spacer 2Telebyte Gfast Testing Guide 320

gfast map June 2017

Dark blue: Firm commitments from incumbent: BT (10M), Belgacom, Australian NBN, Swisscom,  Austria, Bezeq Israel, Chunghwa Taiwan, Telus Canada, Telekom South Africa, SK Korea, (U.S.) AT&T, Century, Frontier, Windstream

Light blue: Smaller carriers" Germany, Norway, Finland, Japan

Green: Incumbent likely: Belgium, France, Germany, & Poland  Country by country details. 

Usain bolt Fastest at 100 meters"G.fast can reach 400 meters, and for distances under 250 meters it is faster than the proposed new 35 MHz VDSL2 profile (“MDSL”)." A senior engineer writes. He corrected my comment, "100 meter G.fast doesn't go far enough." He added, "For distances under 250 meters it is faster than the proposed new 35 MHz VDSL2 profile." The speeds past 100 meters drop very rapidly but are still perhaps 100 megabits down at 400 meters.

Sckipio claims lab tests of G.fast at speeds produced 500Mbps for 200 meters and 200Mbps at 400 meters, (below) Sckipio, like many in G.fast, counts both upstream and downstream. No one does that in fiber or cable making this confusing for many.  Subtracting upstream would reduce Sckipio claims by 1/4th to 1/2 

With BT interested in 400 meter deployments, the industry is responding. "Gigabit DSL" makes great headlines but requires coming within 50 meters of most homes, an expensive proposition.

Many carriers are looking for a choice between the 100-200 megabits of DSL vectoring and the 300-700+ megabits of the G.fast standard. That's MDSL or Midi-DSL, currently an area of much research and many claims by the manufacturers. Huawei calls it SuperVector;  Adtran calls it "frequency-division vectoring"; Alcatel's name is name is Vplus. Vectored VDSL2 was designed for 100 megabits down for 700-1000 meters, one heckuva result for 10 years ago. Telcos desired more speed as they realized that cable was going to 400 megabits and over a gigabit. (I've been predicting gigabit cable since 2005 but it wasn't practical until a few years ago.) In fear, the telcos supported G.fast for maximum performance. 

G.fast is becoming real, with BT announcing a 4,000 home trial beginning this summer. 

  

Sckipio Makes G.fast Go Twice as Far

Makes New FCC Regulations More Practical

February 4, 2015, Ramat Gan, Israel – Sckipio Technologies, the leader in G.fast, today announced it has successfully demonstrated G.fast at speeds greater than 500Mbps for 200 meters – double the official ITU targets for this new broadband standard. In laboratory trials with multiple broadband access service providers globally, Sckipio also achieved more than 200Mbps at 400 meters, again doubling the target distance for the given rate. These important test results will help widen the potential footprint for G.fast and help telecommunications companies better address new FCC regulations now being proposed in the U.S.

“G.fast was optimized to deliver up to 1Gbps in short distances,” said David Baum, CEO of Sckipio Technologies. “Yet, we tuned our technology to allow telcos to reach more customers with higher performance from farther away.”

The U.S. government recently redefined broadband access as 25Mbps or greater – downgrading most xDSL subscribers to non-broadband status. While cable companies have access to technologies such as DOCSIS to achieve greater than 25Mbps performance, telcos have lacked affordable alternatives to fiber to the home (FTTH) and xDSL. That’s why the International Telecommunications Union (ITU-T) created a new standard called G.fast, which was approved in December 2014.

The Sckipio improvement of G.fast performance over distances such as 400 meters will open up more potential uses for G.fast in rural environments. It also will help in very dense environments like large cities where as many as 30% of all residences lack alternatives to cable operators.

The initial test results are preliminary and based upon lab evaluations over real binders.  Sckipio expects additional performance improvements as the solution is further optimized.

About Sckipio

Sckipio is the leader in G.fast modems and is dedicated to delivering ultra-broadband using next-generation G.fast-based Fiber-to-the-distribution point (FTTdp) architectures. Sckipio offers a complete G.fast solution – chipsets bundled with software – for a variety of access and mobile backhaul applications based on the ITU G.fast G.9700 and G.9701 standards, to which Sckipio is a leading contributor. Founded by a veteran team of communications experts with deep experience in broadband access and home networking solutions, and backed by leading venture capitalists, Sckipio is well positioned to win the market for the next-generation of broadband access solutions. For more information about Sckipio, visit our website at www.sckipio.com.

Media Contact:

Rainier Communications

Karen Quatromoni

This email address is being protected from spambots. You need JavaScript enabled to view it.

Newsletter

Subscribe to our Newsletter

Latest
BT: G.fast performance "pretty much spot on"
DSM Could Increase G.fast Speeds 25-50+ Megabit
DT: No 35b VDSL before 2018, modems not available
AT&T G.fast confirmed (unofficially.)
Andrew Ferguson: DSLAMs can be different
Energia Selling Nokia G.fast in Japan
Calix Clobbered by Services Cost
Switzerland: We're going G.fast; Forget fiber home except in new builds 
Nokia takes XG-FAST to 8 gig in the lab at nbn 
Huawei jumping in to G.faster 
Paris G.fast Summit 2017 9 to 11 May will be a great show
100,000 G.fast modems sold by Technicolor - running VDSL Australia: 
700,000 "FTTdp homes." Should use G.fast but may go VDSL. 
Tens of millions G.fast lines predicted 
"Study" predicts $200/line G.fast chip price in 2022 !? 

Read more ...