1 Abbreviations 5

2 Overview 7

3 5G Industry Progress 7

3.1 Standard Progress 7

3.2 Global Spectrum Auction Progress 8

3.3 Chips and Terminals Progress 9

3.4 Large Scale Trial progress and Use Case 10

4 Target Network Architecture 11

4.1 Network Architecture Strategy: SA or NSA 11

4.2 CU/DU Splitting and Edge Cloud 12

4.3 Network Synchronization 14

5 Key Solutions of pre-commercial Network 19

5.1 Massive MIMO Solution 19

5.1.1 Massive MIMO Performance Advantage 19

5.1.2 Key Features Proposed for Massive MIMO 21

5.1.3 3D Massive MIMO Gain 22

5.1.4 Easy-to-Deploy Massive MIMO 22

5.2 Coverage Enhancement Solution 23

5.2.1 EN-DC 24

5.2.2 Inter-Band DL CA 25

5.2.3 Supplementary UL (SUL) 25

5.3 Mobility Solution 25

5.4 Voice Solution 27

5.5 Low Latency Solution for eMBB 30

6 Network Deployment Strategy 33

6.1 Service Selection and Requirements 33

6.2 5G Networking Suggestions 34

7 Large-Scale Pre-commercial Trial Result Sharing 36

7.1 5G Pre-commercial Trial in Hangzhou 36

7.1.1 Overview of Trial in Hangzhou 36

7.1.2 Network Deployment and Architecture 37

7.1.3 Trial Results of Performance 37

7.1.4 Validation of Easy Deployment 38

7.1.5 Trial Cases of 5G New Services 39

7.2 5G Pre-commercial Trial in Guangzhou 39

7.2.1 Overview of Trial in Guangzhou 39

7.2.2 Network Deployment and Architecture 40

7.2.3 Trial Results of Performance 40

7.2.4 Trial Cases of 5G New Services 41

7.3 5G Pre-commercial Trial in Suzhou 42

7.3.1 Overview of Trial in Suzhou 42

7.3.2 Multiband Propagation Capability 43

7.3.3 1/4 SSB Coverage Comparison 43

7.4 5G Pre-commercial Trial in Shanghai 44

7.4.1 Overview of Trial in Shanghai 44

7.4.2 Network Deployment and Architecture 44

7.4.3 Trial Results of CU/DU Splitting and Edge Cloud 45

7.5 5G Pre-commercial Trial in Wuhan 47

7.5.1 Overview of Trial in Wuhan 47

7.5.2 Network Deployment and Architecture 48

7.5.3 Trial Results of Performance 48

7.5.4 Trial Cases of 5G New Services 50

8 Summary 51