Huawei delivers 'last mile' copper speeds of 1Gbps

Huawei's prototype opens the door to ultrafast broadband via multi-medium copper

Huawei has unveiled a world first innovation that boosts internet speeds over copper or HFC to up to 1Gbps.

The prototype opens the door to ultrafast broadband via multiple access technologies.

The G.fast over HFC multi-user access prototype is capable of providing superfast speeds of 1Gbps over HFC nextworks or multi-medium copper.

The technology is compatible with cable TV signals on existing coaxial networks, which serve as a crucial access medium for home networks.

It works by flexibly allocating unoccupied frequency bands (1 GHz maximally) for G.fast access.

The technology provides a 1Gbps downstream shared bandwidth to serve up to 32 users over coaxial cables at superfast broadband speeds.

As a cutting-edge access technology, G.fast is mainly applied to short-distance copper pairs to deliver Gigabit access.

The Chinese company has been conducting G.fast over Copper trials with a leading European operator, providing 1Gbps access via existing copper lines.

In addition, it has incorporated G.fast technology into its Fiber to the Door (FTTD) solution, which takes fiber to the door and then delivers ultrafast broadband access via existing access media (such as copper lines or coaxial cables).

The G.fast technology is seen as a solution to problems with FTTH deployments in the ‘last mile’ into a user’s home.

Huawei president, access network product line, You Yiyong, said the company had continuously invested in technological innovations that addressed the needs of operators, and solved their problems in network rollouts.

"The G.fast over Coax multi-user access prototype is a perfect combination of our latest G.fast technology and coaxial network innovations," he said.

"Huawei will promote G.fast standardization and commercialization to accelerate the build-out of ultrafast broadband networks.

G.fast technology has become increasingly popular since the release of the world's first G.fast prototype by Huawei released the first generation of G.fast in December 2011.

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Tags HuaweiG.fastYou Yiyongmult-medium copper1GbpshfcHuawei presidentaccess network product lineNBN

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8 Comments

Francis Young

1

Here is a good discussion of techniques for getting more out of copper pairs, including brief mention of sending power from the home back down the copper to power the fibre-to-copper equipment at the curb. But all of this depends on good quality copper, and bonding requires at least two copper pairs, which are now uncommon in Australia.

There are instances where these solutions will certainly work. But where the equipment and installation cost per premises is close to the cost of FTTP, it must be remembered that their operational costs can still make FTTP cheaper (over say 3-5 years) than VDSL. Anyway, here is the technical dirt:
http://www.jdsu.com/ProductLiterature/dsltech-wp-tfs-tm-ae.pdf

jwbam

2

And how is this better than DOCSIS 3?

jwbam

3

DOCSIS 3 can already deliver 1Gbps over 20 channels - just 160MHz.

The only thing holding it back is the Pay TV channels already on the cable using up most of the channels.

Nigel

4

So what was the condition of the existing copper lines the trial was run on? Copper diameter? Copper age? Number of lines in bundle? and of course the big one LENGTH?

IHope

5

No mention of upload speeds?
It is as if Huawei are engaged in fanboi marketing propaganda rather than the rigor of serious 'engineering' based discipline.

And the context is, speeds of "UP TO" therefore it sounds like spruiking. The implication is that the "sharing of 1Gbps downstream between 32 users" sounds like each user gets ~1000/32 speeds, not much faster than best case ADSL2+. If so what is the point of this other than to promote a inferior solution using obfuscation, to make it appear as good to the layperson, as FTTP.

Using the same definition, GPON FTTP infrastructure on the pole, as defined by NBNCo would be capable of 32 Gbps shared downstream bandwidth and 12.8 Gbps shared upstream bandwidth, although in fairness 4 of the interconnects are held as spares for operational redundancy, therefore only 28Gbps downstream would be provisioned to 28 users.

Additionally Fibre will have capacity to provide much faster speeds on the same infrastructure, whereas G.fast is scrapping the bottom of the copper speed barrel and "UP TO" is the same fuzzy words used to spruik ADSL speeds.

Huawei promoting 1Gbps SHARED access bandwidth is not the same as FTTP offering 1Gbps SINGLE access bandwidth. Nevertheless they will fool some of the people some of the time, and headlines will mislead every time.

It all feels a little like being sold reprocessed tripe dressed up to seem like crab meat wonton.

todd.hubers

6

Copper is indeed dying, but with fibre at least to the node, we can satisfy current demand, keep wholesale prices lower, and still gradually upgrade to FTTP where needed/wanted without the inflated labour costs. I love fibre, but it's not affordable starting with 93% as fast as possible. see NBNOptions.org

bluetie

7

Anyone claiming that FTTN can be gradually upgraded to FTTP 'without the inflated labour costs' sounds like somebody who's a refugee from the political class.

It will be much more expensive to install inferior FTTN and then subsequently have to remove it and pull fibre piecemeal to individual addresses.

DJ

8

While it will be more expensive in the long run, it won't be in the timespan they are looking at for installing the basic NBN. Some copper cables need replacing yesterday & so will be done in fibre, some might be fine for 20-50 years. These later upgrades can most likely be done by the regular full time NBN maintenance crews that get paid even if nothing is broken (in case it does), rather than all these contractors currently running arround everywhere, digging up asbestos pits & the like. They are also unlikly to do any upgrades piecemeal to individual addresses, but would replace everyone connected to that cable (the cable in the street contains multiple copper pairs for the whole street)

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