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Content for TR 38.862 Word version: 17.1.0

1… 5…

5 Rules and guidelines of specifying band combinations p. 9

5.1 General p. 9

5.2 Notation of lists of bands and bandwidths within a configuration p. 10

5.2.1 Band numbers p. 10

5.2.2 Bandwidth classes p. 11

5.2.2.1 Bandwidth classes for LTE p. 11

5.2.2.2 Bandwidth classes for NR p. 11

5.3 Rules to be used for the notation of CA or DC configurations p. 12

5.4 Adding or removing channel BW's in NR CA configurations p. 13

5.4.1 Adding channel BW's in NR CA configurations p. 13

5.4.2 Removing channel BW's in NR CA configurations p. 14

5.4.2.1 Removing of not possible channel BW's p. 14

5.4.2.2 Removing of possible channel BW's p. 14

5.5 Rules for band combination with BCS4/BCS5 p. 14

5.5.1 Introduction of BCS4/BCS5 p. 14

5.5.2 Guidelines for band combination with BCS4/BCS5 p. 15

5.5.3 The maximum aggregated bandwidth for intra-band CA with BCS4/BCS5 p. 16

6 Introduction of band combinations p. 16

6.1 General p. 16

6.2 Band combination request p. 16

6.2.1 Band combination workflow p. 16

6.2.1.0 General p. 16

6.2.1.1 The workflow on introduction of band combinations for block approval p. 16

6.2.1.2 Band combinations not valid or not for block approval in release 17 p. 18

6.2.1.2.1 New band combination types in release 17 p. 18

6.2.1.2.2 Band combinations not valid in release 17 p. 18

6.2.1.2.3 Band combinations not for block approval in release 17 p. 18

6.2.2 Template of band combination request sheet, status report and band combinations table in basket WI p. 20

6.2.3 Template of TP for basket WIDs p. 21

6.3 Usage of band combination p. 21

6.3.1 Notation of CA or DC configurations in the request sheets and work item descriptions p. 21

7 Guidelines for technical studies for band combinations p. 22

7.1 Guidelines on the band edge relaxation for MOP for CA/DC band combination p. 22

7.2 Guidelines on introduction of PC2 combinations p. 23

7.3 Guidelines on introduction of band combinations with intra-band ULCA in UL configuration p. 23

7.3.1 Handling of band combinations subject to triple beat interference p. 23

7.3.2 Two and three band combinations with 1UL band and intra-band ULCA as UL configuration p. 23

7.3.2.1 Description of the issue p. 23

7.3.2.2 Calculations and specification for contiguous UL CA as UL configuration p. 24

7.3.2.3 Calculations and specification for non-contiguous UL CA as UL configuration p. 25

7.3.3 Two and three band combinations with 2UL band and intra-band ULCA as UL configuration in at last one band p. 26

7.3.3.1 Description of the issue p. 26

7.3.3.2 Calculations and specification for contiguous UL CA as UL configuration p. 26

8 Optimization on band combinations p. 27

8.1 General p. 27

8.2 Improving RAN4 specification structures p. 27

8.2.1 Void

8.2.2 Configuration table structure p. 27

8.2.2.1 CA configuration table p. 27

8.2.2.2 DC configuration table p. 28

8.2.2.3 SUL configuration table p. 29

8.3 Reducing redundant contents in RAN4 specification p. 30

8.3.1 Configuration tables p. 30

8.3.1.1 CA configuration table p. 30

8.3.1.2 DC configuration table p. 33

8.3.1.3 SUL configuration table p. 38

8.3.2 ΔTIB,c and ΔRIB,c for DC p. 41

8.3.2.1 Void

8.3.2.2 Void

8.3.2.3 ΔTIB,c and ΔRIB,c statistical distribution p. 41

8.3.2.4 New template for ΔTIB,c and ΔRIB,c tables in Rel-18 p. 46

8.3.3 Further simplification on configuration tables for NR inter-band CA and SUL in Rel-18 p. 47

8.3.3.1 Necessity for further simplification p. 47

8.3.3.2 Proposed approaches p. 47

8.3.3.3 When to implement p. 50

9 Void

10 Conclusion p. 51

$ Change history p. 52