Following the scaled commercial rollout of 5G networks, the global industry has begun researching and exploring the next-generation mobile communications technologies — 6G. On June 6, 2021, IMT-2030 (6G) Promotion Group officially released the white paper on "6G Vision and Candidate Technologies ". This white paper summarizes the current study results of the IMT-2030(6G) promotion group, covering 6G vision, driving forces of 6G development, candidate use cases of 6G, ten candidate 6G technologies, and expressed some thoughts on the 6G development. 

The eight Use Cases highlighted are:

1. Immersive Cloud XR

2. Holographic Communications

3. Sensory Interconnection

4. Intelligent Interaction

5. Communication for Sensing

6. Proliferation of Intelligence

7. Digital Twins

8. Global Seamless Coverage

The 10 Candidate 6G Technologies highlighted are:

1. New Network with Native AI

  o New Air Interface with Native AI

  o New Network Architecture with Native AI

2. Enhanced Wireless Air Interface Technologies

  o Basic Physical Layer Technologies

  o Ultra-Massive MIMO

o In-band Full Duplex

3. Wireless Transmission Technologies on New Physical Dimensions

  o Reconfigurable Intelligent Surface (RIS)

  o Orbital Angular Momentum (OAM)

  o Intelligent Holographic Radio (IHR)

4. Terahertz and Visible Light Technologies

  o Terahertz Communications

  o Visible Light Communications

5. Integrated Communications and Sensing

6. Distributed Autonomous Network Architecture

7. Deterministic Network

8. Computing-Aware Network

9. Integrated Terrestrial and Non-Terrestrial Network

10. Native Network Security based on Multi-Lateral Trust Model