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Ericsson enables Liberty Global’s Access Network Expansion

Infrastructure News - Published on Wed, 10 Jul 2019

Image Source: ericsson.com
Ericsson has helped Liberty Global to become the world’s first multiple-system operator that can deliver high speed gigabit broadband and linear TV services to residential customers using Distributed Access Architecture and fiber-to-the-home over a wireless backhaul ‘Trunk’ link. It is the result of an innovative trial between the two companies, in which the wireless backhaul was delivered using Ericsson’s MINI-LINK radio technology.

The trial demonstrates how service providers can significantly reduce build costs and avoid civil engineering works by utilizing a wireless trunk link instead of laying a traditional fibre trunk underground. Using millimeter wave radio frequencies in the E-Band (70-80 GHz), an on-network location in central Newbury was connected to an off-network location in Greenham over a three-kilometer line-of-sight 10Gbps link using Ericsson MINI-LINK 6352 radios.

Liberty Global carried out the trial within their Virgin Media UK business. Virgin Media believes that build costs can be reduced by up to 90 percent as a result of the wireless trunk link.

With the cable industry showing rapid growth within the FTTH domain, there is increased pressure on service providers to deliver more connections in a minimum amount of time and at the lowest possible cost. In addition, the industry migration to digital access networks in the coming years will also require the ability to connect a much broader set of technology applications.

The Distributed Access Architecture decentralizes and virtualizes certain network functionalities to create a more software-defined network and bring digital fiber signals closer to premises. Combining DAA with a high availability and high capacity wireless is an innovation that has been trialed by Liberty Global and Ericsson.

The results from the trial have been very impressive with the trial homes receiving reliable 1Gbps download and 150Mbps upload speeds along with a full line-up of linear broadcast TV channels. The wireless trunk generated by the Ericsson MINI-LINK radio has been tested and delivered 99.5 percent availability in the most severe conditions over the past months in the UK withstanding high winds up to 80mph, 30mm rainfall and heavy snow. The solution also provides enough transmission capacity for years of growth.

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Posted By : TelecomGuru on Wed, 10 Jul 2019
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