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BT uses G.fast to deliver cloud radio access network cellular service over copper

BT has successfully used G.fast technology to deliver a 'Cloud Radio Access Network' (C-RAN) cellular network service over copper. C-RAN is a new network architecture used to connect cellular base-stations to mobile operators' core networks. Working with US-based semiconductor manufacturer Cavium, researchers at BT's Adastral Park Labs in Ipswich demonstrated that they can use G.fast technology to deliver cellular data over copper lines at speeds of 150-200 Mbps.

This removes the need for mobile operators to invest in expensive, high-capacity backhaul links over dedicated fibre connections. As well as investigating the role that G.fast may play in helping operators to roll out their 4G/5G networks, BT's local access network unit Openreach is also trialling G.fast as an access technology in Huntingdon and Gosforth, alongside a further BT technical trial in Swansea.

The new technical trial in Swansea focuses on how G.fast can be used to serve multiple dwelling units, such as apartment blocks and business centres. Around 100 homes and businesses in the Swansea SA1 Waterfront and Maritime Quarter will benefit from the free technical trial which will last for around six months.



Source: http://www.telecompaper.com/news/bt-uses-gfast-to-deliver-c-ran-cellular-service-over-copper--1127133

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