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Three UK and Ericsson set the standard for smart and sustainable networks

  • Three UK and Ericsson have improved energy efficiency by up to 70 percent at selected sites.
  • Combination of hardware and software upgrades deliver energy efficiency benefits and lower CO2 emissions.
  • Artificial intelligence (AI), data analytics and Micro Sleep features allow radio components to autonomously deactivate during low traffic hours or when not active.
Press release
Jun 19, 2024
Three UK and Ericsson set the standard for smart and sustainable networks

Three UK has hit a new milestone in its network sustainability journey thanks to the deployment of next-generation AI-powered hardware and software solutions from Ericsson (NASDAQ:ERIC).

As part of an ongoing network modernization initiative over the last 18 months, Three UK has worked with Ericsson on improving network energy performance thanks to a combination of industry leading energy efficient radios and the use of AI and data analytics.

Late in 2023, Three UK became one of the first major operators in the UK to deploy Ericsson’s award-winning dual-band Radio 4490, which consumes less power and is 25% lighter than previous models, simplifying site access and speeding up site upgrades.

Combined with the deployment of more energy-efficient radios, Three UK has also implemented a series of software features that consume less power per radio during low traffic hours. Thanks to advanced machine learning, passive cooling and power-saving features, the new generation of radio works autonomously across 4G and 5G networks to switch off radio components when not active, while having the capability to switch on again in microseconds for the next service request.

So far, the partnership between Three UK and Ericsson has resulted in an improvement of network energy efficiency of up to 70 percent at selected sites, all completed while improving network performance but reducing site footprint and lowering CO2 emissions.

Iain Milligan, Chief Network Officer, Three UK, said: “Three UK's collaboration with Ericsson marks a milestone in our commitment to sustainability. We've achieved excellent improvements in energy efficiency while expanding network capabilities for our customers. We plan to take these learnings on board for future projects, ensuring that we continue to improve the environmental impact of our network."

Evangelia Tzifa, Chief Technology Officer, Networks & Managed Services, Ericsson UK and Ireland, said: “Together with Three UK, we are redefining the network of the future and making it both smarter and more energy efficient. To increase network availability and performance while reducing network energy consumption is a testament to the technology and expertise of our two great teams. I am both excited and proud to know that we are building a modern digital infrastructure together that brings not only superior performance for Three customers, but also helps to make the future more promising and sustainable.”



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Ericsson enables communications service providers and enterprises to capture the full value of connectivity. The company’s portfolio spans the following business areas: Networks, Cloud Software and Services, Enterprise Wireless Solutions, Global Communications Platform, and Technologies and New Businesses. It is designed to help our customers go digital, increase efficiency and find new revenue streams. Ericsson’s innovation investments have delivered the benefits of mobility and mobile broadband to billions of people globally. Ericsson stock is listed on Nasdaq Stockholm and on Nasdaq New York.