Showing posts with label Vectoring. Show all posts
Showing posts with label Vectoring. Show all posts

Thursday, October 11, 2012

Broadband Forum Conducts VDSL2 G.vector Testing



The Broadband Forum and the University of New Hampshire InterOperability Laboratory (UNH-IOL) conducted the first interoperability testing of chipsets supporting the ITU-T’s new G.vector specifications.


Broadcom, Ikanos, Lantiq, Realtek and Triductor all participated in the plugfest, providing
chipset platforms to test with one another.


Telebyte also participated, providing testequipment to simulate the crosstalk of copper networks during the testing.

“This was the first event in a very important journey and we are looking forward to continued
progress as the innovative technology is implemented and scaled for deployment,” commented Kevin Foster, Head of BT’s UK Access Platform Evolution. “Interoperability has always been a key component of successful large-scale deployment of DSL, and we are looking to the Broadband Forum and UNH-IOL labs to lead these testing efforts to allow Operators to achieve smooth introduction of DSL innovations such as Vectoring.”

http://www.broadband-forum.org


Ikanos Announces its Velocity-3 Vectored VDSL Chipset


Ikanos announced its Velocity-3 Vectored VDSL chipset and software solution.

The company's "NodeScale" Vectoring technology identifies and cancels VDSL crosstalk on up to 384 copper lines in a bundle.  The technology eliminates crosstalk from all lines in the vectored group, independent of binder, cable or chassis, increasing rate, reach, robustness and reliability.

“With Velocity-3, we are delivering the broadband 'holy grail':  fiber speeds for a fraction of the cost of deploying fiber to individual homes,” according to Omid Tahernia, chief executive officer at Ikanos.  “Carriers benefit by super-charging their existing one billion copper line infrastructure, while satisfying consumers’ needs for ever-increasing bandwidth applications.”

http://www.nodescale.com


Tuesday, October 9, 2012

Alcatel-Lucent's "Zero Touch Vectoring" Boosts VDSL2 Business Model



Alcatel-Lucent introduced new signal processing software developed by Bell Labs that promises to shake up the business model for VDSL2.

The new ‘Zero Touch Vectoring’capability eliminates the need to upgrade every CPE in a copper node whenever the first customer opts for faster broadband access delivered over a VDSL2 vectored line.  Previously, a carrier choosing to deploy VDSL2 Vectoring was required to upgrade every modem on the network in order to properly handle the crosstalk elimination.

Alcatel-Lucent introduced the first commercial VDSL2 Vectoring solution in September 2011, delivering 100 Mbps over existing copper loop lengths of 400 meters.  VDSL2 vectoring uses digital signal processing to remove crosstalk between copper pairs in a bundle, similar to noise cancellation in headphones. From line cards at the central office or DSLAM, the system measures the crosstalk from all the lines in the bundle and then generates an anti-phase signal to cancel out the noise.  Alcatel-Lucent developed its own chipset and software.  The VDSL2 vectoring is delivered via  a 48-port Board Level Vectoring card, a 48-port System Level Vectoring card, and a Vector Processing card supporting up to 384 ports.

Alcatel-Lucent said it now has 6 commercial contracts for VDSL2 vectoring.  The first live network is with Telekom Austria, which is using the technology in a suburb of Vienna.


Dave Geary, head of Alcatel-Lucent’s Wireline activities, said: “Trials with leading service providers have shown that VDSL2 Vectoring can effectively deliver the kinds of speeds it promised, and we are now starting to engage in mass-market deployments. With our Zero-Touch Vectoring and other innovations we are eliminating the final barriers that service providers around the world have faced – enabling them to deliver higher bandwidths to more subscribers, now.”

Sunday, September 16, 2012

Huawei Updates its SingleFAN Access Platform for 10G PON, Copper Vectoring


Huawei announced its new generation multi-mode & dual-core MxU with support for PON/10G-PON multi-mode uplink and Vectoring downlinks over copper access at up to 100 Mbps.  Huawei's MxU is the key processing module in its SingleFAN solution, which is the company's unified platform for PON, P2P, DSL, coax, E1, and other network access infrastructure.

