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| Copper Bonding | Fiber-Like Reliability | Asymmetric Bandwidth | Symmetric VDSL2 | Enhanced Noise Immunity

Fiber-Like Reliability

Multi-pair Bonding and Reliability
Multi-pair copper bonding products deliver significantly more bandwidth to customers (10 to 100 Mbps) versus legacy single pair technologies. Until these high performance multi-pair bonding solutions were introduced, higher bandwidth services were traditionally offered on fiber only.

A major challenge for copper bonding technologies and products is to deliver high reliability (similar to fiber) to ensure the same customer experience. This is a critical issue for some applications like mobile backhaul, VoIP and video. The Aktino product line offers a multi-pair copper bonding solution using MIMO-on-DMT technology to address high bandwidth demand and reliability.

The Aktino copper bonding solution delivers significantly high reliability by utilizing the following features:

Issue

Feature

Functionality

Reliability

MIMO processing can be seen as a set of adaptive filters that dynamically mitigate crosstalk within the pairs of a bonded copper group at the physical layer. DMT capability ensures broad spectral compatibility with widely deployed DSL services like ADSL and VDSL and ensures use of a significant portion of frequency spectrum. Combined, MIMO and DMT ensure fiber-like reliability.

Major impulse noise event or lightning strike

Fast Retrain

When a major impulse event or lighting strike impacts all bonded pairs, the system fully recovers in less than two seconds. In mobile backhaul applications, this prevents loss of connectivity that can cause a site to go down for several minutes.

Adding  pairs to bonded group

Seamless Rate Adaptation

The system can add pairs seamlessly, which allows data to be shifted to the newly added pair without disrupting the data stream.

Impulse noise events up to 2 msec

An advanced micro interruption mitigation technique allows the bonded link to operate without a full or fast retrain during impulse events up to 2 msec.

Noise or cross talk that impacts bonded pairs in either the same or different binder groups

Bit Swapping and Coding Across Pairs

As Signal to Noise Ratio (SNR) changes over time, bit-swapping and coding across pairs are used to seamlessly shift capacity from one pair to another within the group of bonded pairs. This provides superior noise protection and reliability whether the bonded pairs are in the same binder or not.

 


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