Tech-invite 3GPPspace IETFspace

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Content for TR 38.889 Word version: 16.0.0

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2 References p. 7

3 Definitions, symbols and abbreviations p. 10

3.1 Definitions p. 10

3.2 Symbols p. 10

3.3 Abbreviations p. 10

4 Regulatory requirements p. 12

4.1 Regulatory requirements for 5GHz band p. 12

4.1.1 ITU Region 1 p. 14

4.1.1.1 Europe p. 14

4.1.1.2 Israel p. 18

4.1.1.3 Russia p. 18

4.1.1.4 South Africa p. 18

4.1.1.5 Turkey p. 18

4.1.2 ITU Region 2 p. 18

4.1.2.1 USA p. 18

4.1.2.2 Canada p. 21

4.1.2.3 Brazil p. 22

4.1.2.4 Mexico p. 22

4.1.3 ITU Region 3 p. 22

4.1.3.1 China p. 22

4.1.3.2 Japan p. 23

4.1.3.2.1 5150-5250 and 5250-5350 MHz p. 25

4.1.3.2.2 5470-5725 MHz p. 27

4.1.3.2.3 Simultaneous use of 5150-5250 and 5470-5725 MHz / 5250-5350 and 5470-5725 MHz p. 28

4.1.3.3 Korea p. 30

4.1.3.4 India p. 31

4.1.3.5 Taiwan p. 32

4.1.3.6 Singapore p. 34

4.1.3.7 Australia p. 34

4.1.4 Applicability of DFS requirements p. 34

4.1.4.1 DFS according to ECC p. 35

4.1.4.2 DFS in the Part 15 rules p. 35

4.2 Regulatory requirements for 6GHz band p. 36

5 Spectrum considerations p. 36

6 Deployment scenarios p. 36

7 Design targets, functionalities and solutions p. 36

7.1 Design targets and functionalities p. 37

7.2 Solutions for operation in unlicensed spectrum p. 37

7.2.1 Physical layer aspects p. 37

7.2.1.1 Frame structure p. 37

7.2.1.2 Physical layer channel designs p. 39

7.2.1.3 Physical layer procedure designs p. 44

7.2.1.3.1 Channel access procedures p. 44

7.2.1.3.2 Initial access and mobility p. 46

7.2.1.3.3 Potential HARQ enhancements p. 48

7.2.1.3.4 Potential enhancements to configured grant p. 49

7.2.2 Higher layer aspects p. 51

7.2.2.1 Inactive and Idle procedures (38.304 related) p. 51

7.2.2.2 L2 impacts p. 51

7.2.2.2.1 RACH (4-step, 2-step) p. 51

7.2.2.2.2 MAC (except RACH) p. 52

7.2.2.2.3 Other p. 52

7.2.2.3 Control plane impacts p. 52

7.2.2.3.1 RLM/RLF and mobility (conn mode) p. 52

7.2.2.3.2 Other p. 53

8 Performance evaluations p. 53

8.1 Scenarios and methodology p. 54

8.1.1 Sub7 GHz indoor scenario p. 54

8.1.2 Sub7GHz outdoor scenario p. 55

8.2 Channel access schemes p. 55

8.3 Evaluation results p. 56

8.3.1 Coexistence evaluation results for 5GHz p. 56

8.3.1.1 Detailed findings for indoor scenarios p. 56

8.3.1.2 Detailed findings for outdoor scenario 1 p. 58

8.3.1.3 Detailed findings for outdoor scenario 2 p. 58

8.3.1.4 Summary of observations p. 59

8.3.2 Coexistence evaluation results for 6GHz p. 59

8.3.2.1 Detailed findings for indoor scenarios p. 59

8.3.2.2 Detailed findings for outdoor scenario 1 p. 60

8.3.2.3 Summary of observations p. 60

8.4 Adjacent channel interference analysis p. 61

9 Conclusions p. 61

A Evaluation methodology p. 64

A.1 General evaluation assumptions p. 64

A.1.1 Evaluation assumptions for sub 7GHz indoor scenario p. 64

A.1.2 Evaluation assumptions for sub 7GHz outdoor scenarios p. 64

B Evaluation results p. 66

B.1 Evaluation results for sub7GHz indoor p. 66

B.1.1 Wi-Fi and NR-U coexistence evaluation with 20MHz and FTP traffic p. 66

B.1.2 Wi-Fi and NR-U coexistence evaluation with 20MHz and mixed traffic p. 98

B.2 Evaluation results for sub7GHz outdoor scenario 1 p. 100

B.2.1 Wi-Fi and NR-U coexistence evaluation with 20MHz and FTP traffic p. 100

B.3 Evaluation results for sub7GHz outdoor scenario 2 p. 112

B.3.1 Wi-Fi and NR-U coexistence evaluation with 20MHz and FTP traffic p. 112

$ Change History p. 119