The upgraded MxU now leverages dual-core CPUs to improves processing speed and enable better system reliability, as timely protection switching will occur when a CPU subsystem is faulty.  Huawei's new MxU also features dual-BIOS technology, enabling automatic restoration should an error occur because of an upgrade failure or similar fault.  The MxU adopts an intelligent architecture that integrates path protection, remote monitoring, web-based management, VPN functions, and hardware support for Y.1731. This simplifies network performance monitoring and better caters to the needs of various service scenarios. The MxU also supports intelligent fault detection over PONs and real-time fault detection for voice services, shortening troubleshooting time.

http://www.huawei.com

Thursday, July 12, 2012

Swisscom Tests Huawei’s Vectoring and G.fast DSL at 400 Mbps over 200m

Huawei has delivered a Giga DSLAM prototype to Swisscom.

Since April 2012, Huawei and Swisscom have been testing Huawei’s Vectoring and G.fast solution in a demo set-up in Riggisberg, near Berne. The companies report that with G.fast, over 400 Mbps at a distance of 200 meters can be achieved.

Huawei’s Giga DSL system employs time division duplex (TDD) to achieve a total upstream and downstream rate of 1000 Mbps over a single twisted pair. It also reduces radiation interference and power consumption, providing a total upstream and downstream rate of 1 Gbps within 100 meters, and 500 Mbps-plus within 200 meters.
http://www.huawei.com

Sunday, January 8, 2012

Lantiq Samples System-Level Vectoring Chip

Lantiq announced first customer shipments of its VINAXTM IVE1000 System-Level Vectoring Engine chip.


The company said its new VINAX IVE1000 represents a major milestone for the deployment of vectoring in the field. The chip is an integrated ASSP solution suitable for volume deployment of system-level vectoring solutions supporting up to 384 VDSL2 lines.


The implementation supports full cancellation and partial cancellation of crosstalk in copper bundles. Specifically, Lantiq's VINAX IVE1000 uses advanced signal processing techniques to cancel Far-End Crosstalk (FEXT) between any of the VDSL2 lines in a copper bundle. This enables service providers to achieve 100 Mbps symmetrical and beyond, according to the company.
In addition, Lantiq said its technology enables up to 20% system power savings in a fully-vectored system (compared to non-vectoring) as a result of optimal balancing of transmission power.


The VINAX V3 enables “vectoring ready"? VDSL2 line cards (which support ADSL2/2+ through VDSL2 30MHz standards), requiring only a remote software upgrade when the VINAX IVE1000-based central vectoring card is added at the CO or in a local cabinet. Connected to a vectoring standard-compliant CPE device such as the Lantiq XWAY VRX200, this combination allows the implementation of a complete end-to-end vectoring solution. Lantiq’s XWAY VRX200 CPE device is “vectoring ready" today, as such only a simple software upgrade is necessary for full vectoring functionality.


Lantiq noted that is VINAX Vectoring System is compliant with and is capable of supporting all features defined in ITU G.993.2 (VDSL2), G.993.5 (G.vector) and ITU G.997 (G.ploam). The solution applies to all VDSL2 profiles and supports up to 384 VDSL2 ports by cascading multiple VINAX IVE1000 devices. This high level of scalability, coupled with the compelling features offered by the VINAX V3 chipset, results in a solution that is ideally suited to a wide range of applications such as MDU, MSAN and DSLAM.
http://www.lantiq.com



Thursday, September 2, 2010

AT&T Extends Uverse with Pair Bonding, Vectoring

AT&T is extending its U-verse reach with technologies including pair bonding, "G-vectoring" and micronodes, writes John Donovan, AT&T's Chief Technology Officer, in a company blog.


Pair bonding uses two copper wire pairs (instead of one) for each customer. An iNID device is installed outside the home to connect these wires and improve the signal.


G-vectoring predicts interference over the copper wire and helps mitigate crosstalk that can degrade the signal.

Micronodes bring fiber closer to the home, reducing the distance required for copper and enhancing the effectiveness of other technologies. Donovan says this strategy also helps with "spectrum expansion," which broadens the useful range of the communications channel to create even more capacity.
http://www.att.com