Table of Contents

Document History 3

Table of Contents 4

Executive Summary 5

Abbreviations 5

1 Overview of digital twin development 6

2 Digital Twin System Architecture 7

3 Digital Twin Capabilities 8

3.1 Universe perception 8

3.2 Heterogeneous Network Collaboration 9

3.3 Multi-source data fusion 10

3.4 Efficient modelling 11

3.5 Real-time dynamic simulation 13

3.6 Visualization 13

3.7 Security 14

4 Digital twin use cases 14

4.1 Smart City Construction 14

4.2 Winter Olympic Games Preparation 15

4.3 Factory Upgrade and Transformation 16

4.4 Smart Transportation Upgrade 17

4.5 Smart Grid Upgrade 18

4.6 Underground Station Intellectualization 19

4.7 Port Operation Management 20

4.8 Industry Network Lifecycle Management 21

5 Conclusion and prospect 23

6 References 24