Author Archives: Brendan O'Reilly

5G: Reimagining Live Sports

Brendan O’Reilly, CTO, O2 There is something quintessentially British about watching live sport. Whether it’s cheering on our beloved football team from the stands, watching England at Twickenham or supporting Andy Murray in Wimbledon, us Brits cannot get enough. Sport is an occasion capable of bringing us together like nothing else. In fact, data from … more »

Building a brighter future with 5G

Brendan O’Reilly, CTO, O2 The COVID-19 pandemic has put extraordinary pressure on almost every sector across Britain. The manufacturing industry has suffered particularly, with many manufacturers still operating at between 25% and 50% of normal levels. As the industry starts to get back on its feet, it is time to focus our attention on how … more »

Keeping Britain mobile during lockdown

by Brendan O’Reilly, CTO, O2 Mobile connectivity has been a key pillar of the UK economy for decades, but in recent weeks we’ve seen its value more starkly than ever as we all stay at home to beat coronavirus. Our new normal involves remote working en masse, socialising on apps like House Party and Zoom, … more »

Staying connected in uncertain times

by Brendan O’Reilly, CTO, O2 We are living through an extraordinary period, one that provides great uncertainty amongst all walks of life. The situation is incredibly fluid and changing every day as we follow the government guidelines and adhere to their advice. I wanted to explain to you exactly what we’re seeing on the O2 … more »

O2 customers are happiest indoors

The interest and excitement around new smartphone launches in the last few months demonstrates again the appetite for mobile connectivity in the UK. This year four in five adults in Britain will own a smartphone as they replace computers and laptops as the go-to hub for their personal and professional lives. In the last year alone … more »

A Year in the Life of the O2 Network

by Brendan O’Reilly, Chief Technology Officer at O2 This weekend I took my little boys to the Winter Wonderland in Hyde Park, along with most of London it seemed! As I watched all the excited parents taking pictures of their children having fun, I was happy  to see one of our O2 COWs (Cell on … more »

O2's 4G network: getting bigger and better

by Brendan O’Reilly, Chief Technology Officer at Telefónica UK 655 days ago I stood excitedly next to a hospital bed waiting patiently for the arrival of my second son. At pretty much the same time, the rest of the O2 Network teams were stood, equally as nervously,  in our Network Management Centre awaiting news that … more »