Winter 2015

FEATURE

Backhauling with fibre

Since the first mobile phones were introduced in 1981, mobile networks have evolved to the point that we can now be connected anywhere and get to see, experience, explore and express ourselves with just a click from the palm of our hand. From 2G, 3G, 4G and Long Term Evolution (LTE) 4G, the maximum capacity that must be supported by each mobile cell has progressively increased in response to an exponential rise in data consumption.

FEATURE

Stacking the odds in favour of PON

The Full Service Access Network (FSAN) group, a forum that aims to drive the development of gigabit passive optical network (GPON) technology, has laid the ground work for the new generation of equipment, called NGPON2, which promises not only increased bandwidth, but also a much higher level of flexibility for service providers.

FEATURE

Can ocean cables go green?

Far below the surface, fibre-optic cables criss-cross Earth’s ocean floors, blind to the conditions – and the risks – in the cold and dark surrounding them. To channel data across the world reliably, these expensive submarine networks are designed to minimise the number of parts that add to bill-of-material costs and could fail. In this austere culture, until recently, the idea of adding sensors to monitor what’s going on down there would have met with scorn.

FEATURE

The rise of gigabit broadband in Europe

Interest and demand for gigabit broadband is on the rise with more than a hundred known deployments worldwide. But while the spotlight has mostly shone on North America over the past year, there is growing activity in Europe too.

To answer the question of who deploys gigabit broadband and why, Broadbandtrends recently interviewed 88 broadband operators around the world about their plans for providing and deploying gigabit broadband services. Gigabit services were defined as at least 1Gb/s in one or both directions – download or upload.

Feature

CableLabs is spearheading efforts to develop a proposal that uses coherent optics to dramatically boost the capacity of hybrid fibre coaxial networks, reports Andy Extance

Feature

Systems vendors are using intelligent software to squeeze more performance from optical networks. Pauline Rigby reports on developments at OFC 2017