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Content for TR 38.846 Word version: 18.1.0

1… 5…

5 Working procedure of specifying band combinations p. 10

5.1 General p. 10

5.1A Band combination request p. 11

5.1A.1 Band combination workflow p. 11

5.1A.1.1 The workflow on introduction of band combinations for block approval p. 11

5.1B Usage of band combination p. 12

5.1B.1 Notation of CA or DC configurations in the request sheets and work item descriptions p. 12

5.2 New templates for specifying band combinations p. 12

5.2.1 Templates for PC3 band combinations p. 12

5.2.2 Templates for high power UE band combinations p. 14

5.2.3 New templates of delta TIB / RIB due to NE-DC and SUL band combinations in Rel-18 p. 15

5.2.4 New template for ΔTIB,c and ΔRIB,c tables for CA/DC p. 16

5.3 Fallback aspects for specifying band combinations p. 17

5.4 Submitting technical contributions (Tdoc) for specifying band combinations p. 18

5.4.1 Text Proposal (TP) or Draft Change Request (draft CR) p. 18

5.4.2 Specific for Text Proposal (TP) p. 18

5.4.3 Specific for Draft Change Request (draft CR) p. 18

5.4.4 Which agenda to submit the Tdoc for p. 18

6 Guidelines of specifying band combinations p. 18

6.1 General p. 18

6.1A Notation of lists of bands and bandwidths within a configuration p. 20

6.1A.1 Band numbers p. 20

6.1A.2 Bandwidth classes p. 20

6.1A.2.1 Bandwidth classes for LTE p. 20

6.1A.2.2 Bandwidth classes for NR p. 21

6.1B Rules to be used for the notation of CA or DC configurations p. 22

6.1C Adding or removing channel BW's in NR CA configurations p. 23

6.1C.1 Adding channel BW's in NR CA configurations p. 23

6.1C.2 Removing channel BW's in NR CA configurations p. 23

6.1C.2.1 Removing of not possible channel BW's p. 23

6.1C.2.2 Removing of possible channel BW's p. 23

6.2 Guidelines on band combination fallbacks p. 24

6.2.1 General definition of fallbacks p. 24

6.2.2 Mandatory Fallbacks p. 25

6.2.3 Fallbacks of EN-DC Configurations p. 26

6.2.4 Fallbacks of UL Configurations p. 26

6.2.5 Fallback rules for some exceptional cases p. 26

6.2.6 Guidelines on valid CBW for higher order BC depending on fallbacks p. 27

6.3 Guidelines on delta TIB and RIB due to band combinations p. 27

6.4 Guidelines on simplification for CA configurations p. 28

6.5 Guidelines on Co-Existence analysis p. 29

6.5.1 Uplink Intra-Band CA with one UL CC transmissions p. 29

6.5.2 Uplink Intra-Band CA with two UL CC transmissions p. 30

6.5.3 Uplink triple beat p. 32

6.6 Rules for band combination with BCS4/BCS5 p. 33

6.6.1 Introduction of BCS4/BCS5 p. 33

6.6.2 Guidelines for band combination with BCS4/BCS5 p. 35

6.6.3 The maximum aggregated bandwidth for intra-band CA with BCS4/BCS5 p. 35

6.7 Guidelines on simplification for 3DL/2UL MSD due to 2UL IMD interference p. 35

6.8 Guidelines on configuration tables p. 36

6.8.1 CA configuration table p. 36

6.8.2 DC configuration table p. 39

6.8.3 SUL configuration table p. 44

7 Test burden reduction for band combinations p. 46

7.1 General p. 46

7.2 Similarity and Dependency of Tx RF requirements for different features on the same band combination p. 46

7.2.1 Maximum output power p. 46

7.2.2 Spurious emission for UE-to-UE coexistence p. 54

7.3 Similarity and Dependency of Rx RF requirements for different features on the same band combination p. 54

7.3.1 REFSENS exception due to harmonic/harmonic mixing interference for inter-band combinations (two bands) p. 54

7.3.2 REFSENS exception due to cross band isolation interference for inter-band combinations (two bands) p. 54

7.3.3 REFSENS exception due to inter-modulation distortion for inter-band combinations (two bands) p. 55

7.3.4 REFSENS requirements without any degradation for inter-band combinations (two bands) p. 68

7.4 Test burden reduction for multiple MSD p. 68

8 Conclusion p. 71

$ Change history p. 72