5 EVM equalizer spectrum flatness p. 39

5.2.4.2.9 Spectrum emission mask for intra-band con-current V2X operation p. 39

5.2.4.2.9.1 SEM for intra-band contiguous class C p. 39

5.2.4.2.10 ACLR requirements for intra-band con-current V2X operation p. 39

5.2.4.2.11 Spurious emission for intra-band con-current V2X operation p. 39

5.2.4.2.12 Spurious emission band UE co-existence for intra-band con-current V2X operation p. 39

5.2.4.2.13 Transmit intermodulation for intra-band con-current V2X operation p. 40

5.2.4.3 Rx requirements for intra-band contiguous V2X con-current operation with FDM operation p. 40

5.2.4.3.1 Reference sensitivity power level p. 40

5.2.4.3.2 Maximum input level p. 40

5.2.4.3.3 Adjacent channel selectivity p. 41

5.2.4.3.4 Blocking characteristics p. 41

5.2.4.3.4.1 In-band blocking requirements p. 41

5.2.4.3.4.2 Out-of-band blocking requirements p. 41

5.2.4.3.4.3 Narrow band blocking requirements p. 41

5.2.4.3.5 Spurious response p. 41

5.2.4.3.6 Wide band intermodulation p. 41

5.2.5 Intra-band non-contiguous V2X con-current operation with FDM operation p. 42

5.2.5.1 Configuration for intra-band non-contiguous V2X con-current operation with FDM operation p. 42

5.3 TxD requirements for NR V2X p. 42

5.3.1 UE maximum output power reduction for V2X p. 42

5.3.1.1 MPR for V2X UE p. 42

5.3.2 Configured transmitted power for V2X p. 42

5.3.3 Transmit OFF power for V2X p. 43

5.3.4 Transmit ON/OFF time mask for V2X p. 43

5.3.5 Power control for V2X p. 43

5.3.6 Frequency error for V2X p. 43

5.3.7 Transmit modulation quality for V2X p. 43

5.3.7.1 General p. 43

5.3.7.2 Error Vector Magnitude for V2X p. 43

5.3.7.3 EVM equalizer spectrum flatness for V2X p. 43

5.3.8 Occupied bandwidth for V2X p. 44

5.3.9 Out of band emission for V2X p. 44

5.3.10 Spurious emissions for V2X p. 44

5.3.11 Transmit intermodulation for V2X p. 44

6 Sidelink enhancement for advanced V2X service, public safety and other commercial use cases p. 45

6.1 Coexistence evaluation p. 45

6.1.1 Coexistence evaluation scenarios p. 45

6.1.1.1 Protection of B13/n13 UE by n14 PS operation with PC1/PC3 p. 45

6.1.1.2 Protection of legacy n14 Uu system in coverage NW scenarios p. 45

6.1.2 Conclusion of Coexistence evaluations p. 46

6.2 Co-channel co-existence issue p. 46

7 Operating bands and channel arrangement for SL enhancement p. 48

7.1 Operating bands p. 48

7.1.1 Operating bands p. 48

7.2 Channel bandwidth p. 48

7.2.1 Channel bandwidth p. 48

7.3 Channel arrangement enhancement p. 48

7.3.1 Channel raster p. 48

7.3.1.1 NR-ARFCN and channel raster p. 48

7.3.1.2 Channel raster to resource element mapping p. 48

7.3.1.3 Channel raster entries for each operating band p. 49

7.3.2 Synchronization raster p. 49

8 Transmitter/Receiver characteristics for SL enhancement p. 50

8.1 SL enhancement UE Tx requirements p. 50

8.1.1 UE maximum output power p. 50

8.1.2 UE maximum output power reduction p. 50

8.1.3 UE additional maximum output power reduction p. 51

8.1.4 Configured transmitted power p. 52

8.1.5 Minimum output power p. 52

8.1.6 Transmit OFF power p. 52

8.1.7 Transmit ON/OFF time mask p. 52

8.1.8 Power control p. 52

8.1.9 Frequency error p. 52

8.1.10 Transmit modulation quality p. 52

8.1.11 Occupied bandwidth p. 53

8.1.12 Out of band emission p. 53

8.1.12.1 SEM p. 53

8.1.12.2 A-SEM p. 53

8.1.12.3 ACLR p. 53

8.1.13 Spurious Emission p. 53

8.1.13.1 General spurious emissions p. 53

8.1.13.2 Spurious emissions for UE co-existence p. 53

8.1.13.3 Additional spurious emissions requirements p. 54

8.1.14 Transmit intermodulation p. 54

8.1.15 Time Alignment Error p. 54

8.2 SL enhancement UE Rx requirements p. 54

8.2.1 Reference sensitivity power level p. 54

8.2.2 Maximum input level p. 55

8.2.3 Adjacent Channel Selectivity (ACS) p. 55

8.2.4 Blocking characteristics p. 56

8.2.4.1 In-band blocking p. 56

8.2.4.2 Out-of-band blocking p. 57

8.2.5 Spurious response p. 57

8.2.6 Intermodulation characteristics p. 58

9 Conclusion and recommendations p. 59

$ Change history p. 60