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O2 launches pilot to boost London network ahead of 5G

·         ‘Massive MIMO’ pilot in Kings Cross and Marble Arch

·         Technology to enhance connectivity and lay foundations for 5G across the capital

·         Part of O2’s technology partnership with Nokia to modernise UK mobile network

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O2 is working with Nokia on two Massive MIMO trials in Kings Cross and Marble Arch, aimed at enhancing connectivity for O2 customers and paving the way for the future deployment of 5G across the capital.

Massive MIMO technology works by sending multiple beams of data from an antenna to devices, increasing performance and enhancing capacity with the ability to serve more users simultaneously.  

By trialling the technology in locations with high levels of data traffic, O2 will be able to boost coverage in these areas whilst also evaluating the technology for future deployment in urban areas.  Over 95 million[1] people travel through the Kings Cross St Pancras area every year and over 14 million[2] passed through Marble Arch area last year.

The pilot uses the additional 2.3GHz spectrum that O2 secured earlier this year in the spectrum auction. O2 was the only UK network to secure extra 2.3GHz capacity to boost its existing network


5G foundations

In addition to enhancing current network capacity, the pilot will lay the foundation for the next-generation of mobile connectivity– 5G.  Massive MIMO technology is expected to be able to help deliver the demand for increased data usage that is expected once 5G is rolled out.  Demand for data has continued to increase in recent years, with the average mobile user consuming 1.9 GB[3] a month last year.

O2 will evaluate the trials with a view to potentially deploying the technology elsewhere in London and beyond to enhance connectivity as the operator continues to modernise its network in cities across the UK.


Brendan O’Reilly, CTO, Telefonica UK said: “We recognise that customers’ need for mobile data in London and other urban areas continues to grow at a rapid pace. This is why we are working with Nokia to trial Massive MIMO and to explore the opportunities to provide the increased capacity and denser coverage for our customers, in the areas they need it most. 

Whether trialling 5G, or ensuring the remotest parts of rural Britain can connect to 4G, O2 is committed to building a truly Mobile Britain.”

Paul Kander, manager of Telefonica UK account at Nokia said: “ Nokia is proud to work closely with Telefonica UK (O2) to help cater for their customers’ needs for greater capacity and densification in key areas.  Nokia’s Massive MIMO technology in conjunction with Telefonica’s investment in new spectrum will considerably enhance and increase the capacity of Telefonica’s network and directly address customer demands, ensuring an ever-greater customer experience”

O2 invests over £2 million per day to maintain and improve its network so that it can deliver the best mobile experience for its customers.

Earlier this year, Ofcom confirmed that O2 had delivered against its commitment to provide 98% indoor 4G coverage and 90% geographical landmass mass coverage across the UK. This enhanced and expanded coverage helped O2 to scoop uSwitch’s 2018 award for Best Network Coverage, as voted by the public.


About O2

O2 is a mobile network operator and the principal commercial brand of Telefónica UK Limited, which is part of the global telecommunications group Telefónica S.A, headquartered in Spain and operating in Europe, and North, Central and South America.

O2 was awarded Best Network Coverage in 2018 by uSwitch and with over 32 million connections to the network, it runs 2G, 3G and 4G services across the UK, as well as operating its nationwide O2 Wifi service.

The company is the network of choice for mobile virtual network operators such as giffgaff, Sky Mobile and Lyca Mobile as well as managing a 50:50 joint venture with Tesco for Tesco Mobile.

O2 has around 6,700 employees and over 450 retail stores and sponsors England Ruby, The O2 and 19 O2 Academy music venues across the UK. Through a comprehensive sustainability strategy O2 is also creating work experience opportunities for 16-24 year olds via its GoThinkBig platform, enabling customers to reduce their impact on the environment by recycling their old devices through O2 Recycle and, in partnership with the NSPCC, helping parents to keep their children safe online.

O2 is the only mobile operator in the 2018 Social Mobility Employer Index and was named as one of the best places to work in the 2018 Glassdoor Employee’s Choice Award.


About Nokia

We create the technology to connect the world. Powered by the research and innovation of Nokia Bell Labs, we serve communications service providers, governments, large enterprises and consumers, with the industry's most complete, end-to-end portfolio of products, services and licensing.


We adhere to the highest ethical business standards as we create technology with social purpose, quality and integrity. Nokia is enabling the infrastructure for 5G and the Internet of Things to transform the human experience. www.nokia.com




[1] Kings Cross St Pancras interchange zone passenger data, TfL
[2] Multi-year station entry-and-exit figures (2017), TfL
[3] Communications Market Report (2018), Ofcom