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Content archived on 2024-06-16

New filter design based on mathematical structures for very high data rate digital subscriber lines

Objective

Worldwide, the demand for faster and more complex communications systems will continue to drive the need for faster datatransmission technologies. Significant advances have been made over the past 5-6 years in the subscriber loop during whichtime the data rates typically available to the general public have increased from 33000 bits per second from a traditionalanalogue modem to several million bits per second from an Asymmetric Digital Subscriber Line (ADSL) modem. Thisdramatic increase is continuing with the latest Digital Subscriber Line (DSL) technologies which are expecting to offer up to50 million bits per second over the next couple of years. One of the key factors facilitating this progress is the performanceof filters which give """"clarity"""" to the signals as they are being both transmitted and received. Typically, the higher thefrequency of transmission, the more complex the filters are, which clearly conflicts with the need to reduce system costs.This proposal will demonstrate that that fractals and other geometrical structures can be used to achieve the filter function infuture generations of VDSL (Very High Data Rate Digital Subscriber Line) and subsequent high speed data transmissiontechnologies offering advantages in flexibility, performance and cost. The target devices will include integratedFilter/Hybrid Modules & Splitter Filters. The novel devices based on fractals and other geometrical structures, will reducethe components complexity as well as manufacturing costs. The new hybrid modules will improve the total performance ofthe VDSL leading to an effective increase of communication quality by up to an order of magnitude. Success in theproposed work will enable a dramatic step forward in the compactness, cost and reliability of many electronic products. Theresultant IPR will be European owned and will give the participants a significant commercial advantage over worldcompetitors. The IPR will also be will also be licensed for use by others."

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Topic(s)

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Funding Scheme

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Coordinator

ADVANCED POWER COMPONENTS
EU contribution
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Address
47 RIVERSIDE, MEDWAY CITY ESTATE
ROCHESTER, KENT
United Kingdom

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Total cost

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Participants (4)

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