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UK Spectrum Policy Forum – Sami Susiaho, BSkyB - Current and future spectrum needs for Wi-Fi

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UK Spectrum Policy Forum

Cluster 1 Meeting (Short range devices and Wi-Fi) – 30 September 2014

Sami Susiaho, Head of Edge Technologies, BSkyB
Current and future spectrum needs for Wi-Fi

More information at: http://www.techuk.org/about/uk-spectrum-policy-forum

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Published in: Technology
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UK Spectrum Policy Forum – Sami Susiaho, BSkyB - Current and future spectrum needs for Wi-Fi

  1. 1. Current and future spectrum needs for WiFi Sami Susiaho Head of Edge Technologies The Cloud networks - a BSkyB company Storm Surfers
  2. 2. The Cloud networks is the Wi-Fi arm of British Sky Broadcasting • 100 people with sole focus in Wi-Fi • Headquarters in the UK, presence in a dozen European countries • 21,000 installed venues in the UK • 8 million people pass through a Cloud hotspot every day • 60 million sessions a month
  3. 3. 3 Wi-Fi in high streets has very different needs from home or corporate environments
  4. 4. 4 Evolution of our Wi-Fi network proposition Dots on a map Offload Service providing
  5. 5. 5
  6. 6. 6
  7. 7. Spectrum scarcity • Using two licence free frequencies on the 2.4 GHz and 5 GHz band effectively becomes a challenge. • Wider and wider bands, false triggers for the radar avoidance mechanisms, retries for sending packets. • While the licence free spectrum is very efficiently used compared to licenced, it doesn’t mean it can be used efficiently.
  8. 8. Wireless usage tests at Victoria station, September 2014 Sky, Ofcom and 7Signal collaboration
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  10. 10. 10
  11. 11. 11
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  14. 14. 14 UNII- 1 UNII- 2 NA UNII-2 extended UNII-3 Lightlicence 5.15 5.25 5.35 5.47 5.725 5.85 Licence free 5 GHz frequency
  15. 15. 15 UNII band usage in Wi-Fi started to grow in 2013 Most of the sessions are on 5 GHz 4951 2.4 GHz 35 65 2.4 GHz 5 GHz 2/3 of the data is delivered via 5 GHz
  16. 16. 16 Future in Wi-Fi Carrier grade Wi-Fi definition Passpoint roll-out Multiband Multi-User High efficiency Wi-Fi as extension to cellular 201 4 201 5 201 6 201 7 Wi-Fi is becoming an extension to cellular networks. Starting with defining the Carrier Grade Wi-Fi term, the development of Wi-Fi standard will bring the needed capabilities when considering Wi-Fi as an extension to Cellular networks
  17. 17. 17 802.11u network discovery and selection WPA2 enterprise strong authentication and security Roaming accounting, billing and settlement Something new, something old, something borrowed
  18. 18. 18 When you go to France, your device connects to the French cellular network automatically. You didn’t have to do anything. That’s what Passpoint will do for Wi-Fi
  19. 19. 19 ABC – Always Best Connected • Users want to be ‘always best connected’. The operators don’t want devices to connect to a “dead hotspot” any more than the users • To ensure the network provides a good experience, the ability to connect to the network, has to be gated. This is called “admission control” in the WFA workgroups and standards • The trick, commercially, is to enable the capacity to be used as close to 100% as possible, without ever going over
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