Multi-pair Bonding & Reliability
Multi-pair copper bonding products deliver significantly more bandwidth to customers (10 to 100 Mbps) vs. 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 very high reliability (similar to fiber) to ensure the same customer experience. This is a very critical issue for some applications like mobile backhaul, VoIP & Video. For this reason, Aktino developed a multi-pair copper bonding solution using MIMO-on-DMT technology to address not only high bandwidth demand, but also reliability issues.
The Aktino copper bonding solution delivers significantly high reliability by utilizing the following features:
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Problem / Issue
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Feature Used to Address Issue
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Functionality
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Reliability
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MIMO-on-DMT >
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MIMO processing can be thought of 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.
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Major impulse noise event or lightning strike
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Fast Retrain
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When a major impulse event or lighting strike impacts all bonded pairs, the system fully recovers in less than 2 seconds. In mobile backhaul applications this prevents loss of connectivity that can cause a site to go down for many minutes.
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Adding pairs to bonded group
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Seamless Rate Adaptation
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System can add pairs seamlessly allowing data to be shifted to the newly added pair without disrupting the data stream.
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Impulse noise events up to 2 msec
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Enhanced Noise Immunity >
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An advanced micro interruption mitigation technique allows the bonded link to operate without a full or a fast retrain during impulse events up to 2 msec.
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Noise or cross talk that impacts bonded pairs in either the same or different binder groups
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Bit Swapping and Coding Across Pairs
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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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Adding pairs to bonded group
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Seamless Rate Adaptation
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System can add pairs seamlessly allowing data to be shifted to the newly added pair without disrupting the data stream.
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Impulse noise events up to 2 msec
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Enhanced Noise Immunity >
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An advanced micro interruption mitigation technique allows the bonded link to operate without a full or a fast retrain during impulse events up to 2 msec.
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Noise or cross talk that impacts bonded pairs in either the same or different binder groups
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Bit Swapping and Coding Across Pairs
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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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