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G7 Digital and Tech Track Annex 2:
G7 Vision for Future Networks in the Beyond 5G/6G Era

Takasaki, Gunma, April 30, 2023

See: Ministerial Declaration The G7 Digital and Tech Ministers' Meeting
Annex 1: Priorities and Operationalisation of the DFFT
Annex 3: G7 Action Plan for Building a Secure and Resilient Network Infrastructure
Annex 4: G7 Action Plan for Open, Free, Global, Interoperable, Reliable, and Secure Internet
Annex 5: G7 Action Plan for promoting global interoperability between tools for trustworthy AI

  1. In the Beyond 5G/6G era, the increasingly digitalised environment is paving the way for real-time and interactive activities, particularly mission-critical operations such as automation and telemedicine. We share a common vision for future networks with the following elements to realise the potential of the digital environment in the Beyond 5G/6G era.

  2. End-to-End High-capacity and Ultra-low latency
    To realise end-to-end high capacity and ultra-low latency services, not only radio access network but also the whole network architecture should be considered in designing and developing critical technologies and standards for future networks. This element may lead to higher network connectivity and data rate in high-speed trains or other mass transport systems.

  3. Energy Efficiency and Environmental Impacts
    In order to minimise the energy consumption and environmental impacts associated with increased data traffic, a significant reduction in overall network power consumption and development of eco-designed network equipment are essential factors for a sustainable digital society.

  4. Multi-layered network
    Network connectivity should be enhanced through developing and deploying multi-layered networks with terrestrial networks, submarine cables, and non-terrestrial networks (NTN) such as Low Earth Orbit (LEO) Satellites and High-Altitude Platform Station (HAPS), and we recognise the importance of seamless interoperability between these networks. In particular, NTN is expected to provide new options to build cost-effective and reliable digital infrastructure, especially empowering developing countries to realise universal digital connectivity.

  5. Frequency Efficiency
    With smaller cell diameters in the same spectrum a higher frequency reuse rate can be achieved. This may reduce the energy consumption of mobile networks, such as Beyond 5G/6G networks. Also, it will significantly increase the date rate and bandwidth utilisation.

  6. In addition to the above elements, we recognise that openness, interoperability, and modularity are important elements of future networks in the Beyond 5G/6G era.

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Source: Official website of the 2023 G7 Digital and Tech Ministers Meeting, Japan

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