GTI 5G Device Power Consumption White Paper 2

Document History 3

Table of Contents 5

1 Executive Summary 8

2 Abbreviations 8

3 Introduction 11

4 Key components of power consumption 11

4.1 RFFE 12

4.1.1 Basic Information of PA 15

4.1.2 Methods of improving the PA efficiency 17

4.2 BP 20

4.3 AP 21

4.4 RFIC 21

4.5 Screen 22

5 Factors of power consumption - 5G features 24

5.1 5.1 RRC idle state and RRC inactive state 24

5.1.1 Bandwidth 24

5.1.2 Paging 24

5.1.3 Measurement 25

5.1.4 System information acquisition (including synchronisation) 25

5.1.5 RNA update 27

5.2 RRC connected state 27

5.2.1 Bandwidth 27

5.2.2 UL-MIMO 29

5.2.3 HPUE 30

5.2.4 BWP 31

5.2.5 DRX 34

5.2.6 Cross-slot scheduling 36

5.2.7 Periodic PDCCH monitoring 37

5.3 Parameter configuration recommendation 37

5.3.1 3GPP power model 38

5.3.2 Applying the 3GPP power model to NSA 41

5.3.3 Modelling scenarios 42

5.3.4 Standalone baseline scenarios 43

5.3.5 Standalone power saving evaluation 47

5.3.6 Nonstandalone comparison 60

5.4 Enhancements of Power Saving in Release 16 63

5.4.1 BWP adaptation framework 64

5.4.1.1 PDCCH Monitoring Reduction 64

5.4.1.2 SCell dormancy 64

5.4.1.3 MIMO layer adaptation 66

5.4.1.4 Cross-slot scheduling 66

5.4.2 Wakeup signal for cDRX optimization 67

5.4.3 RRM measurements relaxation 68

5.4.4 Extended UE Assistance information 69

5.4.4.1 DRX Preference 69

5.4.4.2 Max BW and Max CC Preference 69

5.4.4.3 Minimum Scheduling Offset Preference 70

5.4.4.4 Release Preference for efficient RRC state transitions 70

5.4.5 SECONDAY DRX 70

5.4.6 Proposed Features Combination for different traffic profiles: 71

5.5 Enhancements of Power Saving in Release 17 74

5.5.1 NR Idle-Mode Power Consumption Issue 74

5.5.2 Paging Enhancements for UE Power Saving in NR 75

5.5.3 TRS/CSI-RS for idle/inactive UE 77

5.5.4 Extension to Rel-16 DCI-based power saving adaptation 78

5.5.5 Relaxing UE Measurements for RLM/BFD 80

5.5.6 Sending Data in RRC inactive state 81

6 Requirement of 5G terminal power consumption 82

6.1 NSA 82

6.1.1 RRC idle state and RRC inactive state 82

6.1.2 RRC connected state 84

6.2 SA 87

6.2.1 RRC idle state and RRC inactive state 87

6.2.2 RRC connected state 88

6.3 Estimating power consumption in NR UEs 90

7 Service 92

7.1 Service type and Parameter configuration 92

7.1.1 FTP model 3 92

7.1.2 Game 93

7.1.3 Video 94

7.1.4 Voice 95

7.1.5 Other Applications 95

7.2 User model 98

7.3 5G industry application power analysis 98

7.3.1 7.3.1 Laptop 98

8 Power consumption test 98

8.1 Test instrumentation  98

8.2 Test method 101

9 References 104