Monday, February 25, 2008

Ikanos Enables Multi-mode VDSL2/ADSL2+ Residential Gateways

Ikanos Communications introduced a single-chip Integrated Front End (IFE) that enables a new class of residential gateway capable of VDLS2 performance while simultaneously meeting DSL Forum's stringent ADSL2+ and ADSL performance specifications (TR-100 and TR-067 respectively). This multi-mode gateway capability simplifies the equipment purchasing requirements for service providers who are currently delivering ADSL or ADSL2+ and planning a future upgrade to VDSL2. Stocking a single multi-mode VDSL2/ADSL2+ RG potentially reduces the carrier's CAPEX and recurring operating expenses by moving to a "deploy once" CPE strategy.


The new Ikanos FXS60IF1 single-chip Integrated Front End (IFE) integrates the xDSL line driver, while reducing the external components and power consumption compared to existing solutions in the market.


It can be used in conjunction with a residential gateway processor, such as the Ikanos Fusiv Vx180, for full a multi-mode triple play residential gateway. The new IFE device also employs Ikanos' physical layer technology, such as high levels of impulse noise protection, Rapid Rate Adaptation (RRA), on-chip quality of service (QoS) and wire-speed network processor performance. http://www.ikanos.com

  • In October 2007, Ikanos Communications introduced a Rapid Rate Adaptation (RRA) technology designed to minimize noise-induced service interruptions over DSL connections. Noise over a broadband line due to sudden power surges or other sources can potentially cause dropped connections and interruptions of service. For IPTV viewers, even a momentary drop in the connection leads to retraining of the broadband line and a subsequent re-establishment of the IP connection -- a process than can take half of a minute. In the mean time, the TV program that is being watched and any VoIP sessions underway, are suddenly dropped. RRA minimizes such link drops by rapidly and dynamically adapting data rates to accommodate the additional noise without dropping the connection, thus improving service availability and the user experience.

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